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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-gmt400.md

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    Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Sierra — GMT400 (1988–2000) page.

    GMC Sierra — GMT400 (first "Sierra" nameplate generation) (1988–2000)

    The NICB VIN manuals for 1990 to 1998 print "Conventional Cab GMT400" 4x2 and 4x4 in their generic GM truck VIN tables without naming a model, and Wikipedia's Chevrolet C/K article says all GMC pickups became Sierras in this generation. GM's own RPO lists exist only for 1997 to 2000: GMC C pickup (2WD) and K pickup (4WD) lists for 1998, 1999 and 2000, and natural gas (CNG) lists for 1997 to 2000 (the 1997 list holds only the three natural gas codes). These lists are word for word the Chevrolet C/K pickup lists; the 1998 and 1999 lists are also the Suburban, Tahoe and Yukon lists, and the 1999 and 2000 lists are also the Cadillac Escalade lists (the Escalade, Suburban, Tahoe and Yukon share this truck platform), so a code cited only to them may be SUV equipment, and no source shows which rows the Sierra actually offered. No GM list covers 1988 to 1996, so the rows start in 1997 (natural gas) and 1998; codes naming another vehicle or brand (the rear Suburban seat, the Utility/Suburban feature package, the Chevrolet name plate, a Pontiac cloth seat adjuster) are left out.

    Codes

    Engines

    Code Description Years Models/Notes Confidence
    KL5 Engine, 6.0L V8, gaseous fuel 1997–2000 the 1997–2000 CNG lists word it as the engine; the C and K pickup lists word it as an engine modification for natural gas ⛭ GM factory document — 1997 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1998 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd cng rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd cng rpo code list, p.1 confirmed
    L29 Engine, 7.4L V8, multiport fuel injection 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    L30 Engine, 5.0L V8, CPI 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    L31 Engine, 5.7L V8, CPI 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    L35 Engine, 4.3L V6, CPI 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    L56 Engine, diesel, 6.5L V8, turbo 1998–2000 L65 prints the same wording ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    L65 Engine, diesel, 6.5L V8, turbo 1998–2000 L56 prints the same wording ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Transmissions

    Code Description Years Models/Notes Confidence
    M30 Transmission, 4L60-E, 4 speed automatic, electronic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    M50 Transmission, manual, 5 speed, New Venture Gear 1998 M50, MG5 and MW3 print the same wording ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    MG5 Transmission, manual, 5 speed, New Venture Gear 1998 M50, MG5 and MW3 print the same wording ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    MT1 Transmission, 4L80-E, 4 speed automatic, electronic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    MW3 Transmission, manual, 5 speed, New Venture Gear 1998–2000 M50, MG5 and MW3 print the same wording ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NP1 Transfer case, electronic shift, two speed 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NP8 Transfer case, two speed, pushbutton control 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Axles

    Code Description Years Models/Notes Confidence
    G80 Axle, rear, Positraction 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GK9 Axle, rear, 4.63 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GT4 Axle, rear, 3.73 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GT5 Axle, rear, 4.10 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GTY Axle, wide track 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GU4 Axle, rear, 3.08 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GU6 Axle, rear, 3.42 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    HC4 Axle, rear, 4.56 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    HC7 Axle, rear, 5.13 ratio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YA9 Axle, 3400 lbs 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Packages & Trims

    Code Description Years Models/Notes Confidence
    BYP Sales package, sport equipment 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KL6 Vehicle package, bi-fuel gaseous fuel 1997–2000 the C and K pickup lists word it as natural gas provisions ⛭ GM factory document — 1997 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1998 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd cng rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd cng rpo code list, p.1 confirmed
    KL8 Vehicle package, dedicated gaseous fuel 1997–2000 only in: CNG ⛭ GM factory document — 1997 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1998 gmc gmc c pickup 2wd cng rpo code list, p.1 · 1999 gmc gmc c pickup 2wd cng rpo code list, p.1 · 2000 gmc gmc c pickup 2wd cng rpo code list, p.1 confirmed
    NZZ Sales package, skid plate, off road sport 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    PAC Police conversion sales package, base 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    POD Police conversion sales package, uplevel 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VAJ Package, roadside service program 1999 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Y91 Sales package, luxury (GMT 425) 1998–2000 GM prints "GMT 425" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YE9 Convenience package, comfort and decor level 3 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YF2 Sales package, ambulance upfitter 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YF7 Sales package, recreational vehicle upfitter 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z56 Police conversion chassis package 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z71 Chassis package, off-road 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZP6 Sales package, combination rear window wiper and rear window defogger 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Equipment

