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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.

    Source document

    docs/rpo/gmc/sierra-hd-gmt800.md

    Interactive view →

    Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Sierra HD — GMT800 (2001–2007) page.

    GMC Sierra HD — GMT800 (first-gen HD) (2001–2007)

    This is the heavy-duty GMC Sierra of the GMT800 generation, 2001–2007: NICB's 2001 and 2003 VIN manuals list GM's full-size truck in 2500 (3/4 ton) and 3500 (1 ton) series, 4x2 and 4x4, and GM's 2007 lists call the truck the Sierra Classic. Every row comes from GM's service RPO lists for the C Sierra 2WD and K Sierra 4WD (2001–2006) and the 2007 Sierra Classic 2WD and 4WD; these lists are word for word the Chevrolet Silverado's of the same years (and in 2001 also the Suburban's, Tahoe's and Yukon's), the C and K lists are word for word each other's, and the rows follow the Sierra GMT800 doc's wording. The 2001–2004 lists cover the light- and heavy-duty trucks together, while the 2005–2007 lists print a separate heavy-duty half, the only half used here for those years; codes those lists print only in the light-duty half, P-metric tires, GVW ratings under 8,500 lb, the 4.3L V6 and the 3.08 axle are left to sierra-gmt800, and utility-body items (roof carriers, liftgate, rear air conditioning, level control) and codes whose wording names Chevrolet or Cadillac are left out. The lists give the 6.0L LQ4 and 8.1L L18 gasoline V8s, the 5.7L L31 (2003–2007) and the Duramax 6.6L diesels LB7 (2001–2004), LLY (2004–2007) and LBZ (2006–2007); no listed source gives the truck's paint or interior trim codes beyond the paint scheme and special color codes.

    Codes

    Engines

    Code Description Years Models/Notes Confidence
    L18 Engine, gasoline, 8 cylinder, 8.1L, multiport fuel injection 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    L31 Engine, 5.7L V8 (Vortec 5700), CPI 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    LB7 Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbocharged, high output, Duramax 2001–2004 the 2001–2002 lists print the size as 6.6 without the L ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    LBZ Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbo-high, high output, Duramax 2006–2007 ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    LLY Engine, diesel, 8 cylinder, 6.6L, direct injection, V8, turbo-high, Duramax 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    LQ4 Engine, 6.0L V8 (Vortec 6000), iron block 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed

    Transmissions

    Code Description Years Models/Notes Confidence
    M74 Transmission, 5 speed automatic, Allison LCT 1000, 3.10 first gear, 1.00 fourth gear, 0.71 fifth gear, overdrive, converter clutch 2001, 2003–2005 the 2002 list does not print it; GM prints the converter clutch as Conversion Clutch or CONV Clutch ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    M96 Transmission, 5-speed manual, Tremec 109 mm, 5.81 first gear 2003, 2005–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ML6 Transmission, 6 speed manual, ZF 105 mm, 5.79 first gear, 0.72 sixth gear, overdrive 2001–2007 GMT Central words ML6 as a New Venture Gear 120 mm manual (another reading of the code); the GM lists of all seven years give the ZF ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    MT1 Transmission, 4-speed automatic, heavy-duty, Hydra-Matic 4L80-E 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    MW3 Transmission, 5-speed manual, New Venture Gear 109 mm, 5.61 first gear 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    MW7 Transmission, 6 speed automatic, Allison LCT 1000, 3.10 first gear, 0.71 fifth gear, 0.62 sixth gear, overdrive, converter clutch 2006–2007 GM prints the converter clutch as Conv Clutch ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NP1 Transfer case, electric shift, 2-speed 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NP2 Transfer case, manual shift, 2-speed 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NP8 Transfer case, active (Autotrac), 2-speed, push-button control 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NR4 Transfer case, 4WD, open differential, 2-speed 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed

    Axles

    Code Description Years Models/Notes Confidence
    G80 Rear axle, Positraction limited-slip 2001–2007 the Sierra GMT800 doc reads it as a locking differential, from GM’s 1999–2000 lists; all seven of this doc’s lists print Positraction limited slip ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    G86 Rear axle, limited-slip differential 2002–2005 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    GT4 Rear axle ratio 3.73 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    GT5 Rear axle ratio 4.10 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    GTY Rear axle, wide track 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    YD7 Axle (with dual rear wheels R05) for GVW plate scheduling 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed

