RPOARCHIVE
Loading index…

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

    GMC · 1982-1993

    Sonoma — first generation (1982–1993)

    sonoma · s-15

    139 option rows 139 RPO codes 12 model years
    96% Factory-verified
    • ✓ Factory-verified · 133
    • ● Confirmed · 0
    • ◑ Single-source · 6
    • ⚠ Disputed · 0

    Applicable options

    Documented RPO codes

    Have a VIN? Decode it at DecodeThis
    Model year
    Code Option Years Notes & factory source Confidence
    Engines
    L38 Engine, 2.5L L4, electronic fuel injection 1991–1993
    the kit pages print L38 for the 2.5L L4 where the earlier books print LN8; the 1991–1993 kit pages are Chevrolet pages; Sonoma years: Wikipedia's S-series engine table 1991–1993; shared S-series code; 1991–1993 rests on the Chevrolet-only S-10 books, so the row is single-source
    GM Heritage factory kit — 1991 Chevrolet S 10, p.9.
    GM Heritage factory kit — 1992 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1993 Chevrolet S 10, p.6.
    		Single-source
    LB4 Engine, 4.3L V6, electronic fuel injection 1988–1993
    1988–1990 from the joint S-10/S-15 pages; the 1991–1993 kit pages are Chevrolet pages; Sonoma years: Wikipedia's S-series engine table 1988–1993; Wikipedia names the 1991 Syclone's turbocharged 4.3L V6 LB4; shared S-series code; 1991–1993 rests on the Chevrolet-only S-10 books, so the row is single-source
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1991 Chevrolet S 10, p.9.
    GM Heritage factory kit — 1992 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1993 Chevrolet S 10, p.6.
    		Single-source
    LL2 Engine, 2.8L V6, electronic fuel injection 1986–1993
    1986–1990 from the joint S-10/S-15 pages; the 1991–1993 kit pages are Chevrolet pages; Sonoma years: Wikipedia's S-series engine table 1986–1993; shared S-series code; 1991–1993 rests on the Chevrolet-only S-10 books, so the row is single-source
    GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1991 Chevrolet S 10, p.9.
    GM Heritage factory kit — 1992 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1993 Chevrolet S 10, p.6.
    		Single-source
    LN8 Engine, 2.5L L4, electronic fuel injection 1985–1990
    the later books print L38 for the 2.5L L4 (see L38); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    LQ2 Engine, 2.0L L4, 2 barrel 1983–1984
    1984 from the kit's LQ2 engine page, whose applications line is illegible; Wikipedia's S-series engine table dates LQ2 1983–1984; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.44.
    		Factory-verified
    LQ7 Engine, 2.2L L4, diesel 1984
    requires B3J diesel equipment; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    		Factory-verified
    LR1 Engine, 1.9L L4, 2 barrel 1982–1985
    the 1982 page prints LRI; 1982 from the 1982 kit, a Chevrolet book with no S-15 page, and 1984 from the kit's LR1 engine page; Wikipedia names LR1 as the base engine of the first S-series pickups and dates it 1982–1985; shared S-series code; 1983–1985 cited from the joint S-10/S-15 pages of the S-10 kits; 1982 rests on the Chevrolet-only S-10 books, so the row is single-source
    GM Heritage factory kit — 1982 Chevrolet S 10, p.5.
    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.41.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    		Single-source
    LR2 Engine, 2.8L V6, 2 barrel 1982–1985
    1982 from the 1982 kit, a Chevrolet book with no S-15 page; Wikipedia's S-series engine table dates LR2 1982–1985; shared S-series code; 1983–1985 cited from the joint S-10/S-15 pages of the S-10 kits; 1982 rests on the Chevrolet-only S-10 books, so the row is single-source
    GM Heritage factory kit — 1982 Chevrolet S 10, p.5.
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    		Single-source
    L35 Engine, 4.3L V6, CPI 1992–1993
    Wikipedia names the L35 W-code engine in some 1992 and 1993 Sonomas and in the 1992 Sonoma GT, and its S-series engine table dates it 1992–1993; no S-10 or S-15 pickup page in the repository shows it for these years
    		 Single-source
    Transmissions
    MM4 Transmission, manual, 4 speed 1983–1987
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    		Factory-verified
    MM5 Transmission, manual, 5 speed, overdrive 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.66.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.11.
    		Factory-verified
    MX0 Transmission, 4 speed automatic, overdrive 1983–1990
    the 1983–1990 pages print MXO; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.11.
    		Factory-verified
    MX1 Transmission, 3 speed automatic 1983–1984, 1987
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.9.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.20.
    		Factory-verified
    Axles
    G80 Axle, rear, locking differential 1983–1990
    the 1986–1987, 1990 pages print G8O; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.13.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    GQ1 Axle, rear, standard ratio 1983–1989
    the power team charts print GQ1 in the standard ratio column beside the optional ratio codes; 1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.20.
    		Factory-verified
    GT4 Axle, rear, 3.73 ratio 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    		Factory-verified
    GU4 Axle, rear, 3.08 ratio 1983–1984
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    		Factory-verified
    GU6 Axle, rear, 3.42 ratio 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    		Factory-verified
    H04 Axle, rear, 4.11 ratio 1983–1989