    Code Description Years Models/Notes Confidence
    1M1 Marking, U.S. Army, reflective white 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    1M3 Marking, U.S. Navy, reflective white 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    27A Stripe, accent color, Light Indigo/Dark Indigo 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    31A Stripe, accent color, Light Silver/Dark Indigo 1998 GM prints "SIlver" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    3EC Tire, rear, LT215/85R16E BL R/ST TL HWY 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    3ED Tire, rear, LT215/85R16E BL R/ST ST TL ALS 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    4BL Tire, spare, LT265/75PR16D RWL R/PE ST TL AT 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    4EC Tire, spare, LT215/85R16E BL R/ST ST TL HWY 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    4ED Tire, spare, LT215/85R16E BL R/ST ST TL ALS 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    51A Stripe, accent color, Gunmetal/Ultra Silver 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    56A Stripe, accent color, Medium Beige/Black 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6DC Compartment, front left-hand, computer selected suspension 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GC Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GF Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GG Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GH Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GK Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GL Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6GR Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WF Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WK Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WL Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WN Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WP Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WS Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WW Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6WZ Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6XA Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6XC Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6XD Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6XJ Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6Y4 Spare wheel and tire, delete 1999–2000 GM prints "Delee" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    6YB Suspension, front left-hand, computer selected 1999–2000 GM prints "Supension" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7DC Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GC Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GF Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GG Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GH Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GK Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7GL Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WF Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WK Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WL Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WN Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WP Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WS Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WT Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WX Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7WZ Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7XA Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7XC Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7XD Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7XJ Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    7YB Suspension, front right-hand, computer selected 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    80A Stripe, accent color, Gunmetal/Light Silver 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    81A Stripe, accent color, two tone, Gunmetal/Light Pewter 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    82A Stripe, accent color, two tone, Light Silver/Dark Green 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    83A Stripe, accent color, Green/Ultra Silver 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    84A Stripe, accent color, Light Silver/Dark Indigo 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    87A Stripe, accent color, Light Silver/Medium Red 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    94A Stripe, accent color, two tone, Medium Gold/Dark Gold 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    95A Stripe, accent color, two tone, Light Pewter/Gunmetal 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A20 Window, rear quarter, swing out 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A21 Window, non encapsulated glass 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A28 Window, rear, full width, sliding 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A31 Window, power 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A50 Seat, front bucket 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A52 Seat, front bench 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    A95 Seat, front bucket, high back, driver and passenger reclining 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AE7 Seat, front bench, 60/40 split, easy entry, driver and passenger 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AG2 Adjuster, front passenger seat, power 6 way 1998–2000 the 1999–2000 lists add "Req. IP2"; the 1998 list words it as a passenger seat adjuster, power 6 way ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AJ1 Window, tinted deep, all except windshield and front doors, solar privacy glass 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AJ3 Restraint, front seat, driver inflatable 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AL3 Restraint, front seat, driver inflatable, delete 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AM7 Seat, rear, folding 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    APC Provisions, front bucket seating 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    APD Provisions, front bench seating 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AT5 Seat, rear, folding, center 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ATZ Seat, rear, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AU0 Lock control, remote entry 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AU3 Locks, power door 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    AU6 Lock, end gate, electric, remote release 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B30 Floor covering, carpet 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B32 Auxiliary floor covering, front floor mats 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B33 Auxiliary floor covering, rear floor mats 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B34 Floor mats, front, carpeted 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B35 Floor mats, rear, carpeted 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B37 Floor covering, auxiliary, front and rear 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B39 Floor covering, carpeted floor mat 1998–1999 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B58 Floor covering mats, front and rear, carpeted insert 1999 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B71 Molding, wheel opening, colored 