    Packages & Trims

    Code Description Years Models/Notes Confidence
    HOT Appearance package, GMC Hot Truck 2001–2005 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    NZZ Skid plate package (off-road) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    PR0 Appearance package, Sierra Professional 2002–2004 the 2003–2004 lists print PRO (letter O); the 2002 list prints PR0 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    U42 Rear seat entertainment package 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V10 Cold climate package 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VYU Snow plow prep package 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    WT1 Exterior appearance package 1 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YE9 Comfort and decor level 3 (uplevel decor) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    YF2 Ambulance upfitter package 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    Z85 Handling/trailering (increased capacity) suspension package 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ZQ1 Smooth ride chassis package 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZW7 Premium smooth ride chassis package 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZX3 Selectable ride control (manual select damping) suspension package 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed

    Equipment

    Code Description Years Models/Notes Confidence
    A04 Windshield, tinted, without upper shadeband 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    A28 Window, rear, sliding 2005–2007 ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    A31 Windows, power 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    A95 Seats, front buckets, high back, reclining 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AC6 Glass, deep tint, rear side doors 2003 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    AC7 Fuel tank fill pipe vent, unrestricted 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    AE7 Seats, front 40/20/40 split bench 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AG1 Seat adjuster, power, driver (6-way) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AG2 Seat adjuster, power, passenger (6-way) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AJ1 Glass, deep tint (all windows except windshield and front doors) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AM7 Seat, rear, folding 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AN3 Seats, front, full-feature individual seats 2001–2007 2001–2007 lists word it as individual (non-bucket) seats ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ANJ Glass, tinted, non-deep (export, E-marked) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    AU0 Keyless entry, remote 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AU3 Door locks, power 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    AU8 Remote function actuation, specific frequency 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    AX4 Seats and restraints, European conversion 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B30 Floor covering, carpet 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    B32 Floor mats, front, auxiliary 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    B33 Floor mats, rear, auxiliary 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    B34 Floor mats, front, carpeted insert 2003–2004 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B35 Floor mats, rear, carpeted insert 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B37 Floor mats, front and rear (intermediate), auxiliary 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B39 Floor covering, carpeted load floor / cargo mat 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B71 Wheel opening flares 2001, 2003–2007 the 2001 list words it as wheel opening flares; the 2003–2007 lists as molding, wheel opening, colored ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    B82 Exterior emblem, delete 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B85 Moldings, bodyside, bright 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    B96 Moldings, wheel opening 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BD2 Exterior ornamentation, delete 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BG9 Floor covering, rubber 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    BVE Running boards / assist steps, chrome tubular 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BVF Running boards, color-keyed 2001–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BVS Running boards / assist steps, color (black) 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BW1 Exterior ornamentation, rear end 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    C42 Heater, outside air, deluxe 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C49 Defogger, rear window, electric 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C4M GVW rating, 9,900 lb 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C5F GVW rating, 8,500 lb 2001–2005 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    C60 Air conditioning, front, manual controls 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    C68 Air conditioning, front, automatic electronic climate control 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    C6P GVW rating, 8,600 lb 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C6W GVW rating, 9,200 lb 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C6Y GVW rating, 9,600 lb 2006–2007 ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C7L GVW rating, 12,000 lb 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C7W GVW rating, 11,400 lb 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    C85 Fog lamps, suppressed when headlamps are on (export) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    C86 Manual transmission shift indicator lamp (tell-tale) suppression 2001, 2003–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    CF5 Sunroof, power, sliding glass 2001–2003, 