Chevrolet · 2001-2007

Silverado HD — GMT800 (2001–2007)

silverado hd

389 option rows 389 RPO codes 7 model years

100% Factory-verified

✓ Factory-verified · 389
● Confirmed · 0
◑ Single-source · 0
⚠ Disputed · 0

Applicable options

Documented RPO codes

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Model year

Show internal codes (64)

Silverado HD — GMT800 (2001–2007) RPO codes
Code	Option	Years	Notes & factory source	Confidence
Engines
L18	Engine, gasoline, 8 cylinder, 8.1L, multiport fuel injection	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.259. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
L31	Engine, 5.7L V8 (Vortec 5700), CPI	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
LB7	Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbocharged, high output, Duramax	2001–2004	the 2001–2002 lists print the size as 6.6 without the L GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.259.	Factory-verified
LBZ	Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbo-high, high output, Duramax	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
LLY	Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbo-high, Duramax	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
LQ4	Engine, 6.0L V8 (Vortec 6000), iron block	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.236. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
Transmissions
M74	Transmission, 5 speed automatic, Allison LCT 1000, 3.10 first gear, 1.00 fourth gear, 0.71 fifth gear, overdrive, converter clutch	2001–2005	GM’s 2002 service list does not print it (the 2002 kit list does); GM prints the converter clutch as Conversion Clutch or CONV Clutch; years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
M96	Transmission, 5-speed manual, Tremec 109 mm, 5.81 first gear	2003, 2005–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
ML6	Transmission, 6 speed manual, ZF 105 mm, 5.79 first gear, 0.72 sixth gear, overdrive	2001–2007	GMT Central words ML6 as a New Venture Gear 120 mm manual (another reading of the code); the GM lists of all seven years give the ZF GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.260. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
MT1	Transmission, 4-speed automatic, heavy-duty, Hydra-Matic 4L80-E	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.217. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
MW3	Transmission, 5-speed manual, New Venture Gear 109 mm, 5.61 first gear	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
MW7	Transmission, 6 speed automatic, Allison LCT 1000, 3.10 first gear, 0.71 fifth gear, 0.62 sixth gear, overdrive, converter clutch	2006, 2007	GM prints the converter clutch as Conv Clutch GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NP1	Transfer case, electric shift, 2-speed	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.172.	Factory-verified
NP2	Transfer case, manual shift, 2-speed	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
NP8	Transfer case, active (Autotrac), 2-speed, push-button control	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
NR4	Transfer case, 4WD, open differential, 2-speed	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
Axles
G80	Rear axle, locking differential	2001–2007	the 2001–2007 service lists word it as a Positraction limited-slip axle; the 2003 and 2005 order guides word it as a heavy-duty locking rear differential, as the 1999–2000 lists and the Silverado GMT800 doc do GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
G86	Rear axle, limited-slip differential	2002–2005	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
GT4	Rear axle ratio 3.73	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.194.	Factory-verified
GT5	Rear axle ratio 4.10	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
GTY	Rear axle, wide track	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
YD7	Axle (with dual rear wheels R05) for GVW plate scheduling	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
Packages & Trims
NZZ	Skid plate package (off-road)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.202. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.194.	Factory-verified
U42	Rear seat entertainment package	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
V10	Cold climate package	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.194.	Factory-verified
VYU	Snow plow prep package	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.194.	Factory-verified
WT1	Exterior appearance package 1	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YE9	Comfort and decor level 3 (uplevel decor)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
YF2	Ambulance upfitter package	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
Z85	Handling/trailering (increased capacity) suspension package	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
ZQ1	Smooth ride chassis package	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
ZW7	Premium smooth ride chassis package	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
ZX3	Selectable ride control (manual select damping) suspension package	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
Equipment
5B5	Power windows and mirrors (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.224. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
5G4	Provisions for cab roof-mounted lamp (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.226. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
5M5	Transmission equipment, manual (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
5T5	Seat override (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
5V1	Spare wheel carrier without tire (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.226. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
5X7	Provisions for body-mounted warning lamp (SEO)	2001, 2002, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
5X9	Provisions, wrecker preparation (SEO)	2001–2003	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.267.	Factory-verified
5Y0	Wiring provisions for body-builder emergency lamp (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
6C7	Dome / reading lamps, passenger (roof console with reading lamps)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.224. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
6E2	Single-key lock cylinders, coded DF81 (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
6E8	Single-key lock cylinders, coded NU97 (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
7T6	Fuel line take-off fitting (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