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B85 Molding, body side, exterior 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B96 Molding, wheel opening 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    BG9 Floor covering, rubber 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    BNP Molding, wheel opening, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    BVE Steps, running board 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    BZY Liner, pickup box 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C25 Wiper system, rear window 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C36 Heater, auxiliary 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C3F GVW rating, 7700 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C49 Defogger, rear window, electric 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C51 GVW rating, 8050 lbs 1998–2000 the 1998 list prints C5I; the 1999–2000 lists print C51 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5B GVW rating, 15000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5M GVW rating, 6100 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5P GVW rating, 6250 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5Q GVW rating, 6300 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5S GVW rating, 6600 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5U GVW rating, 6800 lbs 1998–2000 the 1999–2000 lists print "6800KBS" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C5Z GVW rating, 7200 lbs 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C60 HVAC system, front air conditioning 1998–2000 the 1999–2000 lists print "Conditiong" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C69 HVAC system, rear air conditioning 1998–2000 the 1999–2000 lists print "Conditing" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6A GVW rating, 7300 lbs 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6E GVW rating, 9400 lbs 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6P GVW rating, 8600 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6U GVW rating, 9000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6W GVW rating, 9200 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C6Y GVW rating, 9600 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C7A GVW rating, 10000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C7E GVW rating, 11000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C7I GVW rating, 6450 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    C7L GVW rating, 12000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    D07 Console, front compartment, floor 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    D44 Mirror, outside, painted 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    D45 Mirror, outside, stainless steel 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    D48 Mirror, outside, remote control, electric 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    D55 Console, front compartment, floor 1998–2000 same wording as D07 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DD0 Mirror, outside, left-hand and right-hand, electric, heated, electrochromic 1998–2000 the 1999–2000 lists print DDO; the 1998 list and GM's other lists print DD0 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DD7 Mirror, inside rearview, light sensitive, compass 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DE2 Mirror, outside, left-hand and right-hand, folding, painted 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DF2 Mirror, outside, left-hand and right-hand, camper style, stainless steel 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DF5 Mirror, inside rearview, electrochromic, compass and outside temperature 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DG5 Mirror, outside, left-hand and right-hand, large, stainless steel 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DK6 Console, roof, interior 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    DR1 Mirror, outside, left-hand and right-hand, manual control 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    E24 Door, rear side hinged 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    E55 Body equipment, end gate 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    E62 Body equipment, stepside pickup box 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    E63 Body equipment, fleetside pickup box 1998–2000 GM prints "fleetside" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    EF1 Bumper provisions, rear, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    F44 Chassis, heavy duty 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    F48 Chassis, manual select damping 1998 GM prints "Dampening" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    F51 Shock absorbers, front and rear, heavy duty 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    F60 Spring, front, heavy duty 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    F61 Stabilizer shaft, rear 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF4 Torsion bar spring adjuster (C) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF5 Torsion bar spring adjuster (D) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF6 Torsion bar spring adjuster (E) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF7 Torsion bar spring adjuster (F) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF8 Torsion bar spring adjuster (G) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FF9 Torsion bar spring adjuster (H) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FG5 Shock absorbers, front and rear, gas, Delco/Bilstein, 46 mm 1998–2000 the 1999–2000 lists print "Billstein" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FK2 Torsion bar spring adjuster (A) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FK3 Torsion bar spring adjuster (B) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JB5 Brake system, power, front disc, rear drum, 6400 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JB6 Brake system, power, front disc, rear drum, 7200 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JB7 Brake system, power, front disc, rear drum, 8400 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JB8 Brake system, power, front disc, rear drum, 10000 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JD5 Brake system, dual power, front disc, rear drum, 6400 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JD6 Brake system, hydraulic power, front disc, rear drum, 7200 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JD7 Brake system, hydraulic power, front disc, rear drum, 8400 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JF9 Brake system, hydraulic power, four wheel disc 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K02 Fan, radiator booster 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K05 Heater, engine block 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K19 Air injection system, electric 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K34 Cruise control, automatic, electronic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K47 Air cleaner, high capacity 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K53 Fuel system, robust, fuel sensor 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K60 Generator, 100 ampere 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    K68 Generator, 105 ampere 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KA1 Seats, heated, driver