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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    Z18 Factory-verified

    Chevrolet · Regular Production Option

    Caprice Custom Sedan package

    Years 1965 Models 1 Factory citations 2

    Also described as Caprice Custom Sedan

    Documented applications

    Impala / Full-Size
    • 1965 only Factory-verified

      This was the optional Caprice package that could be added to the Impala 4 door sport sedan. This is the only year the Caprice was an option.

      GM Heritage factory kit — 1965 Chevrolet, p.2.
    • 1965 Factory-verified

      luxury package on Impala 4-door hardtop; became the Caprice series in 1966

      GM Heritage factory kit — 1965 Chevrolet, p.2.

    This page aggregates every documented appearance of Z18 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.