2005–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    CJ2 Air conditioning, dual-zone automatic 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    CJ3 Air conditioning, dual-zone manual 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    D07 Console, floor, front compartment (custom) 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    D44 Mirrors, outside, base (color/black) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    D48 Mirrors, outside, power remote control 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    D55 Console, floor, seat separator 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DE2 Mirrors, outside, manual, folding 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DF2 Mirrors, outside, wide load (camper style), folding, stainless steel 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DF5 Mirror, inside rearview, auto-dimming with compass and outside temperature display 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DG5 Mirrors, outside, wide load, large (West Coast style) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DH2 Sunshades with illuminated vanity mirrors (dual sunshade) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DK2 Mirrors, outside, power, heated, color 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DK6 Console, overhead (bucket seat, long) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DK7 Console, overhead (custom) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DK8 Console, overhead (deluxe) 2001, 2005–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DL3 Mirrors, outside, power, heated, power folding, turn signal, driver auto-dimming 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DL8 Mirrors, outside, power, heated 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DNH Storage box, rear underseat 2005–2007 the 2006–2007 lists misprint Rear as Right ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DP1 Mirror provisions, convex glass 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DPF Mirrors, outside, wide load (camper style), power, heated 2003–2005 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DPN Mirrors, outside, wide load, vertical glass, manual extending and folding, heated, power, turn signal 2006–2007 ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    DR2 Mirrors, outside, power, heated, auto-dimming, manual folding 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DT4 Ashtray and cigarette lighter 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    E37 Pickup box, composite inner, dark color 2001–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    E63 Pickup box, Fleetside (Wideside) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    E95 Tonneau cover 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    EN6 Tonneau cover, hard, folding 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ESC Individual front seats with floor console provisions 2003–2004 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    F60 Springs, front, heavy-duty (increased torsion bar rate) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    FF4 Torsion bar adjuster, left (C) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FF5 Torsion bar adjuster, right (D) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FF6 Torsion bar adjuster, left (E) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FF7 Torsion bar adjuster, right (F) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FF8 Torsion bar adjuster, left (G) 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FF9 Torsion bar adjuster, right (H) 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FK2 Torsion bar adjuster, left (A) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FK3 Torsion bar adjuster, right (B) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FNF Power take-off (PTO) provisions, front 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FT2 Torsion bar adjuster, left (FT2) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FT3 Torsion bar adjuster, right (FT3) 2002, 2004 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FW1 Ride and handling, manual electric control 2001–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    GEC GVW rating, 9,800 lb 2006–2007 ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    HVY Identification, 2 in body raise (HD model) 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    J81 Fog lamp / indicator switch, export 2001–2003 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JC3 Brakes, vacuum power, 4-wheel disc, 6,400 lb 2003–2005 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JC5 Brakes, vacuum power, 4-wheel disc, 7,200 lb 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JE1 Brake system, Europe 2002 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JH5 Brakes, hydraulic (hydroboost) power, 4-wheel disc, 7,200 lb 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JH6 Brakes, hydraulic power, 4-wheel disc, 9,900 lb 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    JH7 Brakes, hydraulic power, 4-wheel disc, 12,000–12,300 lb 2001, 2003–2007 the 2001 list gives 12,000 lb; the 2003–2007 lists give 12,300 lb ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    JL4 Active brake control 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    JVA Antilock brakes, delete 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    K05 Engine block heater 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    K18 Air injection reactor (AIR) pump, electric 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    K34 Cruise control 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    K47 Air cleaner, high-capacity 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    K53 Fuel sender, robust fuel system (international) 2001–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    K65 Alternators, dual 105 amp 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    K68 Alternator, 105 amp 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    KC4 Engine oil cooler, heavy-duty 