and passenger, high back bucket with leather 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KC4 Cooling system, engine oil 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KG9 Generator, 140 ampere 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KNP Transmission, heavy duty cooling system 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KW2 Generator, 124 ampere 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KXB Generator, dual, 100 ampere 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    N33 Steering column, tilt type 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    N83 Wheel, 15 x 7, chrome styled 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    N90 Wheel, 15 x 7, aluminum cast, 4.75 inch bolt circle 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NM8 Fuel system, leaded fuel compatible 1998–2000 export fuel and emission calibration ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NP5 Steering wheel, leather wrapped 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NPL Plate, name 1999 1999 only; the 1998 and 2000 lists omit it ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NQZ Fuel tank, auxiliary, rear mounted, 18 gallon, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NRQ Exhaust, close coupled 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NY1 Shield, fuel tank 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    P06 Wheel, trim discs 1998–2000 all three lists print PO6; P06 in GM's other lists ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    PC5 Wheel, 15 x 7, steel styled 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    PF4 Wheel, 16 x 7, aluminum cast 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    PX2 Wheel, aluminum, chrome style 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Q2G Tire, all, P235/70R15 BW R/PE ST TL AL3 102V 1999–2000 GM prints P23570R15 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Q4B GVW rating, 6200 lbs 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QBN Tire, all, LT245/75R16/C BW R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QBX Tire, all, LT245/75R16/C WOL R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QFL Tire, all, P235/75R15 BW R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QFN Tire, all, P235/75R15 WL R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QGA Tire, all, P245/75R16 BW R/PE ST TL ALS 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QGB Tire, all, P245/75/R16 WOL R/PE ST TL ALS 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QGC Tire, all, P265/75/R16 BW R/PE ST TL ALS 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QGD Tire, all, P265/75/R16 WOL R/PE ST TL ALS 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QHA Tire, all, P235/75/R15/X BW R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QHM Tire, all, P235/75R15 WOL R/PE ST TL ALS 108S (X Load) 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QIW Tire, all, P245/75/R16 BL R/PE ST TL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QIZ Tire, all, P245/75/R16 BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    QMJ Tire, all, P265/70R16 BW R/PE ST TL AL2 111S 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    R04 Wheel, single rear 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    R05 Wheel, dual rear 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    R4J Tire brand, all, Goodrich 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    R4Y Tire brand, all, Goodyear 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    RHD Right-hand drive 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    RSA Restraint, front seat, 208, automatic, passive 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    RSB Restraint, front seat, 208, automatic, manual, active 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    T17 Tire brand, all, Firestone 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    T2H Ornamentation, exterior, export unique requirements 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    T62 Lighting, daytime running, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    T85 Headlamps, left-hand rule of road, E mark 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TL1 Grille, special 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TP2 Battery, auxiliary, camper 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TP3 Battery, dual, 600 CCA 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    U01 Lamp, roof marker, five 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    U19 Speedometer, instrument, kilometers and miles 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    U1Z Compact disc player, multiple, passenger compartment 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UC2 Speedometer, instrument, kilometers and miles, kilometer odometer, positive bias 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UD4 Alarm, vehicle speed, 120 km/h 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UG1 HomeLink 3-channel transmitter 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UK1 Radio, frequencies, Japanese 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UL0 Radio, AM/FM stereo, seek/scan, auto reverse cassette, music search 1998–2000 the 1999–2000 lists print ULO; the 1998 list and GM's other lists print UL0 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UL2 Radio, frequencies, European 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UL5 Radio, delete 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UM6 Radio, AM/FM stereo, seek/scan, auto reverse cassette, clock, ETR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UM7 Radio, AM/FM stereo, seek/scan, clock, ETR 1998–2000 the 1999–2000 lists print "Stero" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UN0 Radio, AM/FM stereo, seek/scan, compact disc, auto tone 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UP0 Radio, AM/FM stereo, seek/scan, auto reverse, music search, cassette, compact disc player, auto tone 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UQ3 Speaker system, performance enhanced radio 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UQ5 Speaker system, 4, dual front door mounted, dual extended range quarter mounted 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UV8 Mobile telephone provisions 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UW3 Radio, AM/FM stereo, seek/scan, auto reverse, music search 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    UY1 Wiring provisions, camper 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V10 Provisions, cold climate 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V22 Grille, chrome radiator 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V27 Guards, front bumper 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V43 Bumper, rear step, painted 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V54 Luggage carrier, roof, painted 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V76 Tow hook 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VB3 Bumper, rear step, chrome, impact strip 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VG3 Bumper, front, impact strip 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VK3 License plate, front mounting package 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VP6 Noise control 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VR4 Trailer hitch, weight