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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/sonoma-gen1.md

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    Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Sonoma — first generation (1982–1993) page.

    GMC Sonoma — First generation (1982–1993)

    The first-generation GMC compact pickup was the S-15 until 1990 and the Sonoma from 1991; Wikipedia's S-series article calls the Chevrolet and GMC models identical apart from the grille, tailgate and insignia, names the 1991 Syclone and 1992 Sonoma GT, and says the Sierra trim names were dropped for 1991. No GMC order guide or kit is in the repository for these years, so the rows come from the Chevrolet S-10 Heritage kits: their 1983–1990 books are joint S-10/S-15 books (option price pages headed S10/15, power teams, model selectors, model option pages that pair the Chevrolet and GMC trim names, and the 1989–1990 S/T data books), and every equipment row cites only those joint pages, within those years; years the merged S-10 pickup doc takes from the books’ Chevrolet order-guide pages are not claimed. On those pages the S-15 trims are High Sierra (YC1), Sierra Classic (YC2) and Gypsy (YC3), with the Special economy model (X81). The 1982 kit and the 1991–1993 books are Chevrolet-only, so those years carry engines only, from the kit pages with Wikipedia's S-series engine table; no factory page here covers the Syclone or Sonoma GT. NICB's 1987 and 1991 VIN manuals list the S/T line as the small conventional cab and the compact cab. Tire codes, seat trim codes and exterior paint color numbers are not listed here.

    Codes

    Engines

    Code Description Years Models/Notes Confidence
    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 — 1991 Chevrolet S 10, p.9 · 1992 Chevrolet S 10, p.16 · 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 — 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.30 · 1991 Chevrolet S 10, p.9 · 1992 Chevrolet S 10, p.16 · 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 — 1986 Chevrolet S 10, p.12 · 1987 Chevrolet S 10, p.20 · 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.11 · 1991 Chevrolet S 10, p.9 · 1992 Chevrolet S 10, p.16 · 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 — 1985 Chevrolet S 10, p.20 · 1986 Chevrolet S 10, p.12 · 1987 Chevrolet S 10, p.20 · 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.44 confirmed
    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 — 1984 Chevrolet S 10, p.8 confirmed
    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 — 1982 Chevrolet S 10, p.5 · 1983 Chevrolet S 10, p.33 · 1984 Chevrolet S 10, p.41 · 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 — 1982 Chevrolet S 10, p.5 · 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.8 · 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

    Code Description Years Models/Notes Confidence
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 confirmed
    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 — 1983 Chevrolet S 10, p.33 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.66 · 1989 Chevrolet S 10, p.25 · 1990 Chevrolet S 10, p.11 confirmed
    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 — 1983 Chevrolet S 10, p.33 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.18 · 1990 Chevrolet S 10, p.11 confirmed
    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 — 1983 Chevrolet S 10, p.33 · 1984 Chevrolet S 10, p.9 · 1987 Chevrolet S 10, p.20 confirmed

    Axles

    Code Description Years Models/Notes Confidence
    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 — 1983 Chevrolet S 10, p.33 · 1984 Chevrolet S 10, p.14 · 1985 Chevrolet S 10, p.21 · 1986 Chevrolet S 10, p.13 · 1987 Chevrolet S 10, p.20 · 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 · 1989 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 · 1989 Chevrolet S 10, p.20 confirmed

    Packages & Trims

    Code Description Years Models/Notes Confidence
    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 — 1983 Chevrolet S 10, p.43 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.18 confirmed
    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 — 1986 Chevrolet S 10, p.2 · 1987 Chevrolet S 10, p.10 · 1988 Chevrolet S 10, p.74 · 1989 Chevrolet S 10, p.7 · 1990 Chevrolet S 10, p.13 confirmed
    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 — 1986 Chevrolet S 10, p.2 · 1987 Chevrolet S 10, p.10 · 1988 Chevrolet S 10, p.74 · 1989 Chevrolet S 10, p.7 · 1990 Chevrolet S 10, p.13 confirmed
    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 — 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.24 · 1984 Chevrolet S 10, p.25 · 1985 Chevrolet S 10, p.31 · 1986 Chevrolet S 10, p.23 · 1987 Chevrolet S 10, p.31 · 1988 Chevrolet S 10, p.95 · 1989 Chevrolet S 10, p.10 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.35 · 1984 Chevrolet S 10, p.11 · 1985 Chevrolet S 10, p.19 · 1986 Chevrolet S 10, p.11 · 1987 Chevrolet S 10, p.32 · 1988 Chevrolet S 10, p.96 · 1989 Chevrolet S 10, p.11 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.22 · 1984 Chevrolet S 10, p.12 · 1985 Chevrolet S 10, p.19 · 1986 Chevrolet S 10, p.11 · 1987 Chevrolet S 10, p.19 · 1988 Chevrolet S 10, p.97 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.8 confirmed
    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 — 1989 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1984 Chevrolet S 10, p.21 · 1985 Chevrolet S 10, p.27 · 1987 Chevrolet S 10, p.25 confirmed
    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 — 1989 Chevrolet S 10, p.21 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1989 Chevrolet S 10, p.25 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1985 Chevrolet S 10, p.19 · 1986 Chevrolet S 10, p.11 · 1988 Chevrolet S 10, p.29 confirmed

