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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    AN6 Single-source

    Chevrolet · Regular Production Option

    Adjustable seat back, driver side

    Years 1970–79 Models 1

    Documented applications

    This page aggregates every documented appearance of AN6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.