distributing platform 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VWX Grille, base vehicle 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VYU Provisions, snow plow preparation 1998–2000 the 1999–2000 lists print "Provisiions" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XBN Tire, front, LT245/75/R16/C BL R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XBX Tire, front, LT245/75/R16/C WOL R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XFL Tire, front, P235/75/R15 ST TL ALS B/W 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XFN Tire, front, P235/75/R15/N WL R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XGA Tire, front, P245/75/R16 BW R/PE ST TL AT 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XGB Tire, front, P245/75/R16 WOL R/PE ST TL AT 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XGC Tire, front, P265/75/R16 BW R/PE ST TL AT 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XGD Tire, front, P265/75/R16 WOL R/PE ST TL AT 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XGK Tire, front, LT245/75/R16 BL R/PE ST OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHA Tire, front, P235/75/R15X BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHE Tire, front, LT235/75R16C BL R/PE ST ALS 1998 GM prints "LT235/75/R16C" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHH Tire, front, LT245/75/R16E BL R/PE ST ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHM Tire, front, P235/75/R15 WOL R/PE ST TL ALS 108S (X/LOAD) 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHP Tire, front, LT225/75/R16D BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XHR Tire, front, LT225/75/R16D BL R/PE ST TL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XMJ Tire, front, P265/70R16 BW R/PE ST TL AL2 111S 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XQG Tire, front, P235/70R15 BW R/PE ST TL AL3 102V 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XTN Tire, front, LT225/70R19.5F BW R/ST ST TL HWY 1998–2000 GM prints 225/70R9.5F; YTN and ZTN read LT225/70R19.5; the 1999–2000 lists end TWY, the 1998 list HWY like YTN and ZTN ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XYK Tire, front, LT215/85R16D BL R/PE ST TL OOR 1998–2000 the 1998 list prints XYK twice, once ending HWY (the XYL tire) and once OOR; the 1999–2000 lists print OOR only ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    XYL Tire, front, LT215/85R16D BL R/PE ST TL HWY 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YBN Tire, rear, LT245/75R16C BL R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YBX Tire, rear, LT245/75R16C WOL R/PE ST TBL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YD6 Spring, rear, base equipment 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YFL Tire, rear, P235/75R15 BW R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YFN Tire, rear, P235/75R15N RWL R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YG4 Seats, optional, not desired 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YG6 HVAC system, air conditioning 1999–2000 the 1999–2000 lists also print YG6 as a Holden conversion name plate, which is left out ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YGA Tire, rear, P245/75R16 BW R/PE ST TL AT 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YGB Tire, rear, P245/75R16 WOL R/PE ST TL AT 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YGC Tire, rear, P265/75R16 BW R/PE ST TL AT 114S 1998–2000 the 1999–2000 lists print lower case p ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YGD Tire, rear, P265/75R16 WOL R/PE ST TL AT 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YGK Tire, rear, LT245/75R16E BL R/PE ST OOR (9591214) 1998–2000 GM prints P245/75R16E; ZGK reads LT245/75R16E ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YHA Tire, rear, P235/75R15X BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YHH Tire, rear, LT245/75R16E BL R/PE ST ALS 1998–2000 GM prints P245/75R16E; XHH and ZHH read LT245/75R16E ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YHM Tire, rear, P235/75R15 WOL R/PE ST TL ALS 108S (X/LOAD) 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YHP Tire, rear, LT225/75R16D BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YHR Tire, rear, LT225/75R16D BL R/PE ST TL OOR 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YMJ Tire, rear, P265/70R16 BW R/PE ST TL AL2 111S 1999–2000 the 1999 and 2000 lists print LT215/85R16D BL R/PE ST TL HWY (a line shift; XMJ and ZMJ read P265/70R16 AL2 111S) ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YQG Tire, rear, P235/70R15 BW R/PE ST TL AL3 102V 1999–2000 GM prints lower case p ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YTN Tire, rear, LT225/70R19.5 BW R/ST ST TL HWY 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YYK Tire, rear, LT215/85R16D BL R/PE ST TL HWY 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YYL Tire, rear, LT215/85R16D BL R/PE ST TL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z5X Mirror provisions, Arabic language 1999–2000 GM prints "Lanuage" ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z81 Camper special 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z82 Trailer provisions, special equipment, heavy duty 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZBN Tire, spare, LT245/75R16C BL R/PE ST TBLE OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZBX Tire, spare, LT245/75R16C WOL R/PE ST TBLE OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZFL Tire, spare, P235/75R15 BW R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZFN Tire, spare, P235/75R15N RWL R/PE ST TL ALS 105S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZGA Tire, spare, P245/75R16 BW R/PE ST TL ALS 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZGB Tire, spare, P245/75R16 WOL R/PE ST TL AT 109S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZGC Tire, spare, P265/75R16 BW R/PE ST TL AT 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZGD Tire, spare, P265/75R16 WOL R/PE ST TL AT 114S 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZGK Tire, spare, LT245/75R16E BL R/PE ST OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZHA Tire, spare, P235/75R15X BW R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZHH Tire, spare, LT245/75R16E BL R/PE ST ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZHM Tire, spare, P235/75R15 WOL R/PE ST TL ALS 108S (X/LOAD) 1998–2000 the 1999–2000 lists print R14; the 1998 list, XHM and YHM read R15 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZHP Tire, spare, LT225/75R16D BL R/PE ST TL ALS 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZHR Tire, spare, LT225/75R16D BL R/PE ST TL OOR 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZMJ Tire, spare, P265/70R16 BW R/PE ST TL AL2 111S 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZQG Tire, spare, P235/70R15 BW R/PE ST TL AL3 102V 1999–2000 GM prints 102A; XQG and YQG read 102V ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZTN Tire, spare, LT225/70R19.5F BW R/ST ST TL HWY 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZW9 Body equipment, base body or chassis cab 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZYK Tire, spare, LT215/85R16D BL R/PE ST TL HWY 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZYL Tire, spare, LT215/85R16D BL R/PE ST TL OOR 1998–2000 the 1999–2000 lists print LT21585R16D ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Paint

