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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    M24 Factory-verified

    Chevrolet · Regular Production Option

    New Process 435 HD 4-speed manual

    Years 1965, 1967–72 Models 1 Factory citations 1

    Also described as HD 4-speed manual (New Process)

    Documented applications

    C/K Trucks
    • 1965 Factory-verified
      GM Heritage factory kit — 1965 Chevrolet Truck, p.19.
    • 1967–72 Single-source

      Car/modern lists show Borg-Warner — reuse

    This page aggregates every documented appearance of M24 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.