    Equipment

    Code Description Years Models/Notes Confidence
    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 — 1983 Chevrolet S 10, p.31 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.69 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1984 Chevrolet S 10, p.21 · 1985 Chevrolet S 10, p.27 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.25 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.25 confirmed
    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 — 1984 Chevrolet S 10, p.21 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.26 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.25 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1984 Chevrolet S 10, p.21 · 1985 Chevrolet S 10, p.27 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.26 · 1988 Chevrolet S 10, p.36 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1988 Chevrolet S 10, p.69 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.71 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 confirmed
    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 — 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1986 Chevrolet S 10, p.15 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1985 Chevrolet S 10, p.44 · 1986 Chevrolet S 10, p.37 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.18 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.18 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 confirmed
    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 — 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.37 · 1987 Chevrolet S 10, p.23 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    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 — 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 · 1989 Chevrolet S 10, p.15 confirmed
    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 — 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.81 · 1989 Chevrolet S 10, p.12 confirmed
    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 — 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.20 · 1985 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.80 · 1989 Chevrolet S 10, p.20 confirmed
    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 — 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.16 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.31 · 1989 Chevrolet S 10, p.18 · 1990 Chevrolet S 10, p.20 confirmed
    C91 Lamp, dome 1983 shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits ⛭ GM Heritage — 1983 Chevrolet S 10, p.31 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1984 Chevrolet S 10, p.21 · 1985 Chevrolet S 10, p.27 · 1986 Chevrolet S 10, p.19 · 1987 Chevrolet S 10, p.25 · 1988 Chevrolet S 10, p.36 confirmed
    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 — 1984 Chevrolet S 10, p.18 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1986 Chevrolet S 10, p.16 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1986 Chevrolet S 10, p.16 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.16 · 1985 Chevrolet S 10, p.22 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.86 · 1989 Chevrolet S 10, p.22 confirmed
    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 — 1986 Chevrolet S 10, p.17 confirmed
    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 — 1986 Chevrolet S 10, p.31 · 1987 Chevrolet S 10, p.39 · 1988 Chevrolet S 10, p.89 confirmed
    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 — 1985 Chevrolet S 10, p.40 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.89 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1986 Chevrolet S 10, p.33 · 1987 Chevrolet S 10, p.24 confirmed
    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 — 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.35 · 1984 Chevrolet S 10, p.2 · 1985 Chevrolet S 10, p.18 · 1986 Chevrolet S 10, p.2 · 1987 Chevrolet S 10, p.10 · 1988 Chevrolet S 10, p.74 · 1989 Chevrolet S 10, p.7 · 1990 Chevrolet S 10, p.3 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 confirmed
    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 — 1985 Chevrolet S 10, p.26 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 confirmed
    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 — 1990 Chevrolet S 10, p.13 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1988 Chevrolet S 10, p.81 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 confirmed
    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 — 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.31 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1985 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.86 · 1989 Chevrolet S 10, p.18 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.20 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.20 · 1985 Chevrolet S 10, p.25 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.35 · 1989 Chevrolet S 10, p.24 confirmed
    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 — 1988 Chevrolet S 10, p.36 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1984 Chevrolet S 10, p.21 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.26 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.25 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1984 Chevrolet S 10, p.20 · 1985 Chevrolet S 10, p.26 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.24 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.35 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.35 confirmed
    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 — 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.36 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1987 Chevrolet S 10, p.26 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.25 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    U16 Tachometer, engine 1988 shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits ⛭ GM Heritage — 1988 Chevrolet S 10, p.69 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1985 Chevrolet S 10, p.24 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1985 Chevrolet S 10, p.24 · 1987 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.18 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.31 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.32 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1985 Chevrolet S 10, p.24 confirmed
    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 — 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.70 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1989 Chevrolet S 10, p.24 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.18 confirmed
    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 — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.18 · 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 confirmed
    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 — 1985 Chevrolet S 10, p.24 · 1986 Chevrolet S 10, p.17 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.16 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.32 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.16 · 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.32 · 1989 Chevrolet S 10, p.18 · 1990 Chevrolet S 10, p.18 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.16 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.32 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.31 · 1984 Chevrolet S 10, p.17 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.33 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.15 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.32 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.32 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.28 · 1985 Chevrolet S 10, p.26 · 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.24 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.25 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.15 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.32 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.15 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.68 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.15 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.32 · 1989 Chevrolet S 10, p.22 · 1990 Chevrolet S 10, p.20 confirmed
    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 — 1983 Chevrolet S 10, p.32 · 1984 Chevrolet S 10, p.15 · 1985 Chevrolet S 10, p.22 · 1986 Chevrolet S 10, p.14 · 1987 Chevrolet S 10, p.21 · 1988 Chevrolet S 10, p.68 confirmed
    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 — 1988 Chevrolet S 10, p.81 · 1989 Chevrolet S 10, p.23 confirmed
    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 — 1985 Chevrolet S 10, p.23 · 1986 Chevrolet S 10, p.15 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.32 confirmed
    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 — 1983 Chevrolet S 10, p.18 · 1985 Chevrolet S 10, p.23 · 1987 Chevrolet S 10, p.22 · 1988 Chevrolet S 10, p.69 · 1989 Chevrolet S 10, p.22 confirmed
    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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.8 · 1985 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.72 · 1990 Chevrolet S 10, p.30 confirmed
    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 — 1986 Chevrolet S 10, p.18 · 1987 Chevrolet S 10, p.25 · 1988 Chevrolet S 10, p.36 · 1989 Chevrolet S 10, p.21 · 1990 Chevrolet S 10, p.23 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.25 · 1989 Chevrolet S 10, p.24 confirmed
    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 — 1983 Chevrolet S 10, p.29 · 1984 Chevrolet S 10, p.19 · 1985 Chevrolet S 10, p.25 · 1989 Chevrolet S 10, p.24 · 1990 Chevrolet S 10, p.23 confirmed