    Code Description Years Models/Notes Confidence
    01L Paint, secondary exterior, special 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    01U Paint, primary exterior, special 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    11L Paint, secondary exterior, Pewter Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    11U Paint, primary exterior, Pewter Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    12U Paint, primary exterior, Linen White 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    14L Paint, secondary exterior, Storm Gray Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    14U Paint, primary exterior, Storm Gray Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    17U Paint, primary exterior, Silvermist Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    18U Paint, primary exterior, Dark Green Gray Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    19U Paint, primary exterior, Lamp Black 1998–2000 the 1999–2000 lists print "Balck" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    23U Paint, primary exterior, Ocean Blue 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    24L Paint, secondary exterior, Opal Blue 1998–2000 the 1999–2000 lists print "Bule" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    24U Paint, primary exterior, Opal Blue 1998–2000 disputed: each list (1998, 1999, 2000) prints 24U twice, once as Opal Blue and once as Medium Blue Metallic (34U is Medium Blue Metallic) ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 disputed
    25L Paint, secondary exterior, Bright Blue Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    29U Paint, primary exterior, Dark Blue 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    34U Paint, primary exterior, Medium Blue Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    35L Paint, secondary exterior, Laguna Green 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    35U Paint, primary exterior, Laguna Green 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    39L Paint, secondary exterior, Indigo Blue Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    39U Paint, primary exterior, Indigo Blue Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    41L Paint, secondary exterior, Black 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    41U Paint, primary exterior, Black 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    43L Paint, secondary exterior, Emerald Green 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    43U Paint, primary exterior, Emerald Green 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    46U Paint, primary exterior, Dark Green 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    50L Paint, secondary exterior, Olympic White 1998 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    50U Paint, primary exterior, Olympic White 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    51L Paint, secondary exterior, Dark Toreador Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    51U Paint, primary exterior, Dark Toreador Metallic 1998–2000 the 1999 and 2000 lists print 51u, lower case ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    552 Paint, secondary exterior, Light Autumnwood Metallic 1999–2000 GM prints "Autumwind"; GM's other lists print Autumnwood ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    60L Paint, secondary exterior 1999–2000 the 1999–2000 lists print 6OL; GM's other lists print 60L (Gold Metallic there) ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    60U Paint, primary exterior, Gold Metallic 1999–2000 the 1999–2000 lists print 6OU; 60U in GM's other lists ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    61U Paint, primary exterior, Tan 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    65L Paint, secondary exterior, Smokey Caramel Metallic 1998–2000 the 1999–2000 lists print Camel and the 1998 list Carmel; GM's other lists print Carmel/Caramel ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    65U Paint, primary exterior, Smokey Caramel Metallic 1998–2000 all three lists print Carmel; one other list prints Caramel ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    68U Paint, primary exterior, Meadow Green Metallic 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    69L Paint, secondary exterior, Copper Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    69U Paint, primary exterior, Copper Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    71U Paint, primary exterior, Red Orange 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    72U Paint, primary exterior, Standard Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    74L Paint, secondary exterior, Victory Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    74U Paint, primary exterior, Victory Red 1998–2000 the 1999–2000 lists print Victor; the 1998 and GM's other lists print Victory ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    90U Paint, primary exterior, Gray Metallic 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    91L Paint, secondary exterior, Dark Argent 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TGK Color combination, solid, special paint 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TGL Color combination, two tone, special paint 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZY1 Color combination, solid 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZY2 Color combination, two tone 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZY4 Color combination, deluxe two tone 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Interior Trim

