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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    AC3 Factory-verified

    GMC · Regular Production Option

    Seat adjuster, power, 6 way, driver

    Years 1988–90 Models 1 Factory citations 3
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    Also documented for Chevrolet

    Documented applications

    Safari — First generation (1985–1994)
    • 1988–1990 Factory-verified

      shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

      GM Heritage factory kit — 1988 Chevrolet Astro Van, p.9.
      GM Heritage factory kit — 1989 Chevrolet Astro Van, p.14.
      GM Heritage factory kit — 1990 Chevrolet Astro Van, p.8.

    This page aggregates every documented appearance of AC3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.