7Y9	Battery, single 770 CCA (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.235. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
7Z1	Horn, high note (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.235. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8A7	Alternator, 130 amp (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
8B0	Batteries, 770 CCA and 600 CCA (dual) (SEO)	2001, 2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.235. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8E8	Bumper, front, painted black (SEO)	2001–2003	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.227.	Factory-verified
8E9	Bumper, front, painted white (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.227. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8F6	Exterior ornamentation, uplevel, shipped loose (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
8G9	Mirrors, outside, wide-loop, stainless steel (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.285. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8S3	Back-up alarm, 97 dB (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.297. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8S8	Wiring provisions, odometer security (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
8T7	Front axle half-shaft protective boot/cover (4WD) (SEO)	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
8X5	Alternators, dual 105 amp (SEO)	2001–2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.297. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
8Y8	Batteries, dual 600 CCA (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
8Y9	Batteries, dual 770 CCA (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
9F8	Mirrors, outside, wide load, large (SEO)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.	Factory-verified
9L4	Power supply, 12-volt (SEO)	2001, 2002, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
9N8	Mirrors, auxiliary outside spot, 6 in convex, stainless steel (SEO)	2001, 2003, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.226. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.	Factory-verified
A04	Windshield, tinted, without upper shadeband	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
A28	Window, rear, sliding	2005–2007	GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.187.	Factory-verified
A31	Windows, power	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
A95	Seats, front buckets, high back, reclining	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.185.	Factory-verified
AC6	Glass, deep tint, rear side doors	2003	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
AC7	Fuel tank fill pipe vent, unrestricted	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
AE7	Seats, front 40/20/40 split bench	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.192. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
AG1	Seat adjuster, power, driver (6-way)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.192. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
AG2	Seat adjuster, power, passenger (6-way)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.192. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
AJ1	Glass, deep tint (all windows except windshield and front doors)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
AM7	Seat, rear, folding	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
AN3	Seats, front, full-feature individual seats	2001–2007	2001–2007 lists word it as individual (non-bucket) seats GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
ANJ	Glass, tinted, non-deep (export, E-marked)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
AU0	Keyless entry, remote	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.194.	Factory-verified
AU3	Door locks, power	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
AU8	Remote function actuation, specific frequency	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
AX4	Seats and restraints, European conversion	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B30	Floor covering, carpet	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
B32	Floor mats, front, auxiliary	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B33	Floor mats, rear, auxiliary	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B34	Floor mats, front, carpeted insert	2003, 2004	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
B35	Floor mats, rear, carpeted insert	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B37	Floor mats, front and rear (intermediate), auxiliary	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B39	Floor covering, carpeted load floor / cargo mat	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
B71	Wheel opening flares	2001–2007	the 2001 list words it as wheel opening flares; the 2003–2007 lists as molding, wheel opening, colored; years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
B82	Exterior emblem, delete	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
B85	Moldings, bodyside, bright	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
B96	Moldings, wheel opening	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
BD2	Exterior ornamentation, delete	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
BG9	Floor covering, rubber	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.187. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.161.	Factory-verified
BVE	Running boards / assist steps, chrome tubular	2001–2005	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.211. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.189.	Factory-verified
BVF	Running boards, color-keyed	2001–2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
BVS	Running boards / assist steps, color (black)	2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.211. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.189.	Factory-verified
BW1	Exterior ornamentation, rear end	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
C42	Heater, outside air, deluxe	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.172.	Factory-verified
C49	Defogger, rear window, electric	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
C4M	GVW rating, 9,900 lb	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.193.	Factory-verified
C5F	GVW rating, 8,500 lb	2001–2005	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
C60	Air conditioning, front, manual controls	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
C68	Air conditioning, front, automatic electronic climate control	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
