Chevrolet · 2015-2019

Silverado HD — K2XX (2015–2019)

silverado hd · silverado 2500hd · silverado 3500hd · silverado hd work truck · silverado hd lt · silverado hd ltz · silverado hd high country

280 option rows 280 RPO codes 4 model years

100% Factory-verified

✓ Factory-verified · 280
● Confirmed · 0
◑ Single-source · 0
⚠ Disputed · 0

Applicable options

Documented RPO codes

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Model year

Show internal codes (6)

Silverado HD — K2XX (2015–2019) RPO codes
Code	Option	Years	Notes & factory source	Confidence
Engines
L96	Engine, Vortec 6.0L V8, variable valve timing, sequential fuel injection, E85 FlexFuel	2016–2019	360 hp (268.4 kW) at 5400 rpm and 380 lb-ft (515 N-m) at 4200 rpm; no E85 capability with the pickup box delete (ZW9); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: the 2019 2500HD trailering page names it GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2019 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3.	Factory-verified
LC8	Engine, 6.0L V8, sequential fuel injection, gaseous, hardened valves and valve seats	2016, 2019	2016: runs on gasoline and compressed natural gas with the bi-fuel CNG system (FHV), 301 hp (225 kW) at 5000 rpm and 333 lb-ft (452 N-m) at 4200 rpm on CNG; 2019: CNG and LPG capable, shipped with the gasoline fuel system only, the gaseous system left to an upfitter; 2019: GM's 2019 Silverado 2500HD order guide; the 2017 and 2018 guides name it only in their trailering tables and footnotes, so those years are not claimed GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.38.	Factory-verified
LML	Engine, Duramax 6.6L turbo-diesel V8, B20 diesel compatible	2016	397 hp (296 kW) at 3000 rpm and 765 lb-ft (1032.8 N-m) at 1600 rpm; requires MW7 and GT4; includes exhaust brake (K40) and engine block heater (K05); the 2017 guides' trailering tables still name it, but their engine pages give the L5P GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4.	Factory-verified
L5P	Engine, Duramax 6.6L turbo-diesel V8, B20 diesel compatible	2017–2019	445 hp (332 kW) at 2800 rpm and 910 lb-ft (1220 Nm) at 1600 rpm in the 2018 guide; requires MW7 and GT4; includes exhaust brake (K40) and engine block heater (K05); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: the 2019 2500HD trailering page names it GM factory document — 2019 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38.	Factory-verified
Transmissions
MW7	Transmission, Allison 1000 6 speed automatic, electronically controlled	2016–2019	with the Duramax diesel (LML in 2016, L5P from 2017); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.27. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.40. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.40.	Factory-verified
MYD	Transmission, 6 speed automatic, heavy-duty, electronically controlled	2016–2019	with the 6.0L V8 (L96 or LC8); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.4. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.4.	Factory-verified
NQF	Transfer case, electronic shift, rotary dial controls	2016–2019	4WD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.13. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.13. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
NQG	Transfer case, floor-mounted shifter	2016–2019	4WD; Work Truck; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.13. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
Axles
G80	Differential, rear, heavy-duty locking	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
GT4	Axle, rear, 3.73 ratio	2016–2019	with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.56. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.71. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.72.	Factory-verified
GT5	Axle, rear, 4.10 ratio	2016–2019	with the 6.0L V8; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
Packages & Trims
1WT	Trim group, Work Truck	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
1LT	Trim group, LT	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.	Factory-verified
1LZ	Trim group, LTZ	2017–2019	the 2016 guides print it only with a footnote digit (1LZ2), so 2016 is not claimed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.	Factory-verified
3LZ	Trim group, High Country	2017–2019	the 2016 guides print it only with a footnote digit (3LZ3), so 2016 is not claimed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
ANQ	Alaskan Snow Plow Special Edition package	2017–2019	4WD only; 18 inch black wheels (RT4), LT275/65R18E Goodyear Wrangler DuraTrac tires (QF2), snow plow prep package (VYU), roof marker lamps (U01), spray-on bedliner (CGN) and decals; the 2017 guide prints Alaskan Edition; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
AQC	Appearance package	2016–2019	comes with the Midnight Edition (PDY) or the Custom Sport Edition (PDX); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.44. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.58. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.59.	Factory-verified
GAJ	High Country package	2016–2019	the High Country trim content: leather bucket seats (AN3), Bose audio (UQA), 20 inch chromed wheels (RQ9), front and rear park assist (UD5) and body-color bumpers (VB5, VT5); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.10. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.10.	Factory-verified
PCH	Duramax plus package	2016–2019	Duramax diesel (LML in 2016, L5P from 2017), Allison 6 speed (MW7), 3.73 axle (GT4), engine block heater (K05), exhaust brake (K40) and the navigation radio (IO6); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.35.	Factory-verified
PCM	Convenience package	2016–2019	one code for two trim-specific packages: the WT Convenience Package on Work Truck (deep-tinted glass AKO, 110-volt outlet KI4, remote keyless entry AQQ, remote locking tailgate A91, power mirrors DL8; rear vision camera UVC in 2016 and 2017) and the LT Convenience Package on LT (remote start BTV, rear-window defogger C49, tilt and telescoping column N37, fog lamps T3U, dual-zone climate control CJ2 on Crew Cab and Double Cab); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.14. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.22. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.23.	Factory-verified