    Paint

    Code Description Years Models/Notes Confidence
    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 — 1983 Chevrolet S 10, p.34 · 1984 Chevrolet S 10, p.13 · 1985 Chevrolet S 10, p.20 · 1986 Chevrolet S 10, p.12 · 1987 Chevrolet S 10, p.19 · 1988 Chevrolet S 10, p.30 · 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    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 — 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    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 — 1989 Chevrolet S 10, p.23 · 1990 Chevrolet S 10, p.21 confirmed
    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 — 1989 Chevrolet S 10, p.20 · 1990 Chevrolet S 10, p.27 confirmed
    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 — 1985 Chevrolet S 10, p.20 · 1986 Chevrolet S 10, p.12 · 1987 Chevrolet S 10, p.19 · 1988 Chevrolet S 10, p.30 confirmed
    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 — 1983 Chevrolet S 10, p.34 · 1984 Chevrolet S 10, p.13 · 1985 Chevrolet S 10, p.20 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.30 confirmed
    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 — 1983 Chevrolet S 10, p.15 · 1984 Chevrolet S 10, p.33 · 1985 Chevrolet S 10, p.43 · 1986 Chevrolet S 10, p.12 · 1987 Chevrolet S 10, p.47 · 1988 Chevrolet S 10, p.30 confirmed