C6P	GVW rating, 8,600 lb	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.236.	Factory-verified
C6W	GVW rating, 9,200 lb	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
C6Y	GVW rating, 9,600 lb	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
C7L	GVW rating, 12,000 lb	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
C7W	GVW rating, 11,400 lb	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.193.	Factory-verified
C85	Fog lamps, suppressed when headlamps are on (export)	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
C86	Manual transmission shift indicator lamp (tell-tale) suppression	2001, 2003, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
CF5	Sunroof, power, sliding glass	2001–2003, 2005–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.187.	Factory-verified
CJ2	Air conditioning, dual-zone automatic	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
CJ3	Air conditioning, dual-zone manual	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.161.	Factory-verified
D07	Console, floor, front compartment (custom)	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
D44	Mirrors, outside, base (color/black)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.159.	Factory-verified
D48	Mirrors, outside, power remote control	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
D55	Console, floor, seat separator	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
DE2	Mirrors, outside, manual, folding	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
DF2	Mirrors, outside, wide load (camper style), folding, stainless steel	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.175.	Factory-verified
DF5	Mirror, inside rearview, auto-dimming with compass and outside temperature display	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
DG5	Mirrors, outside, wide load, large (West Coast style)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
DH2	Sunshades with illuminated vanity mirrors (dual sunshade)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
DK2	Mirrors, outside, power, heated, color	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
DK6	Console, overhead (bucket seat, long)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
DK7	Console, overhead (custom)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
DK8	Console, overhead (deluxe)	2001, 2005–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.183.	Factory-verified
DL3	Mirrors, outside, power, heated, power folding, turn signal, driver auto-dimming	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
DL8	Mirrors, outside, power, heated	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
DNH	Storage box, rear underseat	2003, 2005–2007	the 2006–2007 lists misprint Rear as Right; years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.208. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.185.	Factory-verified
DP1	Mirror provisions, convex glass	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.	Factory-verified
DPF	Mirrors, outside, wide load (camper style), power, heated	2003–2005	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.175.	Factory-verified
DPN	Mirrors, outside, wide load, vertical glass, manual extending and folding, heated, power, turn signal	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
DR2	Mirrors, outside, power, heated, auto-dimming, manual folding	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
DT4	Ashtray and cigarette lighter	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
E37	Pickup box, composite inner, dark color	2001–2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
E63	Pickup box, Fleetside (Wideside)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
E95	Tonneau cover	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.209.	Factory-verified
EN6	Tonneau cover, hard, folding	2003, 2004	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.236.	Factory-verified
ESC	Individual front seats with floor console provisions	2003, 2004	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
F60	Springs, front, heavy-duty (increased torsion bar rate)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
FF4	Torsion bar adjuster, left (C)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FF5	Torsion bar adjuster, right (D)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FF6	Torsion bar adjuster, left (E)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FF7	Torsion bar adjuster, right (F)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FF8	Torsion bar adjuster, left (G)	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FF9	Torsion bar adjuster, right (H)	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FK2	Torsion bar adjuster, left (A)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FK3	Torsion bar adjuster, right (B)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FNF	Power take-off (PTO) provisions, front	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FT2	Torsion bar adjuster, left (FT2)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FT3	Torsion bar adjuster, right (FT3)	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FW1	Ride and handling, manual electric control	2001–2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
GEC	GVW rating, 9,800 lb	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
HVY	Identification, 2 in body raise (HD model)	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
J81	Fog lamp / indicator switch, export	2001–2003	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JC3	Brakes, vacuum power, 4-wheel disc, 6,400 lb	2003–2005	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JC5	Brakes, vacuum power, 4-wheel disc, 7,200 lb	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JE1	Brake system, Europe	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JH5	Brakes, hydraulic (hydroboost) power, 4-wheel disc, 7,200 lb	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JH6	Brakes, hydraulic power, 4-wheel disc, 9,900 lb	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
JH7	Brakes, hydraulic power, 4-wheel disc, 12,000–12,300 lb	2001, 2003–2007	the 2001 list gives 12,000 lb; the 2003–2007 lists give 12,300 lb GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
JL4	Active brake control	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
JVA	Antilock brakes, delete	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
K05	Engine block heater	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
K18	Air injection reactor (AIR) pump, electric	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