PCN	Custom package	2016–2019	only in: 2500HD; GM's name: Silverado HD Custom; Double Cab; deep-tinted glass (AKO), remote keyless entry (AQQ), spray-on bedliner (CGN), chrome door handles (E20), chrome mirror caps (DP9) and 20 inch polished aluminum wheels (PYU); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.27. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.27.	Factory-verified
PCO	LPO, essentials package	2019	dealer-installed; LPO 4 inch round chrome assist steps (VXJ), soft tri-folding tonneau cover (5JY) and all-weather floor liner (RIA); 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.33.	Factory-verified
PCW	LT plus package	2016–2019	Crew Cab and Double Cab; universal home remote (UG1), rear park assist (UD7), power-adjustable pedals (JF4), sliding rear window (A48) and rear-window defogger (C49); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.14. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.23. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.23.	Factory-verified
PDA	Texas Edition package	2016–2019	Crew Cab and Double Cab; LT; Texas Edition badging, trailering equipment (Z82) and LPO 4 inch round chrome assist steps (VXJ); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.18. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.29. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.	Factory-verified
PDF	LTZ plus package	2016–2019	Crew Cab and Double Cab; power-adjustable pedals (JF4), Bose audio (UQA) and front and rear park assist (UD5); the 2018 guide adds the heated steering wheel (UVD); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.14. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.23. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.23.	Factory-verified
PDH	LPO, interior protection package	2016, 2018	dealer-installed; the 2016 package holds all-weather floor mats (VAV) and a rubber bed mat (VBR), the 2018 package the all-weather floor liner (RIA) and the rubber bed mat (VBR); 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.26.	Factory-verified
PDL	LPO, GearOn bar package	2018	dealer-installed; cargo tie-down rings (5VI) and cross rails tiered storage (SIE); the 2018 guide marks it no longer available; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33.	Factory-verified
PDO	LPO, protection package	2019	dealer-installed; LPO all-weather floor liner (RIA) and black molded splash guards (VQK); 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
PDT	High Country premium package	2016	High Country; heated steering wheel (UVD), driver alert package content (Y65) and power-adjustable pedals (JF4) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3.	Factory-verified
PDU	All Star Edition package	2016–2019	Crew Cab and Double Cab; LT; trailering equipment (Z82), trailer brake controller (JL1) and LPO 4 inch round chrome assist steps (VXJ); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.29. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.	Factory-verified
PDV	LPO, chrome essentials package	2017–2018	dealer-installed; LPO chrome recovery hooks (VQY) with LPO chrome assist steps (VXH) in 2017 or the polished exhaust tip (VQZ) in 2018; the 2018 guide marks it no longer available; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.22. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33.	Factory-verified
PDW	Vortec plus package	2018–2019	only in: 2500HD; LTZ 4WD with the 6.0L V8 (L96); off-road package (Z71), chrome trailering mirrors (DQS), 20 inch polished wheels (PYU), leather bucket seats (AN3) and the LTZ plus package content; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.29. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.29.	Factory-verified
PDX	Custom Sport Edition package	2016–2019	Crew Cab; Appearance Package (AQC), body-color grille with chrome bars (TC7), body-color bumpers (VB5, VT5), spray-on bedliner (CGN) and 20 inch polished wheels; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.18. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.	Factory-verified
PDY	Midnight Edition package	2016–2017	only in: 2500HD; Crew Cab 4WD with the Z71 package in Black (GBA); body-color grille with chrome bars (TC7), body-color bumpers (VB5, VT5), front and rear park assist (UD5), spray-on bedliner (CGN) and 18 inch black wheels (RT4); the 2018 and 2019 guides print the Midnight Edition as WJP; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.18.	Factory-verified
PEF	LPO, interior convenience package	2018	dealer-installed; console insert organizer tray (S0P) and rear underseat storage (VBJ); 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.26.	Factory-verified
STY	Tribute Edition package	2019	GM's name: Silverado HD Tribute Edition; LTZ 4WD with the off-road package (Z71); unique decals, black bowtie emblems (P3H), spray-on bedliner (CGN) and front and rear park assist (UD5); 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
U42	Entertainment package, rear seat DVD/Blu-Ray player	2016–2019	Crew Cab; 9.2 inch LCD display, two wireless headphones and remote; replaces the CD player (TG5); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.15. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.24. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.24.	Factory-verified
VYU	Snow plow prep package	2016–2019	4WD only; power feed for backup and roof emergency lamps, 220-amp alternator (KW5), forward lamp wiring harness, roof lamp provision (TRW), underbody shields (NZZ) and heavy-duty front springs; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.35.	Factory-verified
WJP	Midnight Edition package	2018–2019	only in: 2500HD; Crew Cab 4WD with the Z71 package; black bowtie emblems (P3H), 18 inch black wheels (RT4) and aggressive-tread tires (QF2); the 2016 and 2017 guides print the Midnight Edition as PDY; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.27.	Factory-verified
Y65	Driver alert package	2016–2019	lane departure warning (UFL), forward collision alert (UEU), safety alert seat and front and rear park assist (UD5); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