    Code Description Years Models/Notes Confidence
    132 Trim combination, leather, Light Gray 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    13C Trim combination, cloth, Light Gray 1998–2000 the 1999–2000 lists print "Colth" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    13D Trim combination, cloth, Light Gray 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    13I Interior color, Light Gray 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    13V Trim combination, vinyl, Light Gray 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    262 Trim combination, leather, Navy 1998–2000 the 1999–2000 lists print "TrimCombination" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    26B Trim combination, cloth, Navy 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    26C Trim combination, cloth, Navy 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    26D Trim combination, cloth, Navy 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    26I Interior trim, Navy 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    26V Trim combination, vinyl, Navy 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    522 Trim combination, leather, Light Neutral 1998–2000 the 1999–2000 lists print "Combinatiion" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    52B Trim combination, cloth, Light Neutral 1999–2000 ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    52C Trim combination, cloth, Light Neutral 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    52D Trim combination, cloth, Light Neutral 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    52I Interior trim, Light Neutral 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    52V Trim combination, vinyl, Light Neutral 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    792 Trim combination, leather, Ruby Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    79C Trim combination, cloth, Ruby Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    79D Trim combination, cloth, Ruby Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    79I Interior trim, Ruby Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    79V Trim combination, vinyl, Ruby Red 1998–2000 ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Internal / Process