K34	Cruise control	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.	Factory-verified
K47	Air cleaner, high-capacity	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
K53	Fuel sender, robust fuel system (international)	2001–2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
K65	Alternators, dual 105 amp	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
K68	Alternator, 105 amp	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.215. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
KC4	Engine oil cooler, heavy-duty	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.215. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
KC5	Accessory electrical receptacle	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
KG3	Alternator, 145 amp	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
KG8	Alternator, 130 amp	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
KL5	Engine modification, natural gas (conversion-ready engine)	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
KL6	Provisions, natural gas	2003–2005	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
KL7	Conversion, propane (LPG)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
KL8	Conversion, natural gas (CNG)	2001–2005	the 2001 list says propane but marks it CNG; KL7 is the propane conversion; years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
KNP	Transmission oil cooler, heavy-duty (auxiliary)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
KUP	Throttle control, electronic	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
M1F	Power take-off (PTO) provisions, rear	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
MTF	Provisions, fire extinguisher mounting	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
N05	Fuel filler cap, locking	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
N88	Wheels, 17 x 7.5 aluminum, premium	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
NP5	Steering wheel, leather-wrapped	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
NP7	Steering column, EEC approved	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
NPL	Nameplate, delete	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
NQZ	Fuel tank, auxiliary, rear-mounted, 18 gallon, delete	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NW7	Traction control	2001–2007	2003–2007 lists: powertrain management only GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
NYS	Four-wheel steering (Quadrasteer)	2002–2005	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
P03	Wheel covers / hub caps, bright	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
P06	Wheel trim rings with bright hub caps	2001–2007	the 2001 list words it as bright rally trim rings with bright hub caps, the 2003–2007 lists as wheel trim discs; years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.163.	Factory-verified
PPB	Pickup box extender	2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.236. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.184.	Factory-verified
PTO	Engine controls for power take-off (PTO)	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
PUB	Pickup box rail caps / protectors	2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.236. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
PY0	Wheels, 16 x 6.5 aluminum	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
PY2	Wheels, 16 x 6.5 chrome appearance	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
QBN	Tires, all: LT245/75R16C, on/off-road, blackwall	2001–2003	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.	Factory-verified
QBX	Tires, all: LT245/75R16C, on/off-road, white outline lettered	2001–2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62.	Factory-verified
QC1	Wheels, 16 x 7 steel	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.159.	Factory-verified
QC3	Wheels, 16 x 7 aluminum, special	2001–2003	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
QC4	Wheels, 16 x 7 aluminum, custom	2003, 2004	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
QER	Tires, all: LT265/75R16E, on/off-road, blackwall	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.159.	Factory-verified
QIW	Tires, all: LT245/75R16E 120Q, on/off-road, blackwall	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
QIX	Tires, all: LT265/75R16C 120Q, on/off-road, blackwall	2001, 2003	the 2003 list prints LT245/75R16C (265 is the reading in the corpus majority); the Silverado GMT800 doc words it as LT265/75R16C or LT245/75R16C GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
QIZ	Tires, all: LT245/75R16E 120Q, all-season, blackwall	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
QLP	Tires, all: LT245/75R16E 120/116S, all-season, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
R4W	Tire brand, all Michelin	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
R4Y	Tire brand, all Goodyear	2001, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
R5C	Tire brand, all Bridgestone	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
SAF	Spare tire lock	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
SRW	Chassis, single rear wheel ride and handling	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
T2J	Interior ornamentation, export requirements	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
T62	Daytime running lamps, delete	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
T65	Daytime running lamps, export (European)	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
T74	Headlamp control, automatic with delay	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
T78	Headlamp control (automatic), delete	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
T79	Fog lamp, rear	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
T84	Headlamps, right-hand rule of road, E-marked (export)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
T89	Tail and stop lamps, export	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
T96	Fog lamps, front	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
T9H	Provisions, front fog lamps	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
TP2	Battery, auxiliary (dual battery provisions)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
TQ3	Batteries, dual 770 CCA	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.274. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
TR2	Turn signal lamps, side repeater / enlarged (export)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
TR3	Grille, body color with chrome emblem / chrome surround	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.193. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