Z6A	Gooseneck and fifth wheel prep package	2016–2019	long box; hitch platform for a gooseneck or fifth wheel hitch, drilled box holes with caps and a box-mounted 7-pin trailer harness; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.27. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.39. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.40.	Factory-verified
Z71	Off-road suspension package	2016–2019	4WD only; twin tube Rancho shocks, hill descent control (JHD), underbody shields (NZZ) and Z71 badging and decals; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
Z82	Trailering package	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.13. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
Z85	Suspension package, heavy-duty handling and trailering	2016–2019	51mm twin tube shock absorbers and 33mm front stabilizer bar; the Chevrolet guides call it the standard suspension package (description as in the merged GMC twin doc); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.4. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.4.	Factory-verified
Equipment
5JY	LPO, Tonneau cover, soft folding	2016, 2019	dealer-installed; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.33.	Factory-verified
5VI	LPO, Cargo tie-down rings, set of 4	2018	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33.	Factory-verified
9G4	GVWR, 13,400 lbs (6078 kg), dual rear wheels	2016–2018	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37.	Factory-verified
9GH	GVWR, 13,500 lbs (6123 kg), dual rear wheels	2016–2018	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37.	Factory-verified
9J4	Bumper, rear, delete	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.30. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.29.	Factory-verified
9L7	Upfitter switches, 4	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.26. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
A31	Windows, power, driver express up and down, express down on other windows	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.10. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
A48	Window, rear, power sliding, with defogger	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.10.	Factory-verified
A60	Tailgate, locking	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
A68	Seat, rear 60/40 folding bench, 3-passenger	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
A91	Tailgate, remote locking	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
A95	Seats, front bucket, cloth, heated, power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.16. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.25. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.25.	Factory-verified
AE7	Seats, front 40/20/40 split-bench, 3-passenger, reclining	2016–2019	Work Truck; vinyl with fixed lumbar or cloth with manual driver lumbar; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
AG1	Seat adjuster, driver 10-way power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.40. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.53. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.53.	Factory-verified
AK5	Air bags, frontal, driver and right front passenger, single stage	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.1.	Factory-verified
AKO	Glass, deep-tinted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
AKP	Glass, solar-absorbing, tinted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
AM7	Seat, rear full-width folding bench, 3-passenger	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
AN3	Seats, front bucket, leather-appointed, full-feature, heated, power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
AQQ	Remote keyless entry	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
AU3	Door locks, power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
AY0	Air bags, single-stage frontal and thorax side-impact, driver and front passenger, head curtain side-impact, front and rear outboard	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
AZ3	Seats, front 40/20/40 split-bench, 3-passenger, reclining, lockable storage	2016–2019	LT; cloth or leather, manual driver lumbar and seat cushion storage compartment; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
B1J	Wheelhouse liners, rear	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
B30	Floor covering, carpet, color-keyed	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
B3F	Seats, front 40/20/40 split-bench, leather-appointed, heated, power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
B58	Floor mats, carpeted, color-keyed, first and second row	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
B85	Moldings, bodyside, chrome	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
B86	Moldings, bodyside, body-color	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
BG9	Floor covering, rubberized vinyl, graphite	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
BTV	Remote vehicle starter system	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
BWN	Bumper, rear, corner steps	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
C49	Defogger, rear-window, electric	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
C4M	GVWR, 9,900 lbs (4490 kg)	2016–2019	only in: 2500HD; Crew Cab 4WD long box with the 6.0L V8, or Regular Cab with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
C67	Air conditioning, single-zone	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
C7A	GVWR, 10,000 lbs (4536 kg)	2016–2019	2500HD: Crew Cab or Double Cab with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.38.	Factory-verified
C7E	GVWR, 11,000 lbs (4990 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
C7G	GVWR, 10,500 lbs (4763 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.34.	Factory-verified
C7V	GVWR, 11,600 lbs (5262 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
C7W	GVWR, 11,400 lbs (5171 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
C99	Air bag deactivation switch, front passenger	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.23. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.48.	Factory-verified
CF5	Sunroof, power	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.25. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.25.	Factory-verified