    the 1989 page prints HO4; 1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.20.
    		Factory-verified
    Packages & Trims
    B3J Equipment, diesel 1983–1985
    required with the LQ7 2.2L diesel; 1983 from the diesel rows of the model selector (E63/B3J); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.43.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.18.
    		Factory-verified
    X81 Model, Special 1986–1990
    the economy model; the joint books print EL/Special, the Chevrolet and GMC names; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.2.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.10.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.74.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.7.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.13.
    		Factory-verified
    X96 Model, standard 1986–1990
    the joint model selectors print E63/X96 for the standard model beside E63/X81 for the EL/Special; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.2.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.10.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.74.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.7.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.13.
    		Factory-verified
    X97 Option package, Special 1986–1989
    the joint books print EL/Special, the Chevrolet and GMC names; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    YC1 Trim package, High Sierra 1983–1990
    the 1984, 1989 pages print YCI; the joint pages print it as Durango/High Sierra, the Chevrolet and GMC names; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.95.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.10.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    YC2 Trim package, Sierra Classic 1983–1990
    the joint pages print it as Tahoe/Sierra Classic, the Chevrolet and GMC names; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.96.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    YC3 Trim package, Gypsy 1983–1988
    the joint pages print it as Sport/Gypsy, the Chevrolet and GMC names; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.97.
    		Factory-verified
    Z07 Package, special economy truck 1983–1984
    only in: 6-foot box regular cab; requires the 1.9L L4, 5 speed manual, 1000 lb payload and 2.73 or 3.08 axle (1983); 1984 from a power team requirement remark (its 1984 option lines print 207); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    		Factory-verified
    Z09 Trim, blackout package 1989
    blackout headlamp bezels and grille; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    		Factory-verified
    Z71 Chassis equipment, off-road package 1983–1985, 1987
    only in: 4WD; the option lines print the code as 271, so the years come from the N90 wheel price lines with Z71 (1984 prints Z7i); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.27.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.25.
    		Factory-verified
    ZM5 Sales package, underbody shield 1989–1990
    only in: 4WD; shields for fuel tank, transfer case, front differential and steering linkage (1990); 1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    ZM6 Chassis package, off-road suspension 1989–1990
    only in: 4WD; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    ZM7 Driver convenience package 1989–1990
    Comfortilt steering and intermittent wipers (1989); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    ZQ8 Chassis package, sport suspension 1985–1986, 1988
    the years come from the YC3 Sport price lines with ZQ8; the 1984, 1987 and 1989–1990 own lines print Z08, 208 or 708, so those years are not claimed; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.11.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.29.
    		Factory-verified
    Equipment
    A01 Glass, tinted, all windows 1983, 1987–1989
    the 1987 page prints AO1; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.69.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    A20 Windows, swing-out quarter 1983–1989
    the 1984, 1988 pages print A2O; only in: extended cab; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.27.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    		Factory-verified
    A28 Window, rear, sliding 1984, 1986–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    A31 Window, power operated, side doors 1984–1988
    included with ZQ2 (the operating convenience package); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.27.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    		Factory-verified
    A78 Seat backs, reclining, left-hand and right-hand 1983–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    AA3 Glass, deep tinted, with light tinted rear window 1983–1984, 1988–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.69.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    AD3 Sunroof, manual, non-removable glass 1988–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    AJ1 Glass, deep tinted 1983–1989
    the 1984, 1989 pages print AJI; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    AJ2 Seats, rear, jump 1983, 1986–1990
    only in: extended cab; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.71.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    AU3 Lock, side door, electric 1983–1988
    included with ZQ2 (the operating convenience package); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    		Factory-verified