TR6	Headlamp leveling, manual	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
TRW	Provisions for roof-mounted (emergency) lamps	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63.	Factory-verified
TS9	High-mounted stop lamp, delete	2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.242.	Factory-verified
U01	Roof marker lamps (five)	2001, 2003–2007	the 2001 list prints it with a letter O (UO1) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.175.	Factory-verified
U19	Speedometer, kilometers and miles, kilometer odometer	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43.	Factory-verified
U1Z	Multiple CD player (changer), passenger compartment	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43.	Factory-verified
U2J	XM Satellite Radio (S-band), not installed	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
U2K	XM Satellite Radio (S-band digital audio)	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
U2L	Digital audio system, L-band	2003	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
U34	Temperature display, Celsius	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
U68	Driver information center (trip computer)	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
UB0	Radio, AM/FM stereo, CD, auto tone control, RDS, clock	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UB1	Radio, AM/FM stereo, cassette and CD, auto tone control, RDS, clock	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.210.	Factory-verified
UB2	Radio, AM/FM stereo, cassette and multiple-CD changer, auto tone control, clock	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UB8	Horn, high note	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UC2	Speedometer, kilometers and miles, kilometer odometer, positive bias (European)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UC6	Radio, AM/FM stereo, 6-disc CD changer, RDS, auto tone control, clock	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
UD4	Vehicle speed alarm, 120 km/h (overspeed warning)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UD7	Rear parking assist	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
UE1	OnStar communication system (GPS)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
UG1	Universal garage door opener (HomeLink)	2001–2005	2002 is in the 2002 kit list and 2005 in the 2500HD order guide only; the 2005–2007 service lists print it only in their light-duty half GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.187.	Factory-verified
UJ6	Low tire pressure indicator	2005–2007	GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UK3	Steering wheel radio (accessory) controls	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.166.	Factory-verified
UK6	Rear seat radio controls with earphone jacks	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
UL0	Radio, AM/FM stereo with cassette (European)	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
UL1	Radio, AM/FM stereo, seek/scan, clock (European frequencies)	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UL4	Radio frequencies, South American	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UL5	Radio, delete	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UL8	Radio frequencies, Saudi Arabian	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UL9	Radio, AM/FM stereo, cassette and CD, auto tone control, clock, Bose	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UM6	Radio, AM/FM stereo, seek/scan, auto-reverse cassette, clock	2001, 2002	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.63. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42.	Factory-verified
UM7	Radio, AM/FM stereo, seek/scan, clock (base)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.42. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
UN0	Radio, AM/FM stereo, seek/scan, CD, auto tone control, clock	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
UP0	Radio, AM/FM stereo, seek/scan, cassette and CD, auto tone control, clock	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
UQ3	Speaker system, performance (enhanced audio)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
UQ5	Speaker system, base (four speakers)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
UQ7	Speaker system, premium, Bose	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43.	Factory-verified
UQ9	Speaker system, delete	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
UW3	Radio, AM/FM stereo with Radio Data System (RDS), cassette	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43.	Factory-verified
UY2	Wiring provisions, camper and fifth-wheel trailer	2001–2007	the 2005 list’s light-duty half gives UY2 a second wording (power outlets), which the Silverado GMT800 doc uses; the 2003 and 2005 order guides of this doc read camper and fifth-wheel trailer wiring GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
UY7	Wiring harness, trailer, heavy-duty	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.43.	Factory-verified
V22	Grille, chrome	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
V43	Bumper, rear step, painted	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
V76	Tow hooks, front	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
V92	Trailer provisions	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VB3	Bumper, rear step, chrome with impact strip	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.167.	Factory-verified
VB5	Bumper, front, color	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VF7	Bumper, rear step, delete	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.175.	Factory-verified
VFF	Video format, region 1 NTSC	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VFJ	Video format, region 2 PAL	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VFM	Video format, region 4 NTSC	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VFP	Video format, region 5 PAL	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VG3	Bumper, front, chrome with impact strip	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.162.	Factory-verified
VK3	Front license plate mounting package	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VP6	Noise control	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VR4	Trailer hitch, weight-distributing platform	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VR7	Tow hook, second, rear (recovery)	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VSP	Pickup box, dual rear wheels	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XBN	Tire, front: LT245/75R16C, on/off-road, blackwall	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XBX	Tire, front: LT245/75R16C, on/off-road, white outline lettered	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XEC	Tire, front: LT215/85R16E, highway, blackwall	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.247. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