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    KC5 Accessory electrical receptacle 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    KG3 Alternator, 145 amp 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    KG8 Alternator, 130 amp 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    KL5 Engine modification, natural gas (conversion-ready engine) 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    KL6 Provisions, natural gas 2003–2005 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    KL7 Conversion, propane (LPG) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    KL8 Conversion, natural gas (CNG) 2001, 2003–2005 the 2001 list says propane but marks it CNG; KL7 is the propane conversion ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    KNP Transmission oil cooler, heavy-duty (auxiliary) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    KUP Throttle control, electronic 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    M1F Power take-off (PTO) provisions, rear 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    MTF Provisions, fire extinguisher mounting 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    N05 Fuel filler cap, locking 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    N88 Wheels, 17 x 7.5 aluminum, premium 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    NP5 Steering wheel, leather-wrapped 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NP7 Steering column, EEC approved 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    NPL Nameplate, delete 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    NQZ Fuel tank, auxiliary, rear-mounted, 18 gallon, delete 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NW7 Traction control 2001–2007 2003–2007 lists: powertrain management only ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NYS Four-wheel steering (Quadrasteer) 2002–2005 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    P03 Wheel covers / hub caps, bright 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    P06 Wheel trim rings with bright hub caps 2001, 2003–2007 the 2001 list words it as bright rally trim rings with bright hub caps, the 2003–2007 lists as wheel trim discs ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    PPB Pickup box extender 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    PTO Engine controls for power take-off (PTO) 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    PUB Pickup box rail caps / protectors 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    PY0 Wheels, 16 x 6.5 aluminum 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    PY2 Wheels, 16 x 6.5 chrome appearance 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    QBN Tires, all: LT245/75R16C, on/off-road, blackwall 2001–2003 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    QBX Tires, all: LT245/75R16C, on/off-road, white outline lettered 2001–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    QC1 Wheels, 16 x 7 steel 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    QC3 Wheels, 16 x 7 aluminum, special 2001–2003 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    QC4 Wheels, 16 x 7 aluminum, custom 2003–2004 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    QER Tires, all: LT265/75R16E, on/off-road, blackwall 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    QIW Tires, all: LT245/75R16E 120Q, on/off-road, blackwall 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    QIX Tires, all: LT265/75R16C 120Q, on/off-road, blackwall 2001, 2003 the 2003 list prints LT245/75R16C (265 is the reading in the corpus majority) ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    QIZ Tires, all: LT245/75R16E 120Q, all-season, blackwall 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    QLP Tires, all: LT245/75R16E 120/116S, all-season, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    R4W Tire brand, all Michelin 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    R4Y Tire brand, all Goodyear 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    R5C Tire brand, all Bridgestone 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    SAF Spare tire lock 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    SRW Chassis, single rear wheel ride and handling 2004–2007 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    SSL Ornamentation, exterior, nameplate, GMC Sierra SL 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T2J Interior ornamentation, export requirements 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T62 Daytime running lamps, delete 2002–2007 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    T65 Daytime running lamps, export (European) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T74 Headlamp control, automatic with delay 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T78 Headlamp control (automatic), delete 2002–2007 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    T79 Fog lamp, rear 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T84 Headlamps, right-hand rule of road, E-marked (export) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T89 Tail and stop lamps, export 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T96 Fog lamps, front 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    T9H Provisions, front fog lamps 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    TP2 Battery, auxiliary (dual battery provisions) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    TQ3 Batteries, dual 770 CCA 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    TR2 Turn signal lamps, side repeater / enlarged (export) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    TR3 Grille, body color with chrome emblem / chrome surround 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    TR6 Headlamp leveling, manual 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    TRW Provisions for roof-mounted (emergency) lamps 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    TS9 High-mounted stop lamp, delete 2004–2005 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    