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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    UA1 Factory-verified

    GMC · Regular Production Option

    Battery, heavy duty

    Years 1983–90, 1998–10 Models 13 Factory citations 62
    Query this via API →

    Also described as Battery, high capacity, wet

    Also documented for BuickChevroletOldsmobilePontiacSaturn

    Documented applications

    Caballero — G-body (1983–1987)
    • 1983, 1985–1987 Factory-verified

      1983: included with V10; 1986–1987: not with LB4; the 1983 and 1985–1987 order guide lines print UAI (letter I); the 1984 line prints UAT, so 1984 is not claimed; shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits

      GM Heritage factory kit — 1983 Chevrolet El Camino, p.6.
      GM Heritage factory kit — 1985 Chevrolet El Camino, p.12.
      GM Heritage factory kit — 1986 Chevrolet El Camino, p.6.
      GM Heritage factory kit — 1987 Chevrolet El Camino, p.41.
    Jimmy (full-size) — Square body (1983–1991)
    • 1983–1986 Factory-verified

      515 cold cranking amps; not with B3J diesel equipment; included with V10; the 1984, 1985 and 1986 pages print UAI; shared square-body platform code; cited from the Chevrolet Blazer kit

      GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
      GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.17.
      GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11.
      GM Heritage factory kit — 1986 Chevrolet Blazer, p.11.
    Jimmy — first generation (1983–1994)
    • 1983–1985, 1987, 1989 Factory-verified

      515 cold cranking amps to 1987, 630 in 1989; included with V10; 1989 from the joint data book weight page, as its option line runs the code into the text (UAIHeavy-Duty); the 1983–1985 pages print UAI; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

      GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.7.
      GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.7.
      GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.14.
      GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.43.
      GM Heritage factory kit — 1989 Chevrolet Blazer, p.15.
    Safari — First generation (1985–1994)
    • 1986–1989 Factory-verified

      Delco Freedom, 515 cold cranking amps on the earliest pages and 630 on the later ones; the 1986, 1988 and 1989 pages print UAI; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

      GM Heritage factory kit — 1986 Chevrolet Astro Van, p.12.
      GM Heritage factory kit — 1987 Chevrolet Astro Van, p.26.
      GM Heritage factory kit — 1988 Chevrolet Astro Van, p.6.
      GM Heritage factory kit — 1989 Chevrolet Astro Van, p.12.
    Savana — GMT610 (2003–2027)
    Sierra — Square body (1983–1991)
    • 1983–1987 Factory-verified

      shared platform code; cited from the square-body C/K pickup kits; 1985 from the power team requirement remarks (requires N41 and UA1); the 1984 page prints the battery line as UAI

      GM Heritage factory kit — 1983 Chevrolet Truck, p.15.
      GM Heritage factory kit — 1984 Chevrolet Truck, p.43.
      GM Heritage factory kit — 1985 Chevrolet Truck, p.23.
      GM Heritage factory kit — 1986 Chevrolet Truck, p.160.
      GM Heritage factory kit — 1987 Chevrolet Truck, p.56.
    Sonoma — first generation (1982–1993)
    • 1983, 1985–1990 Factory-verified

      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.
    Sonoma — second generation (1994–2004)
    Suburban — Square body (1983–1991)
    • 1983–1989 Factory-verified

      630 cold cranking amps from 1987; not with B3J; included with V10; required with LE8 and L19; 1983–1985 from the LE8 requirement remarks; the 1988 page prints UAI; shared square-body platform code; cited from the Chevrolet Suburban kit

      GM Heritage factory kit — 1983 Chevrolet Suburban, p.13.
      GM Heritage factory kit — 1984 Chevrolet Suburban, p.10.
      GM Heritage factory kit — 1985 Chevrolet Suburban, p.16.
      GM Heritage factory kit — 1986 Chevrolet Suburban, p.18.
      GM Heritage factory kit — 1987 Chevrolet Suburban, p.24.
      GM Heritage factory kit — 1988 Chevrolet Suburban, p.17.
      GM Heritage factory kit — 1989 Chevrolet Suburban, p.15.
    Vandura and Rally — Second generation G-series (1983–1996)
    • 1983, 1984, 1986, 1988, 1989 Factory-verified

      Delco Freedom; the 1988 page prints UAI; 1987 is left out because only the Chevrolet-only 1987 Facts Book pages print it; shared G-van platform code; cited from the Chevrolet G-Van kit

      GM Heritage factory kit — 1983 Chevrolet Vandura, p.15.
      GM Heritage factory kit — 1984 Chevrolet G Van, p.16.
      GM Heritage factory kit — 1986 Chevrolet G Van, p.23.
      GM Heritage factory kit — 1988 Chevrolet Vandura, p.19.
      GM Heritage factory kit — 1989 Chevrolet G Van, p.31.

    Related codes · mentioned in these notes

    B3JL19LB4LE8N41V10

    This page aggregates every documented appearance of UA1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.