XEF	Tire, front: LT215/85R16E, on/off-road, blackwall	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
XER	Tire, front: LT265/75R16E, on/off-road, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XGK	Tire, front: LT245/75R16E 120Q, on/off-road, blackwall	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XGL	Tire, front: LT265/75R16C, on/off-road, blackwall	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XHH	Tire, front: LT245/75R16E 120Q, all-season, blackwall	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XLP	Tire, front: LT245/75R16E 120/116S, all-season, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
XYK	Tire, front: LT215/85R16D, highway, blackwall	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
XYL	Tire, front: LT215/85R16D, on/off-road, blackwall	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
YB3	Clutch driven plate, delete	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
YBN	Tire, rear: LT245/75R16C, on/off-road, blackwall	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YBX	Tire, rear: LT245/75R16C, on/off-road, white outline lettered	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YD6	Spring, rear, base equipment	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YEC	Tire, rear: LT215/85R16E, highway, blackwall	2001, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YEF	Tire, rear: LT215/85R16E, on/off-road, blackwall	2001, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YER	Tire, rear: LT265/75R16E, on/off-road, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YGK	Tire, rear: LT245/75R16E 120Q, on/off-road, blackwall	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YGL	Tire, rear: LT265/75R16C, on/off-road, blackwall	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YHH	Tire, rear: LT245/75R16E 120Q, all-season, blackwall	2001, 2002, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YLP	Tire, rear: LT245/75R16E 120Q, all-season, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YYK	Tire, rear: LT215/85R16D, highway, blackwall	2001, 2003, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
YYL	Tire, rear: LT215/85R16D, on/off-road, blackwall	2001, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
Z5X	Mirror provisions, Arabic language	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
Z82	Trailering provisions, heavy-duty	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.195.	Factory-verified
ZBN	Tire, spare: LT245/75R16C, on/off-road, blackwall	2001	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
ZBX	Tire, spare: LT245/75R16C, on/off-road, white outline lettered	2001, 2004	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
ZEC	Tire, spare: LT215/85R16E, highway, blackwall	2001, 2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.172.	Factory-verified
ZEF	Tire, spare: LT215/85R16E, on/off-road, blackwall	2001, 2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.172.	Factory-verified
ZER	Tire, spare: LT265/75R16E, on/off-road, blackwall	2004, 2005	years from Heritage kit pages, not in GM’s service list of that year: 2005 (order guide) GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
ZGK	Tire, spare: LT245/75R16E 120Q, on/off-road, blackwall	2001, 2003, 2004	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201.	Factory-verified
ZGL	Tire, spare: LT265/75R16C, on/off-road, blackwall	2001, 2002	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
ZHH	Tire, spare: LT245/75R16E 120Q, all-season, blackwall	2001, 2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide); 2005 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.211.	Factory-verified
ZLP	Tire, spare: LT245/75R16E 120/116S, all-season, blackwall	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
ZW9	Base body or chassis (pickup box delete)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.175.	Factory-verified
ZYK	Tire, spare: LT215/85R16D, highway, blackwall	2001–2007	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.208.	Factory-verified
ZYL	Tire, spare: LT215/85R16D, on/off-road, blackwall	2001–2004	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 3500, p.237.	Factory-verified
Paint
01L	Secondary exterior color, special	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
01U	Primary exterior color, special	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
ZY1	Paint scheme, solid	2003–2005	years from Heritage kit pages, not in GM’s service list of that year: 2005 (order guide) GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.237. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.163.	Factory-verified
ZY2	Paint scheme, two-tone	2003, 2004	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.237.	Factory-verified
Internal / Process
5M7 internal	Speedometer calibration provisions (SEO)	2001–2003	years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2003 (order guide) GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.224.	Factory-verified
ARL internal	Plant code: Arlington, Texas	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
B4L internal	Label, price, refer to geographic chart	2003–2005	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
BAG internal	Parts package, export (overseas shipping)	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.60. GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.	Factory-verified
BL4 internal	Label, price, refer to geographic chart	2006, 2007	GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
CKD internal	Vehicle completely knocked down (CKD) export assembly	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
CMD internal	Plant code: Flint, Michigan (truck)	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
DNR internal	Equipment, dealer installed	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
EVA internal	Test, DVT evaporative emission requirement	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
EXP internal	Export processing	2005–2007	GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
F0F internal	Fleet incentive: Tourism Industry Inc. (Budget Sales and Leasing)	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
FE9 internal	Emissions, Federal	2003, 2005–2007	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.	Factory-verified