U01 Roof marker lamps (five) 2001, 2003–2007 the 2001 list prints it with a letter O (UO1) ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    U19 Speedometer, kilometers and miles, kilometer odometer 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    U1Z Multiple CD player (changer), passenger compartment 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    U2J XM Satellite Radio (S-band), not installed 2006–2007 ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    U2K XM Satellite Radio (S-band digital audio) 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    U2L Digital audio system, L-band 2003 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    U34 Temperature display, Celsius 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    U68 Driver information center (trip computer) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UB0 Radio, AM/FM stereo, CD, auto tone control, RDS, clock 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UB1 Radio, AM/FM stereo, cassette and CD, auto tone control, RDS, clock 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UB2 Radio, AM/FM stereo, cassette and multiple-CD changer, auto tone control, clock 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UB8 Horn, high note 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UC2 Speedometer, kilometers and miles, kilometer odometer, positive bias (European) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UC6 Radio, AM/FM stereo, 6-disc CD changer, RDS, auto tone control, clock 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UD4 Vehicle speed alarm, 120 km/h (overspeed warning) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UD7 Rear parking assist 2002 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UE1 OnStar communication system (GPS) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UJ6 Low tire pressure indicator 2005–2007 ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UK3 Steering wheel radio (accessory) controls 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UK6 Rear seat radio controls with earphone jacks 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UL0 Radio, AM/FM stereo with cassette (European) 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UL1 Radio, AM/FM stereo, seek/scan, clock (European frequencies) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UL4 Radio frequencies, South American 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UL5 Radio, delete 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UL8 Radio frequencies, Saudi Arabian 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UL9 Radio, AM/FM stereo, cassette and CD, auto tone control, clock, Bose 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UM6 Radio, AM/FM stereo, seek/scan, auto-reverse cassette, clock 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UM7 Radio, AM/FM stereo, seek/scan, clock (base) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UN0 Radio, AM/FM stereo, seek/scan, CD, auto tone control, clock 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UP0 Radio, AM/FM stereo, seek/scan, cassette and CD, auto tone control, clock 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UQ3 Speaker system, performance (enhanced audio) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UQ5 Speaker system, base (four speakers) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UQ7 Speaker system, premium, Bose 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UQ9 Speaker system, delete 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UW3 Radio, AM/FM stereo with Radio Data System (RDS), cassette 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    UY2 Wiring provisions, camper and fifth-wheel trailer 2001–2007 the 2005 list’s light-duty half gives UY2 a second wording (power outlets), not used here ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    UY7 Wiring harness, trailer, heavy-duty 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    V22 Grille, chrome 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V43 Bumper, rear step, painted 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V76 Tow hooks, front 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V92 Trailer provisions 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VB3 Bumper, rear step, chrome with impact strip 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VB5 Bumper, front, color 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VF7 Bumper, rear step, delete 2002–2007 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VFF Video format, region 1 NTSC 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VFJ Video format, region 2 PAL 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VFM Video format, region 4 NTSC 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VFP Video format, region 5 PAL 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VG3 Bumper, front, chrome with impact strip 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VK3 Front license plate mounting package 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VP6 Noise control 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VR4 Trailer hitch, weight-distributing platform 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VR7 Tow hook, second, rear (recovery) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VSP Pickup box, dual rear wheels 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XBN Tire, front: LT245/75R16C, on/off-road, blackwall 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XBX Tire, front: LT245/75R16C, on/off-road, white outline lettered 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XEC Tire, front: LT215/85R16E, highway, blackwall 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    XEF Tire, front: LT215/85R16E, on/off-road, blackwall 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    XER Tire, front: LT265/75R16E, on/off-road, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XGK Tire, front: LT245/75R16E 120Q, on/off-road, blackwall 