    Code Description Years Models/Notes Confidence
    APR Sales incentive, 2500 work truck 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ARL Plant, Arlington, TX, USA 1999 internal code plant code on the shared list; no source places Sierra production there ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    B4L Label, price, refer to geographic chart 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    BAG Parts package, export 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    CKD Vehicle, completely knocked down 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    CMD Plant, Flint, MI 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    EXP Export, international sales 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FE9 Certification, emission, federal 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    FW1 Plant, Fort Wayne, IN, GM NATG 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    GAM Vehicle, government 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    JAN Plant, Janesville, WI, GM NATG 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    KFU Fleet incentive, Consumers Energy 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    MSL Plant, Silao, Mexico 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NA1 Emission system, GVW less than 8500 lbs 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NA4 Emission system, GVW above 8500 lbs 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NA5 Emission system, federal, Tier 0 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NB2 Emission system, California, Tier 0 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NB6 Emission system, California, Tier 1 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NB8 Emission override, California system 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NC1 Emission system, California, LEV 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NC7 Emission override, federal system 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NF2 Emission system, federal, Tier 1 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NG1 Certification, emission, geographically restricted registration 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    NN8 Emission override, unleaded fuel, export 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    OSG Plant, Oshawa, Ontario, GM of Canada 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    SGB Form, advanced broadcast document 1999 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TFE Sales incentive, commitment plus 1999 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    TR2 Export, unique 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V60 Vehicle statement, Gulf States Organization, incomplete vehicle 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V73 Vehicle statement, US/Canada 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V78 Vehicle statement, delete 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V87 Vehicle statement, Gulf States Organization 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    V98 Factory delivery processing 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VB1 Label, shipping, Japan 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VC0 Vehicle label, noise control information 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VC4 Label, price and fuel economy, Puerto Rico and Virgin Islands 1998–1999 internal code the 1999 list prints "Lable" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VC5 Label, shipping, except for US, US possessions or Japan 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VC7 Label, price and fuel economy, Guam 1998–1999 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VG8 Label, vehicle, notice to buyer 1998–1999 internal code the 1999 list prints "Lable" ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VGC Paint etch protector film 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VK5 Seat, temporary, for shipping 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VL3 Label, mirror, outside warning 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VPH Vehicle preparation, overseas delivery 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VR6 Hook, tie down 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VS7 Vehicle, non-saleable 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VXS Vehicle, complete 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    VXT Vehicle, incomplete 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    W99 Equipment, miscellaneous, for Venezuela 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    WD1 Identification, pilot vehicle 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    X78 Equipment, Colombia 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    X81 Sales incentive, price leader 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YA7 Assembly line emission test, California 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YD3 Axle, front, for scheduling GVW plate 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YD7 Axle, for scheduling GVW plate, used with R05 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YF4 Vehicle engineering, hold order 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    YF5 Emission certificate, California 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z49 Export, Canadian modified mandatory base equipment 1998–2000 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    Z88 Conversion name plate, GMC Truck 1998–2000 internal code own-brand name plate ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 · 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZA6 Package, price leader, Canadian 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZA7 Package, value leader, Canadian 1998 internal code ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZK3 Design, pull-ahead, 99 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed
    ZN1 Sales package, export 1999–2000 internal code ⛭ GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1 · 2000 gmc gmc c pickup 2wd rpo code list, p.1 confirmed

    Sources

    Factory documents (T1)

    The K pickup (4WD) lists for 1998, 1999 and 2000 are word for word the C pickup lists of the same year (one piece of evidence per year); only the C pickup lists are cited.

    Other sources

    • NICB VIN manuals: docs/reference/nicb/nicb1991-gm.txt p.83, docs/reference/nicb/nicb1995-gm.txt p.83, docs/reference/nicb/nicb1998-gm.txt p.81 (generic GM truck VIN tables; "Conventional Cab GMT400", no model named).
    • https://en.wikipedia.org/wiki/Chevrolet_C/K — read 2026-10-07 by WebFetch, no block (GMC pickups became Sierras in this generation; adds no engine, transmission or plant list).