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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    V42 Factory-verified

    GMC · Regular Production Option

    Bumper, rear step, chromed

    Years 1984–86 Models 1 Factory citations 3
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    Also documented for Chevrolet

    Documented applications

    Sierra — Square body (1983–1991)
    • 1984–1986 Factory-verified

      shared platform code; cited from the square-body C/K pickup kits; printed in the chromed bumper block of the option pages

      GM Heritage factory kit — 1984 Chevrolet Truck, p.43.
      GM Heritage factory kit — 1985 Chevrolet Truck, p.42.
      GM Heritage factory kit — 1986 Chevrolet Truck, p.160.

    This page aggregates every documented appearance of V42 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.