    AV5 Seats, front, high-back bucket 1989–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    B30 Floor covering, carpet, color-keyed 1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    B32 Floor mats, color-keyed, front 1983–1984, 1986, 1988–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    B74 Moldings, wheel opening, black 1985–1990
    1985–1986 from the sunshine striping paint text (either B74 or B96 required); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.44.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    B84 Moldings, body side and wheel opening 1983–1989
    1986 from a companion price line (with B84); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    B93 Guards, door edge 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    		Factory-verified
    B96 Moldings, wheel opening, bright 1985–1987, 1989–1990
    1986 from the sunshine striping paint text (either B74 or B96 required); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    BG9 Floor covering, full floor, rubber, color-keyed 1987–1989
    replaces carpeting; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    		Factory-verified
    C3A Payload capacity, 1500 lb 1983–1989
    1983–1985, 1987 and 1988 from the power team axle lines (w/C3A); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.15.
    		Factory-verified
    C3B Payload capacity, 1000 lb 1983–1989
    1986 from the power team axle lines (w/C3A-C3B); 1989 from the power team payload lines; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.81.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.12.
    		Factory-verified
    C3C Payload capacity, 1625 lb 1983–1989
    1984 from a requirement remark; 1988 from the power team payload key; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.20.
    		Factory-verified
    C3D Payload capacity, 1250 lb 1984–1985
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    		Factory-verified
    C60 Air conditioning 1983–1990
    the 1985 and 1987 pages name it All-Weather air conditioning; 1984 and 1986 from the radiator price lines with C60; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    C91 Lamp, dome 1983
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    		Factory-verified
    CD4 Wiper system, windshield, intermittent 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.27.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    		Factory-verified
    D34 Mirror, visor, right-hand 1984, 1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    D44 Mirrors, outside, below eye line, painted 1986, 1989–1990
    left-hand and right-hand; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    D45 Mirrors, outside, below eye line, bright 1986, 1989
    left-hand and right-hand; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    D55 Console, front compartment floor 1983–1985, 1987–1989
    requires bucket seats; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.86.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    		Factory-verified
    D73 Rails, pickup box side 1986
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    		Factory-verified
    D85 Striping, body 1986–1988
    1986–1987 from the color chart headings; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.39.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.89.
    		Factory-verified
    D90 Striping, sunshine 1985–1990
    the 1986 page prints D9O; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.40.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.89.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    D96 Body stripe, side, upper 1989–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    D98 Striping, rally 1986–1987
    1986 from the color chart heading, 1987 from the stripe color requirement remarks; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    		Factory-verified
    DC4 Mirror, inside, with reading lamps 1988–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    E63 Body equipment, fleetside pickup box 1983–1990
    printed as the Fleetside/Wideside body ordering code; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.2.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.2.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.10.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.74.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.7.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.3.
    		Factory-verified
    F51 Shock absorbers, front and rear, heavy duty 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    F59 Stabilizer bar, front 1983, 1985–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    F60 Suspension, front, heavy duty 1985–1989
    only in: 4WD; includes F51; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    G51 Springs, rear, heavy duty 1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1990 Chevrolet S 10, p.13.
    		Factory-verified
    J50 Brakes, vacuum power 1983, 1988
    1988 from a power team requirement remark (Reqs J50 Brakes); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.81.
    		Factory-verified
    K05 Heater, engine block 1983, 1986–1988
    the 1988 page prints KO5; 600 watt, 120 volt (1986–1988); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    		Factory-verified
    K07 Heater, engine block and fuel system 1984–1985
    only with B3J diesel equipment; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    		Factory-verified
    K34 Speed control, electronic 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    K46 Air cleaner, pre-cleaner 1985–1988
    only with the 2.8L V6; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.31.
    		Factory-verified
    K81 Generator 1983–1985
    66 amp; the merged S-10 Blazer doc writes Generator, 66 amp; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    		Factory-verified