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XGL Tire, front: LT265/75R16C, on/off-road, blackwall 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XHH Tire, front: LT245/75R16E 120Q, all-season, blackwall 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XLP Tire, front: LT245/75R16E 120/116S, all-season, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    XYK Tire, front: LT215/85R16D, highway, blackwall 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    XYL Tire, front: LT215/85R16D, on/off-road, blackwall 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    YB3 Clutch driven plate, delete 2003–2007 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    YBN Tire, rear: LT245/75R16C, on/off-road, blackwall 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YBX Tire, rear: LT245/75R16C, on/off-road, white outline lettered 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YD6 Spring, rear, base equipment 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YEC Tire, rear: LT215/85R16E, highway, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YEF Tire, rear: LT215/85R16E, on/off-road, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YER Tire, rear: LT265/75R16E, on/off-road, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YGK Tire, rear: LT245/75R16E 120Q, on/off-road, blackwall 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YGL Tire, rear: LT265/75R16C, on/off-road, blackwall 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YHH Tire, rear: LT245/75R16E 120Q, all-season, blackwall 2001–2002, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YLP Tire, rear: LT245/75R16E 120Q, all-season, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YYK Tire, rear: LT215/85R16D, highway, blackwall 2001, 2003–2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    YYL Tire, rear: LT215/85R16D, on/off-road, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    Z5X Mirror provisions, Arabic language 2002–2007 ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    Z82 Trailering provisions, heavy-duty 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ZBN Tire, spare: LT245/75R16C, on/off-road, blackwall 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZBX Tire, spare: LT245/75R16C, on/off-road, white outline lettered 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZEC Tire, spare: LT215/85R16E, highway, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZEF Tire, spare: LT215/85R16E, on/off-road, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZER Tire, spare: LT265/75R16E, on/off-road, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZGK Tire, spare: LT245/75R16E 120Q, on/off-road, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZGL Tire, spare: LT265/75R16C, on/off-road, blackwall 2001–2002 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZHH Tire, spare: LT245/75R16E 120Q, all-season, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZLP Tire, spare: LT245/75R16E 120/116S, all-season, blackwall 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZW9 Base body or chassis (pickup box delete) 2001–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ZYK Tire, spare: LT215/85R16D, highway, blackwall 2001, 2003–2007 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    ZYL Tire, spare: LT215/85R16D, on/off-road, blackwall 2001, 2004 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5B5 Power windows and mirrors (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5G4 Provisions for cab roof-mounted lamp (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5M5 Transmission equipment, manual (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5T5 Seat override (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5V1 Spare wheel carrier without tire (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5X7 Provisions for body-mounted warning lamp (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5X9 Provisions, wrecker preparation (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    5Y0 Wiring provisions for body-builder emergency lamp (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    6C7 Dome / reading lamps, passenger (roof console with reading lamps) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    6E2 Single-key lock cylinders, coded DF81 (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    6E8 Single-key lock cylinders, coded NU97 (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    7T6 Fuel line take-off fitting (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    7Y9 Battery, single 770 CCA (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    7Z1 Horn, high note (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8A7 Alternator, 130 amp (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8B0 Batteries, 770 CCA and 600 CCA (dual) (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8E8 Bumper, front, painted black (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8E9 Bumper, front, painted white (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8F6 Exterior ornamentation, uplevel, shipped loose (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8G9 Mirrors, outside, wide-loop, stainless steel (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8S3 Back-up alarm, 97 dB (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8S8 Wiring provisions, odometer security (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8T7 Front axle half-shaft protective boot/cover (4WD) (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8X5 Alternators, dual 105 amp (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8Y8 Batteries, dual 600 CCA (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    8Y9 Batteries, dual 770 CCA (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    9F8 Mirrors, outside, wide load, large (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    9L4 Power supply, 12-volt (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    9N8 Mirrors, auxiliary outside spot, 6 in convex, stainless steel (SEO) 2001 ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed

    Paint

    Code Description Years Models/Notes Confidence
    ZY1 Paint scheme, solid 2003–2004 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    ZY2 Paint scheme, two-tone 2003–2004 ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    01L Secondary exterior color, special 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    01U Primary exterior color, special 2004 ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed

    Internal / Process

    Code Description Years Models/Notes Confidence
    ARL Plant code: Arlington, Texas 2002 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    B4L Label, price, refer to geographic chart 2003–2005 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    BAG Parts package, export (overseas shipping) 2001–2007 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    BL4 Label, price, refer to geographic chart 2006–2007 internal code ⛭ GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    CKD Vehicle completely knocked down (CKD) export assembly 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    CMD Plant code: Flint, Michigan (truck) 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    DNR Equipment, dealer installed 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    EVA Test, DVT evaporative emission requirement 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    EXP Export processing 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    F0F Fleet incentive: Tourism Industry Inc. (Budget Sales and Leasing) 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    FE9 Emissions, Federal 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    FWI Plant code: Fort Wayne, Indiana 2002, 2004 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    GMC Plant code: Pontiac East, Michigan 2002, 2004 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    MEX Plant code: Toluca, Mexico 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    NA1 Emissions, GVW 8,500 lb or less 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NA4 Emissions, GVW over 8,500 lb 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NC1 Emissions, California LEV 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NC8 Emissions, California ULEV 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NE1 Emissions certification, geographically restricted registration (up to 14,000 lb GVW) 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NF2 Emissions, Federal Tier 1 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NF4 Emissions, clean fuel fleet 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NF9 Emissions, general (export) 2003–2007 2003–2004 lists: general unleaded; 2005–2007: general with OBD malfunction-lamp suppression internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    NU4 Emissions, California Level 2 Plus 2004–2007 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    OSG Plant code: Oshawa, Ontario (truck) 2002–2004 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    P96 Mexican modification, mandatory base equipment 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    T7L Miscellaneous equipment for Central America (GMM controlled) 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T8Z Emissions, Mexico low emission vehicle 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    T98 Vehicle identification number stamping 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    TZ3 Emissions, Mexico level (GMM calibration) 2005 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    V60 Vehicle statement, Gulf States, incomplete vehicle 2001, 2003–2007 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V73 Vehicle statement, USA/Canada 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V78 Vehicle statement, delete 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V87 Vehicle statement, Gulf States 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    V98 Factory delivery processing 2002, 2004 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VBX Label, Arabic language 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VC0 Label, noise control information 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VC4 Label, price and fuel economy, Puerto Rico and US Virgin Islands 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VC5 Label, shipping, except US, US possessions or Japan 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VC7 Label, price and fuel economy, Guam 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VCL Emissions certification, clean fuel vehicle (fleet) 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VD1 Provisions, Europe 2002 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VG8 Label, notice to buyer 2003–2005 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VGC Paint etch protective film (shipping) 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VJ3 Label/plate, ECE approval and vehicle identification 2002–2003, 2005–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VJ4 Label, export child seat location 2002 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VJ7 Label, unleaded fuel only 2002, 2005 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VP3 Noise control, European provisions 2002 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VPH Vehicle preparation, overseas delivery 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VR6 Hooks, tie-down, shipping 2001–2007 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VXS Vehicle complete 2002, 2004 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VXT Vehicle incomplete 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    VZ2 Speedometer calibration A 2001–2007 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    VZ3 Label, mercury disposal notification 2004 internal code ⛭ GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    W86 Miscellaneous equipment for Venezuela (GMV controlled) 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    W87 Parts, North American, sourced in Venezuela (GMV controlled) 2002 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    W99 Miscellaneous equipment for Venezuela (GM platform controlled) 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    X44 Parts, North American sourced, shipped to outside supplier and checked (GMCL controlled) 2003 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 confirmed
    X52 Miscellaneous equipment for Guam, Puerto Rico and US Virgin Islands 2003–2007 internal code ⛭ GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    YF5 Emissions, California 2005–2007 internal code ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    Z49 Canadian modification, mandatory base equipment 2002–2007 internal code ⛭ GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    Z88 Conversion nameplate / market brand: GMC 2001–2007 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 · 2002 gmc gmc c sierra 2wd rpo code list, p.1 · 2003 gmc gmc c sierra 2wd rpo code list, p.1 · 2004 gmc gmc c sierra 2wd rpo code list, p.1 · 2005 gmc gmc c sierra 2wd rpo code list, p.1 · 2006 gmc gmc c sierra 2wd rpo code list, p.1 · 2007 gmc sierra classic 2wd rpo code list, p.1 confirmed
    5M7 Speedometer calibration provisions (SEO) 2001 internal code ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1 confirmed

    Sources

    Factory documents (T1)

    Other sources

    • NICB Passenger Vehicle Identification Manual, 2001 and 2003 editions, GM sections (docs/reference/nicb/nicb2001-gm.txt p.84, nicb2003-gm.txt p.78) — full-size truck 2500 (3/4 ton) and 3500 (1 ton) lines, 4x2 and 4x4, and the 8.1L gasoline and 6.6L diesel engine lines (T4, context only).
    • GMT Central, GM RPO Code Decoder — https://gmtcentral.com/gm-rpo-code-decoder/ — queried 2026-10-14 through its search endpoint https://gmtcentral.com/wp-json/gmrpo/v1/search?q=CODE, one code at a time with a two-second pause (T3, meanings only: the dictionary has no years or vehicles). It agrees on L18, LB7, LLY, LBZ, M74, MW7, MT1, MW3, M96, NP1, NP2, NP8, LQ4, C6P, C6W, C7W, C7L, HVY, KNP, GT4, GT5, JH7 (12,000 lb) and KL8; it words ML6 as a New Venture Gear 120 mm 6 speed manual, L31 as a Mexico export engine and Z82 as a Reese-type hitch package. No block or error was met.