CGN	Bedliner, spray-on, bowtie logo	2016–2019	black liner covering the bed below the rails and the tailgate; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.10. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
CHX	GVWR, 13,025 lbs (5908 kg), dual rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
CJ2	Air conditioning, dual-zone automatic climate control	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
CTD	Cargo tie-downs, 4, movable upper	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
D07	Console, floor-mounted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
D75	Door handles, body-color	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
DD8	Mirror, inside rearview, auto-dimming	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
DE2	Mirrors, outside, manual, black	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
DF2	Mirrors, outside, vertical trailering, manual folding and extending, black	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.30.	Factory-verified
DH6	Visors, driver and front passenger, illuminated vanity mirrors	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.10.	Factory-verified
DL3	Mirrors, outside, heated, power-adjustable, power-folding, chrome caps	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
DL8	Mirrors, outside, heated, power-adjustable	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
DP6	Mirror caps, body-color	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
DP9	Mirror caps, chrome	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
DPN	Mirrors, outside, vertical trailering, heated, power-adjustable upper glass, manual folding and extending, black	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.30.	Factory-verified
DQS	Mirrors, outside, vertical trailering, heated, power-adjustable, memory, power-folding, chrome	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
E20	Door handles, chrome	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
E63	Pickup box	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
FHV	Fuel system, bi-fuel, compressed natural gas	2016	runs on gasoline and CNG, not E85 compatible; 24 GGE tank in the forward end of the bed; requires the gaseous 6.0L V8 (LC8) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4.	Factory-verified
G1Y	GVWR, 11,500 lbs (5216 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
G4A	GVWR, 9,300 lbs (4218 kg)	2016–2018	only in: 2500HD; Regular Cab 2WD with the 6.0L V8; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3.	Factory-verified
GEH	GVWR, 9,500 lbs (4309 kg)	2016–2019	only in: 2500HD; with the 6.0L V8; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
IO3	Audio system, 4.2 inch diagonal color display, AM/FM stereo, USB port, auxiliary jack	2016–2017	2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4.	Factory-verified
IO5	Audio system, Chevrolet MyLink, 8 inch diagonal color touch screen, AM/FM stereo, USB ports, auxiliary jack, Bluetooth audio, voice recognition	2016–2019	the 2019 guides call it the Chevrolet Infotainment System; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
IO6	Audio system, Chevrolet MyLink, 8 inch diagonal color touch screen with navigation, AM/FM stereo, USB ports, auxiliary jack, Bluetooth audio, voice recognition	2016–2019	the 2019 guides call it the Chevrolet Infotainment System; included in the Duramax plus package (PCH); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
IOB	Audio system, 7 inch diagonal color touch screen, AM/FM stereo, Bluetooth audio	2016–2019	Chevrolet MyLink in 2016 to 2018; the 2019 guides call it the Chevrolet Infotainment System; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.15. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
J95	Brakes, 4-wheel antilock, 4-wheel disc, DuraLife rotors	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
J96	Brakes, 4-wheel antilock, 4-wheel disc, DuraLife rotors, dual rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.3.	Factory-verified
JF4	Pedals, power-adjustable	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
JFI	GVWR, 10,400 lbs (4717 kg)	2016–2018	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.36.	Factory-verified
JFK	GVWR, 10,700 lbs (4854 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.34.	Factory-verified
JFL	GVWR, 10,800 lbs (4899 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
JFN	GVWR, 11,100 lbs (5035 kg), single rear wheels	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.35.	Factory-verified
JFO	GVWR, 11,200 lbs (5080 kg), single rear wheels	2016–2018	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.37.	Factory-verified
JHD	Hill descent control	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.56. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.71. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.72.	Factory-verified
JL1	Trailer brake controller, integrated	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.13. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
K05	Engine block heater	2016–2019	comes with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.	Factory-verified
K34	Cruise control, steering wheel-mounted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
K40	Exhaust brake	2016–2019	comes with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.55. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.70. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.71.	Factory-verified
K47	Air cleaner, high-capacity	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
K4B	Battery, auxiliary, 730 cold-cranking amps	2016–2019	not with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
K4C	Wireless charging	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.10. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.10.	Factory-verified
KA1	Seats, heated, driver and front passenger	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
KB6	Seats, heated and cooled, perforated leather-appointed front bucket	2016	requires leather bucket seats (AN3) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2.	Factory-verified
KC4	Cooling, external engine oil cooler	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
