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

    GMC · Regular Production Option

    Tires, P205/75R14 all season steel belted radial, white lettered

    Years 1985–86 Models 1 Factory citations 2
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    Also documented for CadillacChevrolet

    Documented applications

    Caballero — G-body (1983–1987)
    • 1985–1986 Factory-verified

      The 1984 order guide prints OSA and the 1987 guide aSA, so those years are not claimed; shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits

      GM Heritage factory kit — 1985 Chevrolet El Camino, p.11.
      GM Heritage factory kit — 1986 Chevrolet El Camino, p.5.

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