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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

    Chevrolet · Regular Production Option

    Battery, heavy duty

    Years 1963–10, 2015 Models 31 Factory citations 144
    Query this via API →

    Also described as Heavy duty batteryHeavy Duty BatteryHeavy Duty Battery (Delco Energizer R89WPT)Heavy-duty batteryHD batteryBattery, high capacity, wet

    Also documented for BuickGMCOldsmobilePontiacSaturn

    Documented applications

    Corvette (C3)
    • 1974 Factory-verified

      $15.00; 9,169 built

      GM Heritage factory kit — 1974 Chevrolet Corvette, p.30.
    • 1975 Confirmed

      $15.00; 16,778 built

    • 1976 Factory-verified

      $16.00; 25,909 built

      GM Heritage factory kit — 1976 Chevrolet Corvette, p.22.
    • 1977 Factory-verified

      $17.00; 32,882 built

      GM Heritage factory kit — 1977 Chevrolet Corvette, p.48.
    • 1978 Factory-verified

      $18.00; 28,243 built

      GM Heritage factory kit — 1978 Chevrolet Corvette, p.22.
    • 1979 Factory-verified

      $21.00; 3,405 built (price and count: Corvette Black Book; CorvSport's table shows shifted rows for UA1/U58/U75/U81; CAC and CorvetteStory agree on these values)

      GM Heritage factory kit — 1979 Chevrolet Corvette, p.32.
    • 1980 Factory-verified

      $22.00; 1,337 built

      GM Heritage factory kit — 1980 Chevrolet Corvette, p.59.
    Nova / Chevy II
    • 1974–1979 Factory-verified
      GM Heritage factory kit — 1975 Chevrolet Nova, p.70.
      GM Heritage factory kit — 1979 Chevrolet Nova, p.9.
    Astro — First generation (1985–1994)
    • 1986–1989 Factory-verified

      Delco Freedom, 515 cold cranking amps in 1986 and 630 from 1987; some pages print UAI.

      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.
    Beretta — L-body (1987–1996)
    • 1989, 1991, 1993–1996 Factory-verified

      required with the automatic on the L4; mandatory for Canada; the 1989 page prints UAI (letter I); the 1988 and 1990 pages print UAT, so those years are not claimed, and 1992 has no legible code; same description as cavalier-gen1

      GM Heritage factory kit — 1989 Chevrolet Beretta, p.34.
      GM Heritage factory kit — 1991 Chevrolet Beretta, p.50.
      GM Heritage factory kit — 1993 Chevrolet Beretta, p.48.
      GM Heritage factory kit — 1994 Chevrolet Beretta, p.63.
      GM Heritage factory kit — 1995 Chevrolet Beretta, p.91.
      GM Heritage factory kit — 1996 Chevrolet Beretta, p.55.
    Blazer (full-size, K5) — Square body (1983–1991)
    • 1983–1986 Factory-verified

      515 cold cranking amps; not with B3J diesel equipment; included with V10; the 1985 and 1986 pages print UAI

      GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
      GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5.
      GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11.
      GM Heritage factory kit — 1986 Chevrolet Blazer, p.11.
    S-10 Blazer — First generation (1983–1994)
    • 1983–1987, 1989, 1994 Factory-verified

      515 cold cranking amps to 1987, 630 in 1989, 600 in 1994; included with V10; the kit pages also print UAI; the 1988, 1991 and 1992 pages print UAT, so those years are left out; the merged second-generation doc writes Battery, high capacity, wet

      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 — 1986 Chevrolet S 10 Blazer, p.16.
      GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.14.
      GM Heritage factory kit — 1989 Chevrolet Blazer, p.16.
      GM Heritage factory kit — 1994 Chevrolet S 10 Blazer, p.53.
    Blazer — S-10 second generation (1995–2005)
    Camaro — Gen 3 (1982–1992)
    • 1982–1988 Factory-verified

      1989 is not claimed: the weight page lists it, but the 1989 order guides name the heavy duty battery only as a row of the preferred equipment groups

      GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
      GM Heritage factory kit — 1983 Chevrolet Camaro, p.26.
      GM Heritage factory kit — 1984 Chevrolet Camaro, p.3.
      GM Heritage factory kit — 1985 Chevrolet Camaro, p.22.
      GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
      GM Heritage factory kit — 1987 Chevrolet Camaro, p.15.
      GM Heritage factory kit — 1988 Chevrolet Camaro, p.30.
    Caprice — third generation, B-body (1983–1990)
    • 1984, 1987–1989 Factory-verified

      not with LB4 (1988); the 1985, 1986 and 1988 weight sheets print UAT

      GM Heritage factory kit — 1984 Chevrolet Caprice, p.40.
      GM Heritage factory kit — 1987 Chevrolet Caprice, p.45.
      GM Heritage factory kit — 1988 Chevrolet Caprice, p.22.
      GM Heritage factory kit — 1989 Chevrolet Caprice, p.55.
    Cavalier — first generation (1982–1987)
    • 1984–1987 Factory-verified

      mandatory for Canada; the 1984 page prints UAI (letter I)