    Internal / Process

    Code Description Years Models/Notes Confidence
    B3W Price information, preliminary 1983–1984, 1986–1988 internal code shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits ⛭ GM Heritage — 1983 Chevrolet S 10, p.30 · 1984 Chevrolet S 10, p.18 · 1986 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.23 · 1988 Chevrolet S 10, p.34 confirmed
    D60 Color combination, non-recommended 1986, 1988 internal code 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 — 1986 Chevrolet S 10, p.33 · 1988 Chevrolet S 10, p.103 confirmed
    NA5 Emission system, standard 1983–1988 internal code 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 — 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.14 · 1985 Chevrolet S 10, p.20 · 1986 Chevrolet S 10, p.8 · 1987 Chevrolet S 10, p.20 · 1988 Chevrolet S 10, p.30 confirmed
    NA6 Emission system, high altitude 1983–1985, 1987–1989 internal code 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 — 1983 Chevrolet S 10, p.38 · 1984 Chevrolet S 10, p.18 · 1985 Chevrolet S 10, p.16 · 1987 Chevrolet S 10, p.16 · 1988 Chevrolet S 10, p.80 · 1989 Chevrolet S 10, p.21 confirmed
    YF5 Emission system, California 1983–1986, 1988 internal code 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 — 1983 Chevrolet S 10, p.37 · 1984 Chevrolet S 10, p.14 · 1985 Chevrolet S 10, p.17 · 1986 Chevrolet S 10, p.9 · 1988 Chevrolet S 10, p.84 confirmed

    Sources

    Factory documents (T1)

    • [HK] chevrolet/1982-Chevrolet-S-10.txt — 1982 S-10 pickup option and power team page (a Chevrolet book with no S-15 page; LR1 and LR2 only) (page 5)
    • [HK] chevrolet/1983-Chevrolet-S-10.txt — joint S-10/15 pickup pages: color, cab, model option (Sport/Gypsy, Durango/High Sierra), option price, standard equipment, power team and model selector pages (pages 15, 18, 22, 24, 28–35, 37–38, 43)
    • [HK] chevrolet/1984-Chevrolet-S-10.txt — joint S-10/15 pickup pages: model selector, power teams, option price, Durango/High Sierra model option, paint and decor pages; LR1 and LQ2 engine pages (pages 2, 8–9, 11–21, 25, 33, 36, 41, 44)
    • [HK] chevrolet/1985-Chevrolet-S-10.txt — joint S-10/15 pickup pages: power teams, option price, Durango/High Sierra model option, color chart, paint and decor pages (pages 16–27, 31, 40, 43–44)
    • [HK] chevrolet/1986-Chevrolet-S-10.txt — joint S-10/15 pickup pages: model selector, power teams, option price, Durango/High Sierra model option, color chart and decor pages (pages 2, 8–9, 11–19, 23, 31, 33, 37)
    • [HK] chevrolet/1987-Chevrolet-S-10.txt — joint S-10/15 pickup pages: model selector, power teams, option price, model option, color chart and paint pages (pages 10, 16, 19–26, 31–32, 39, 47)
    • [HK] chevrolet/1988-Chevrolet-S-10.txt — joint S-10/15 pickup pages: option price pages (three printings), model selector, power teams, model option (Durango/High Sierra, Tahoe/Sierra Classic, Sport/Gypsy) and color chart pages; the kit's S-10 order guide pages are not cited (pages 29–36, 66, 68–72, 74, 80–81, 84, 86, 89, 95–97, 103)
    • [HK] chevrolet/1989-Chevrolet-S-10.txt — joint S-10/S-15 data book: models, trim levels, power teams, specifications, weights and option selection pages; the kit's S-10 order guide pages are not cited (pages 7, 10–12, 15, 18, 20–25)
    • [HK] chevrolet/1990-Chevrolet-S-10.txt — joint S/T pickup data book: models, powertrains, suspension, cooling, options, color combinations and trailering pages (pages 3, 11, 13, 18, 20–23, 27, 30)
    • [HK] chevrolet/1991-Chevrolet-S-10.txt — 1991 S-10 powertrain page (a Chevrolet book; L38, LL2 and LB4 only) (page 9)
    • [HK] chevrolet/1992-Chevrolet-S-10.txt — 1992 S-10 option page (a Chevrolet book; L38, LL2 and LB4 only) (page 16)
    • [HK] chevrolet/1993-Chevrolet-S-10.txt — 1993 S-10 Light-Duty Technical Guide powertrain page (a Chevrolet book; L38, LL2 and LB4 only) (page 6)
    • The S-10 Blazer kits the brief also lists (chevrolet/1983- to 1993-Chevrolet-S-10-Blazer.txt) are S-10 Blazer books; no row cites them.
    • NICB VIN manuals: docs/reference/nicb/nicb1987-gm.txt p.92; docs/reference/nicb/nicb1991-gm.txt p.83–84

    Other sources