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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    FS3 Factory-verified

    Chevrolet · Regular Production Option

    Axle, front, I-beam, 5,000 lb capacity

    Years 1985–89 Models 1 Factory citations 5
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    Documented applications

    Motor Home chassis (1983–1998)
    • 1985–1989 Factory-verified
      GM Heritage factory kit — 1985 Chevrolet Motorhome, p.16.
      GM Heritage factory kit — 1986 Chevrolet Motorhome, p.10.
      GM Heritage factory kit — 1987 Chevrolet Motorhome, p.14.
      GM Heritage factory kit — 1988 Chevrolet Motorhome, p.11.
      GM Heritage factory kit — 1989 Chevrolet Motorhome, p.3.

    This page aggregates every documented appearance of FS3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.