KG4	Alternator, 150 amps	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
KHB	Alternators, dual, 150 amps and 220 amps	2016–2019	with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
KI4	Power outlet, 110-volt AC	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
KNP	Cooling, auxiliary external transmission oil cooler	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
KQV	Seats, heated and ventilated, perforated leather-appointed front bucket	2017–2019	requires leather bucket seats (AN3) and a perforated leather trim (H3A, H3B or H3C); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
KW5	Alternator, 220 amps	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.36. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
N33	Steering column, manual tilt	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
N37	Steering column, manual tilt and telescoping	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
N79	Wheel, spare, 18 x 8 full-size, steel	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
NAA	LPO, Rocker guards	2018	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34.	Factory-verified
NK5	Steering wheel, base	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
NP5	Steering wheel, leather-wrapped, audio and cruise controls	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
NV8	Steering, digital steering assist	2016–2019	Crew Cab, or Double Cab with the Duramax diesel; the 2019 guide limits it to Crew Cab; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.13. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
NZ4	Wheel, spare, 17 x 7.5 full-size, steel	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
NZZ	Underbody shield, frame-mounted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.39.	Factory-verified
P03	Wheel trim, painted trim skins and painted center caps	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.2.	Factory-verified
P06	Wheel trim, chrome trim skins and chrome center caps	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.11.	Factory-verified
P3H	Bowtie emblems, black, front and rear	2017–2019	with the Midnight Edition (PDY or WJP) and the Tribute Edition (STY); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.44. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.58. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.58.	Factory-verified
PPA	Tailgate, EZ-Lift and lower	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
PYN	Wheels, 17 inch steel	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
PYQ	Wheels, 17 inch aluminum, machined	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
PYT	Wheels, 18 inch steel, painted	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.21. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.32. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.32.	Factory-verified
PYU	Wheels, 20 inch aluminum, polished, 5-spoke	2016–2019	only in: 2500HD; includes an 18 x 8 steel spare wheel from 2017; included with the Custom package (PCN); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.22. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.32.	Factory-verified
PYV	Wheels, 18 inch aluminum, chromed	2016–2019	18 x 8 steel spare wheel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
PYW	Wheels, 17 inch steel, painted	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.2.	Factory-verified
Q7R	Wheels, 20 inch aluminum, polished, 6-spoke	2017–2019	only in: 2500HD; included with the Custom Sport Edition (PDX) on LTZ; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.22. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.32.	Factory-verified
QF2	Tires, LT265/70R18E all-terrain, aggressive tread, blackwall	2016	Goodyear Wrangler DuraTrac; with the Midnight Edition (PDY); only in: 2500HD; the 2017 to 2019 guides give QF2 another size (its own row) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3.	Factory-verified
QF2	Tires, LT275/65R18E 123/120Q maximum traction, blackwall	2017–2019	Goodyear Wrangler DuraTrac; with the Alaskan (ANQ) and Midnight Edition packages; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.49. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.63. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.63.	Factory-verified
QFC	Tires, LT265/60R20E all-terrain, blackwall	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
QGM	Tires, LT265/70R18E all-terrain, blackwall	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.21. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.32. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
QHQ	Tires, LT245/75R17E all-season, blackwall	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
QQO	Tires, LT235/80R17E all-season, highway	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.2.	Factory-verified
QWF	Tires, LT265/70R18E all-season, blackwall	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
QXT	Tires, LT265/70R17E all-terrain, blackwall	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.21. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.32. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
QZT	Tires, LT235/80R17E all-terrain	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.28.	Factory-verified
R88	LPO, Bowtie emblems, black, illuminated front	2018–2019	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
R8M	Assist step delete	2016–2019	deletes the standard LPO 6 inch chrome assist steps (VXH) when another LPO step is ordered; the 2018 and 2019 guides print Assist Steps Not Desired or Alternate Step Desired; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.29. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.33.	Factory-verified
R8R	Bedliner, spray-on, delete	2016–2019	required with the LPO rubber bed mat (VBR) or drop-in bedliner (VZX) or the gaseous engine (LC8); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.30. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.29.	Factory-verified
RIA	LPO, All-weather floor liner	2017–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.27. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
RN2	LPO, Bowtie emblems, gold, illuminated front	2018–2019	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
