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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    U63 Factory-verified

    Buick · Regular Production Option

    Radio, AM

    Years 1987 Models 1 Factory citations 1
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    Also documented for CadillacChevroletGMCPontiac

    Documented applications

    Regal — G-body (1983–1987)
    • 1987 Factory-verified

      standard; gnttype.org's 1987 option sheet; shared G-body code, cited from the Monte Carlo kit

      GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.87.

    This page aggregates every documented appearance of U63 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.