    KC4 Cooling system, engine oil cooler 1983, 1985, 1988–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.86.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    N33 Steering wheel, Comfortilt 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    		Factory-verified
    N40 Steering, power 1983–1990
    the 1984 page prints N4O; 1984 from the power team requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    N51 Steering, power, not desired 1983–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    N79 Wheel, spare, full size 1988
    with ZJ7 rally wheels; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    		Factory-verified
    N90 Wheels, aluminum, cast 1983–1984, 1986–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    NK2 Fuel tank, approximately 20 gallon 1983–1987
    left-hand frame mounted in 1983–1984 and 1986–1987; the merged S-10 Blazer doc writes left-hand frame mounted; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    		Factory-verified
    NY1 Shield, fuel tank 1983–1988
    only in: 4WD; 1983 from the NY7 requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    		Factory-verified
    NY7 Shield, transfer case 1983–1988
    only in: 4WD; 1983 from the NY1 requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
    		Factory-verified
    P01 Wheel covers, bright metal 1986–1988
    the 1986 page prints PO1; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    		Factory-verified
    P06 Wheel trim rings 1983, 1987–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    TR9 Lighting, auxiliary 1983–1990
    includes the UF2 cargo lamp in 1983–1988; the 1989 entry lists other lamps and the DC4 lighted inside mirror; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    U16 Tachometer, engine 1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1988 Chevrolet S 10, p.69.
    		Factory-verified
    U37 Lighter, cigarette 1983–1984, 1986–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    U52 Instrumentation, electronic 1989–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    U63 Radio, AM 1983, 1985, 1987–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    		Factory-verified
    U66 Speakers, premium dual rear 1983, 1986–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    		Factory-verified
    U69 Radio, AM/FM 1983, 1985, 1987
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    		Factory-verified
    U89 Wiring harness, 5-lead 1983–1984, 1986–1990
    not with Z82; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    UA1 Battery, heavy duty 1983, 1985–1990
    the 1986, 1990 pages print UAI; included with V10; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    UE8 Clock, electronic digital 1983
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    		Factory-verified
    UF2 Lamp, cargo area 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    		Factory-verified
    UL1 Radio, AM/FM stereo, clock, ETR 1983, 1985
    1983 from the U66 speaker requirement remark; GM's later lists use UL1 for a European frequency radio; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    		Factory-verified
    UL5 Radio, delete 1986–1988, 1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    UM6 Radio, AM/FM stereo, seek-scan, stereo cassette, clock, ETR 1987–1990
    the 1987 page prints seek and scan; the merged S-10 Blazer doc writes seek/scan; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.70.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    UM7 Radio, AM/FM stereo, seek-scan, clock, ETR 1986–1988, 1990
    the 1986–1987 pages print seek and scan; the 1990 joint book marks it standard on GMC models; the merged S-10 Blazer doc writes seek/scan; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    UT5 Radio, AM, ETR 1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    UU7 Radio, AM/FM stereo, stereo cassette, clock, ETR 1983–1984
    printed only in the U66 speaker requirement remark (its own 1984 option line prints UUT); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    		Factory-verified
    UU9 Radio, AM/FM stereo, ETR 1983–1988
    1984, 1986 and 1987 from the U66 speaker requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    		Factory-verified
    UX1 Radio, AM stereo/FM stereo, seek-scan, stereo cassette with search and repeat, graphic equalizer, clock, ETR 1985–1990
    the 1989–1990 pages print UXI; the 1985–1987 pages print seek and scan; the merged S-10 Blazer doc writes seek/scan; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
    		Factory-verified
    V01 Radiator, heavy duty 1983–1990
    the 1984, 1986 pages print VO1; included with C60; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.16, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    V02 Radiator and transmission oil cooler, heavy duty 1983–1990
    the 1984, 1987 pages print VO2; automatic transmission only; 1987 from the Z82 requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.18.
    		Factory-verified
    V10 Package, cold climate 1983–1984, 1986–1990
    the 1989 page prints VIO; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    V22 Grille, chromed 1983–1984, 1986–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    V28 Bumper guards, front, black 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    		Factory-verified
    V43 Bumper, rear step, painted black 1983, 1985–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    V76 Tow hooks, front 1983, 1985–1989