      GM Heritage factory kit — 1984 Chevrolet Cavalier, p.10.
      GM Heritage factory kit — 1985 Chevrolet Cavalier, p.35.
      GM Heritage factory kit — 1986 Chevrolet Cavalier, p.37.
      GM Heritage factory kit — 1987 Chevrolet Cavalier, p.37.
    Celebrity — A-body (1982–1990)
    • 1985–1988 Factory-verified

      the 1988 page prints UAI; 1989 not claimed: the 1989 order guide lists the heavy-duty battery only as a preferred equipment group row, although the 1989 weight page lists UA1 (owner ruling 2026-10-29); 1984 is not claimed: no dated page of that year prints the code as an entry of its own

      GM Heritage factory kit — 1985 Chevrolet Celebrity, p.43.
      GM Heritage factory kit — 1986 Chevrolet Celebrity, p.42.
      GM Heritage factory kit — 1987 Chevrolet Celebrity, p.42.
      GM Heritage factory kit — 1988 Chevrolet Celebrity, p.46.
    Chevette — T-body (1983–1987)
    • 1984–1986 Factory-verified

      Freedom II type; not with the diesel engine; the 1984 and 1986 pages print the code as UAI (an I/1 swap, named here as printed)

      GM Heritage factory kit — 1984 Chevrolet Chevette, p.31.
      GM Heritage factory kit — 1985 Chevrolet Chevette, p.31.
      GM Heritage factory kit — 1986 Chevrolet Chevette, p.29.
    C/K pickup — Square body (1983–1991)
    • 1984–1987 Factory-verified

      the 1985 kit page (p.42) prints UA1 only in the Cold-Climate Package cross-reference; the 1984 page (p.43) prints the battery line as UAI

      GM Heritage factory kit — 1984 Chevrolet Truck, p.43.
      GM Heritage factory kit — 1985 Chevrolet Truck, p.42.
      GM Heritage factory kit — 1986 Chevrolet Truck, p.160.
      GM Heritage factory kit — 1987 Chevrolet Truck, p.56.
    Corsica — L-body (1987–1996)
    • 1991–1993 Factory-verified

      required with the automatic on the L4; mandatory for Canada; 1988–1989 are not claimed: the option-weight pages print UAT and the 1989 order guide names UA1 only as a restriction of the automatic ("Reqs UA1 Battery"); 1990 and 1994–1996 are not claimed: the option-weight pages still list it, but those years' order guides do not offer it; same description as beretta-gen1

      GM Heritage factory kit — 1991 Chevrolet Corsica, p.40.
      GM Heritage factory kit — 1992 Chevrolet Corsica, p.41.
      GM Heritage factory kit — 1993 Chevrolet Corsica, p.39.
    El Camino — fifth generation (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

      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.
    Express — GMT610 (2003–2027)
    Chevy Van — Second generation G-series (1983–1996)
    • 1983, 1984, 1986–1989 Factory-verified

      Delco Freedom; the 1988 page prints UAI.

      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 — 1987 Chevrolet G Van, p.2.
      GM Heritage factory kit — 1988 Chevrolet Vandura, p.19.
      GM Heritage factory kit — 1989 Chevrolet G Van, p.31.
    Lumina — second generation (1995–2001)
    Monte Carlo — fourth generation (1983–1988)
    • 1983–1988 Factory-verified

      not with the LB4 (1988 guide); the 1986–1987 brochures say V8 only, but the weight pages of the 1986–1987 kits still list an LB4 weight

      GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.32.
      GM Heritage factory kit — 1984 Chevrolet Monte Carlo, p.36.
      GM Heritage factory kit — 1985 Chevrolet Monte Carlo, p.32.
      GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.
      GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.46.
      GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.34.
    S-10 pickup — First generation (1982–1993)
    • 1982–1983, 1985–1993 Factory-verified

      included with V10 (1982–1983, 1985–1993); the 1982, 1983, 1986 and 1990 pages print UAI

      GM Heritage factory kit — 1982 Chevrolet S 10, p.7.
      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.19.
      GM Heritage factory kit — 1989 Chevrolet S 10, p.36.
      GM Heritage factory kit — 1990 Chevrolet S 10, p.20.
      GM Heritage factory kit — 1991 Chevrolet S 10, p.21.
      GM Heritage factory kit — 1992 Chevrolet S 10, p.16.
      GM Heritage factory kit — 1993 Chevrolet S 10, p.10.
    S-10 pickup — 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

      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.

    Related codes · mentioned in these notes

    243B3JCACL19LB4LE8U58U75U81V10

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