RQ9	Wheels, 20 inch aluminum, chromed	2016–2019	only in: 2500HD; 18 x 8 steel spare wheel; High Country; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
RS7	Wheels, 17 inch aluminum, polished	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.11.	Factory-verified
RT4	Wheels, 18 inch aluminum, black	2016–2019	18 x 8 steel spare wheel; with the Midnight Edition and Alaskan packages; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.22. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.64. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.64.	Factory-verified
RTH	Wheels, 20 inch aluminum, polished, Dark Argent Metallic pockets	2016–2019	only in: 2500HD; 18 x 8 steel spare wheel; Crew Cab with LT265/60R20E tires (QFC); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.22. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.33. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.33.	Factory-verified
RVS	LPO, Assist steps, black tubular, 4 inch round	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
RWI	LPO, Bodyside moldings, chrome	2016–2018	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35.	Factory-verified
S0P	LPO, Console insert organizer tray	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.26. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
S6L	LPO, Assist steps, off-road	2017–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
S6V	LPO, Cargo box side assist step, retractable	2016	dealer-installed GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3.	Factory-verified
SAF	Tire carrier lock	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.	Factory-verified
SBY	LPO, Sport bar, bed-mounted, tubular	2017–2018	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35.	Factory-verified
SFE	LPO, Wheel locks, set of 4	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.24. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.35.	Factory-verified
SFZ	LPO, Bowtie emblems, black, front and rear	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
SIE	LPO, Cross rails, tiered storage system	2018	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.66.	Factory-verified
SKP	Wheel, spare, 17 x 6.5 full-size, steel	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.29.	Factory-verified
SNO	LPO, Hitch package, gooseneck ball and chain tie-down kit with case	2017–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.27. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.39. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.40.	Factory-verified
SRW	Chassis, single rear wheel	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.3. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.3. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.3.	Factory-verified
T3U	Fog lamps, front, halogen	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
TC7	Grille, body-color, chrome bars	2016–2019	comes with the Midnight Edition or Custom Sport Edition packages; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.46. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.60. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.60.	Factory-verified
TDM	Teen Driver	2017–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
TG5	CD/MP3 player, single-slot	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
TRW	Provision, cab roof-mounted lamp or beacon	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.21. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.32. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
U01	Lamps, roof marker, smoked amber	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.30. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.30.	Factory-verified
U2K	SiriusXM satellite radio, 3-month All Access trial	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
U2L	Radio, HD	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
UD5	Front and rear park assist, ultrasonic	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.11. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.12.	Factory-verified
UD7	Rear park assist, ultrasonic	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.48. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.32. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.63.	Factory-verified
UDC	Driver information center, 3.5 inch diagonal monochrome display	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
UDD	Driver information center, 4.2 inch diagonal color display	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
UE1	OnStar plan, 6 months	2016	the 2016 guides print the OnStar Guidance plan for 6 months; the 2017 guide prints 3 months (its own row), the 2018 guide a limited trial with no term and the 2019 guides OnStar connected services capable, so 2018 and 2019 are not claimed GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2.	Factory-verified
UE1	OnStar plan, 3 months	2017	the OnStar Guidance plan; fleet orders receive a 6-month trial; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6.	Factory-verified
UEU	Forward collision alert	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
UF2	Lamps, cargo box, LED	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.30.	Factory-verified
UF3	Switch, high idle	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.39.	Factory-verified
UFL	Lane departure warning	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
UG1	Universal home remote	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.10.	Factory-verified
UJ5	LPO, Rear seat DVD entertainment system, dual 7 inch headrest monitors	2016	dealer-installed; not with the factory entertainment package (U42) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2.	Factory-verified
UJM	Tire pressure monitoring system	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
UK3	Steering wheel controls, audio	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
UQ3	Audio system, 6 speakers	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.1. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
UQ5	Audio system, 4 speakers	2016–2017	Regular Cab; Work Truck; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1.	Factory-verified
UQA	Audio system, Bose, 6 speakers	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.5. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.6. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.	Factory-verified