    only in: 4WD; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.28.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.26.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    		Factory-verified
    VB2 Bumper, rear step, color-keyed 1983–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    		Factory-verified
    VB3 Bumper, rear step, chromed, with rub strip 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.68.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    VG3 Bumper, front, deluxe chromed, with rub strip 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
    		Factory-verified
    VT3 Bumper, front, color-keyed 1983–1988
    1984–1987 from the VB2 requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.32.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.68.
    		Factory-verified
    X9H Payload capacity, 2000 lb 1988–1989
    1988 from the power team payload key; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1988 Chevrolet S 10, p.81.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    		Factory-verified
    YJ3 Decal, 4x4, pickup box 1985–1988
    only in: 4WD; replaces the cab pillar 4x4 emblem; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.32.
    		Factory-verified
    Z53 Gages, voltmeter, temperature, oil pressure and trip odometer 1983, 1985, 1987–1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.69.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.22.
    		Factory-verified
    Z82 Trailering special equipment, heavy duty 1983–1985, 1988, 1990
    1983–1985 from the power team footnotes (Reqs Z82 Trailering); the 1986 and 1987 own entries print 282, so those years are not claimed; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.72.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.30.
    		Factory-verified
    ZJ7 Wheels, rally 1986–1990
    1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.36.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.21.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    ZK4 Spare tire, full size, highway 1983–1985, 1989
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    		Factory-verified
    ZK5 Spare tire, full size, on-off road 1983–1985, 1989–1990
    1990 from the ZM6 requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.23.
    		Factory-verified
    Paint
    ZY1 Color combination, solid 1983–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.13.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    ZY2 Color combination, conventional two-tone 1989–1990
    the 1990 chart names it conventional two-tone; the merged S-10 Blazer doc reads its 1989 option page as custom two-tone; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    ZY3 Color combination, special two-tone 1989–1990
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.21.
    		Factory-verified
    ZY4 Color combination, deluxe two-tone 1989–1990
    1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1989 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.27.
    		Factory-verified
    ZY6 Color combination, custom two-tone 1985–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.19.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    		Factory-verified
    ZY7 Color combination, sport two-tone 1983–1988
    1986–1987 from the B84 molding price lines with ZY7; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.34.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.13.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    		Factory-verified
    ZY8 Color combination, special two-tone 1983–1988
    1983–1985 and 1987 from the two-tone paint description pages; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.15.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.43.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.47.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    		Factory-verified
    Internal / Process
    B3W internal Price information, preliminary 1983–1984, 1986–1988
    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.30.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.34.
    		Factory-verified
    D60 internal Color combination, non-recommended 1986, 1988
    the dealer orders it to verify a color combination the charts mark N/A; the 1983 chart prints D60l (a glyph attached), so 1983 is not claimed; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1986 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.103.
    		Factory-verified
    NA5 internal Emission system, standard 1983–1988
    1984 from the MM5 and C3A companion remarks (the own line prints NAS); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.20.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.30.
    		Factory-verified
    NA6 internal Emission system, high altitude 1983–1985, 1987–1989
    1984 from the C3A companion remark (the own line prints NAG); 1988 from the power team heading for high altitude emissions; 1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.18.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.80.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.21.
    		Factory-verified
    YF5 internal Emission system, California 1983–1986, 1988
    1984 from a requirement remark; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits
    GM Heritage factory kit — 1983 Chevrolet S 10, p.37.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.14.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.17.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.9.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.84.
    		Factory-verified

    Source document: gmc/sonoma-gen1.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.