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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    J50 Single-source

    Pontiac · Regular Production Option

    Brakes, power, front disc and rear drum

    Years 1984, 1986–87, 1989 Models 2 Factory citations 3
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    Also described as Brakes, power

    Also documented for BuickChevroletGMCOldsmobile

    Documented applications

    6000 — A-body (1982–1991)
    • 1984, 1986–1987 Single-source

      printed as base equipment; 1985 is left out because the page that prints it carries no model-year field, and the 1988 listed pages do not print it; shared A-body code; cited from the Chevrolet Celebrity kits; no 6000 source names it, so the row rests on the kit pages alone

      GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
      GM Heritage factory kit — 1986 Chevrolet Celebrity, p.41.
      GM Heritage factory kit — 1987 Chevrolet Celebrity, p.41.

    This page aggregates every documented appearance of J50 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.