FWI internal	Plant code: Fort Wayne, Indiana	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
GMC internal	Plant code: Pontiac East, Michigan	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
MEX internal	Plant code: Toluca, Mexico	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
NA1 internal	Emissions, GVW 8,500 lb or less	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NA4 internal	Emissions, GVW over 8,500 lb	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NB8 internal	Emissions override, California	2005	the 2005 list prints it only in its light-duty half; the 2005 2500HD and 3500HD order guides list it GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
NC1 internal	Emissions, California LEV	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NC7 internal	Emissions override, Federal	2005	the 2005 list prints it only in its light-duty half; the 2005 2500HD and 3500HD order guides list it GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
NC8 internal	Emissions, California ULEV	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NE1 internal	Emissions certification, geographically restricted registration (up to 14,000 lb GVW)	2003, 2005–2007	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.202. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
NF2 internal	Emissions, Federal Tier 1	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NF4 internal	Emissions, clean fuel fleet	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NF9 internal	Emissions, general (export)	2003–2007	2003–2004 lists: general unleaded; 2005–2007: general with OBD malfunction-lamp suppression GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
NU4 internal	Emissions, California Level 2 Plus	2004–2007	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
OSG internal	Plant code: Oshawa, Ontario (truck)	2002–2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
P96 internal	Mexican modification, mandatory base equipment	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
T7L internal	Miscellaneous equipment for Central America (GMM controlled)	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
T8Z internal	Emissions, Mexico low emission vehicle	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
T98 internal	Vehicle identification number stamping	2005–2007	GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
TZ3 internal	Emissions, Mexico level (GMM calibration)	2005	GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
V60 internal	Vehicle statement, Gulf States, incomplete vehicle	2001, 2003–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
V73 internal	Vehicle statement, USA/Canada	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
V78 internal	Vehicle statement, delete	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
V87 internal	Vehicle statement, Gulf States	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
V98 internal	Factory delivery processing	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VBX internal	Label, Arabic language	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VC0 internal	Label, noise control information	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VC4 internal	Label, price and fuel economy, Puerto Rico and US Virgin Islands	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VC5 internal	Label, shipping, except US, US possessions or Japan	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VC7 internal	Label, price and fuel economy, Guam	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VCL internal	Emissions certification, clean fuel vehicle (fleet)	2003, 2005–2007	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.202. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
VD1 internal	Provisions, Europe	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VG8 internal	Label, notice to buyer	2003–2005	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VGC internal	Paint etch protective film (shipping)	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VJ3 internal	Label/plate, ECE approval and vehicle identification	2002, 2003, 2005–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VJ4 internal	Label, export child seat location	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VJ7 internal	Label, unleaded fuel only	2002, 2005	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VP3 internal	Noise control, European provisions	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VPH internal	Vehicle preparation, overseas delivery	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VR6 internal	Hooks, tie-down, shipping	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.64.	Factory-verified
VXS internal	Vehicle complete	2002, 2004	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VXT internal	Vehicle incomplete	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
VZ2 internal	Speedometer calibration A	2001–2007	GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
VZ3 internal	Label, mercury disposal notification	2004	GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
W86 internal	Miscellaneous equipment for Venezuela (GMV controlled)	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
W87 internal	Parts, North American, sourced in Venezuela (GMV controlled)	2002	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
W99 internal	Miscellaneous equipment for Venezuela (GM platform controlled)	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
X44 internal	Parts, North American sourced, shipped to outside supplier and checked (GMCL controlled)	2003	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.	Factory-verified
X52 internal	Miscellaneous equipment for Guam, Puerto Rico and US Virgin Islands	2003–2007	GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
X88 internal	Conversion nameplate / market brand: Chevrolet	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified
YF5 internal	Emissions, California	2003, 2005–2007	years from Heritage kit pages, not in GM’s service list of that year: 2003 (order guide) GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1. GM Heritage factory kit — 2003 Chevrolet Silverado 2500, p.201. GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.	Factory-verified
Z49 internal	Canadian modification, mandatory base equipment	2002–2007	GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1. GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.	Factory-verified

Source document: chevrolet/silverado-hd-gmt800.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.