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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    JA8 Factory-verified

    Chevrolet · Regular Production Option

    Brake system, medium duty

    Years 1988–90 Models 1 Factory citations 3
    Query this via API →

    Also documented for Buick

    Documented applications

    Celebrity — A-body (1982–1990)
    • 1988–1990 Factory-verified internal
      GM Heritage factory kit — 1988 Chevrolet Celebrity, p.26.
      GM Heritage factory kit — 1989 Chevrolet Celebrity, p.48, p.50.
      GM Heritage factory kit — 1990 Chevrolet Celebrity, p.24.

    This page aggregates every documented appearance of JA8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.