UTJ	Theft-deterrent system, unauthorized entry	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.9. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
UVC	Rear vision camera	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.1.	Factory-verified
UVD	Steering wheel, heated, leather-wrapped, audio and cruise controls	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.8. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.9. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.9.	Factory-verified
UY2	Wiring provisions, camper, fifth wheel and gooseneck trailer	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.27. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.39. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.39.	Factory-verified
V10	Cover, winter, radiator grille and front bumper	2016–2019	for the Duramax diesel; required on orders shipped to cold-weather states; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
V22	Grille surround, chrome	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
V46	Bumper, front, chrome	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
V76	Recovery hooks, front, frame-mounted, black	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
VAV	LPO, All-weather floor mats, front and rear	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.27. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
VB5	Bumper, front, body-color	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.10. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
VBJ	LPO, Rear underseat storage bin, composite	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.17. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.26. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.26.	Factory-verified
VBR	LPO, Bed mat, rubber	2016, 2018–2019	dealer-installed; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
VJH	Bumper, rear, chrome, corner steps	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.2. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.	Factory-verified
VK3	License plate kit, front	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.20. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.30. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.30.	Factory-verified
VQK	LPO, Splash guards, molded, black, front and rear	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.35.	Factory-verified
VQT	LPO, Tonneau cover, hard tri-folding	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.35.	Factory-verified
VQY	LPO, Recovery hooks, chrome	2017–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
VQZ	LPO, Exhaust tip, polished	2016–2018	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35.	Factory-verified
VRV	LPO, Splash guards, molded, body-color	2016	dealer-installed GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3.	Factory-verified
VT5	Bumper, rear, body-color, corner steps	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.10. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.11. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.11.	Factory-verified
VTG	LPO, Interior trim kit, Synthesis Silver	2016	dealer-installed; door and console trim parts; with bucket seats (A95 or AN3) GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2.	Factory-verified
VV4	OnStar 4G LTE Wi-Fi hotspot	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.7.	Factory-verified
VXH	LPO, Assist steps, chrome tubular, 6 inch rectangular	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.12. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.12. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.13.	Factory-verified
VXJ	LPO, Assist steps, chrome tubular, 4 inch round	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.33.	Factory-verified
VZX	LPO, Bedliner, drop-in	2016–2019	dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.35. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.	Factory-verified
ZHQ	Tire, spare, LT245/75R17E all-season, blackwall	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.49. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.63. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.63.	Factory-verified
ZQO	Tire, spare, LT235/80R17E highway	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.28.	Factory-verified
ZW9	Pickup box delete	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.21. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.31.	Factory-verified
ZWF	Tire, spare, LT265/70R18E all-season, blackwall	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.49. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.64. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.64.	Factory-verified
ZXT	Tire, spare, LT265/70R17E all-terrain, blackwall	2016–2019	only in: 2500HD; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.49. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.64. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.64.	Factory-verified
ZZT	Tire, spare, LT235/80R17E all-terrain	2016–2019	only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide GM factory document — 2016 chevrolet silverado 3500hd fleet order guide wayback, p.3. GM factory document — 2017 chevrolet silverado 3500hd order guide revised august 12 2016 copy gm authority, p.19. GM factory document — 2018 chevrolet silverado 3500hd order guide copy gm authority, p.31. GM factory document — 2019 chevrolet silverado 3500hd order guide april 20 2018 copy gm authority, p.29.	Factory-verified
Paint
G1C	Slate Grey Metallic	2016	touch-up paint WA-402Y GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1.	Factory-verified
G1E	Siren Red Tintcoat	2016–2017	touch-up paint WA-405Y; extra charge; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63.	Factory-verified
G1F	Autumn Bronze Metallic	2016	touch-up paint WA-406Y; extra charge GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1.	Factory-verified
G1K	Deep Ocean Blue Metallic	2016–2019	touch-up paint WA-409Y; extra charge; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
G1W	Iridescent Pearl Tricoat	2019	touch-up paint WA-140X; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
G2X	Havana Brown Metallic	2018–2019	touch-up paint WA-439C; the 2018 guide prints Havana Metallic; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
G7C	Red Hot	2016–2019	touch-up paint WA-130X; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
G7T	Butte Red Metallic	2016–2017	touch-up paint WA-142X; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63.	Factory-verified
GAN	Silver Ice Metallic	2016–2019	touch-up paint WA-636R; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GAZ	Summit White	2016–2019	touch-up paint WA-8624; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GB8	Mosaic Black Metallic	2019	touch-up paint WA-384A; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GBA	Black	2016–2019	touch-up paint WA-8555; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GMU	Pepperdust Metallic	2017	touch-up paint WA-441B; 2017: GM's 2017 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63.	Factory-verified
GPA	Graphite Metallic	2017–2019	touch-up paint WA-457B; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.63. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GPJ	Cajun Red Tintcoat	2018–2019	touch-up paint WA-434B; extra charge; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.79. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.79.	Factory-verified
GXG	Tungsten Metallic	2016	touch-up paint WA-121V GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1.	Factory-verified
Interior Trim
H0K	Interior trim, Cocoa / Dune, leather-appointed	2017–2019	LTZ split-bench (B3F) and bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
H0U	Interior trim, Jet Black, cloth	2016–2019	LT split-bench (AZ3) and bucket seats (A95); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.62. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
H1Y	Interior trim, Jet Black, leather-appointed	2016–2019	LT 40/20/40 leather split-bench (AZ3); the color and trim pages print it with a footnote digit (H1Y1, H1Y3), so each year cites a page or guide that names it cleanly; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.7. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.8. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.8.	Factory-verified
H2Q	Interior trim, Dark Ash seats with Jet Black accents, vinyl	2016–2019	Work Truck 40/20/40 split-bench (AE7); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.62. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
H2R	Interior trim, Dark Ash seats with Jet Black accents, cloth, split-bench	2016–2019	Work Truck 40/20/40 split-bench (AE7); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.62. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
H2S	Interior trim, Dark Ash seats with Jet Black accents, cloth, LT seats	2016–2019	LT split-bench (AZ3) and bucket seats (A95); the merged GMC twin doc reads it with its own mid-level trim name; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.62. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
H2T	Interior trim, Cocoa / Dune, cloth	2016–2019	LT split-bench (AZ3) and bucket seats (A95); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.62. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.77. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.77.	Factory-verified
H2U	Interior trim, Jet Black, leather-appointed	2017–2019	LTZ split-bench (B3F) and bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
H2V	Interior trim, Dark Ash seats with Jet Black accents, leather-appointed	2017–2019	LTZ split-bench (B3F) and bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
H3A	Interior trim, Cocoa / Dune, perforated leather-appointed	2016–2019	LTZ perforated leather bucket seats (AN3) with ventilated seats; the color and trim pages print it with a footnote digit (H3A1); the color comes from those pages, the code from the interior pages' clean mentions; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
H3B	Interior trim, Jet Black, perforated leather-appointed	2016–2019	LTZ perforated leather bucket seats (AN3) with ventilated seats; the color and trim pages print it with a footnote digit (H3B1); the color comes from those pages, the code from the interior pages' clean mentions; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
H3C	Interior trim, Dark Ash seats with Jet Black accents, perforated leather-appointed	2016–2019	LTZ perforated leather bucket seats (AN3) with ventilated seats; the color and trim pages print it with a footnote digit (H3C1); the color comes from those pages, the code from the interior pages' clean mentions; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.2. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.4. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.5. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.5.	Factory-verified
H4S	Interior trim, Saddle, perforated leather-appointed	2017–2019	High Country bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
HQZ	Interior trim, Jet Black with Medium Ash Gray piping and stitching, perforated leather-appointed	2017–2019	High Country bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.	Factory-verified
Internal / Process
FE9 internal	Emissions, federal requirements	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
NB8 internal	Emissions override, California	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.	Factory-verified
NB9 internal	Emissions override, state-specific	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.	Factory-verified
NC7 internal	Emissions override, federal	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.	Factory-verified
NE1 internal	Emissions, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington requirements	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.37. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.36.	Factory-verified
YF5 internal	Emissions, California state requirements	2016–2019	2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4. GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.25. GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38. GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.	Factory-verified

Source document: chevrolet/silverado-hd-k2xx.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.