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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    UK4 Factory-verified

    GMC · Regular Production Option

    Radio, AM/FM stereo, ETR, seek and scan

    Years 1986 Models 1 Factory citations 1
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    Also documented for BuickChevrolet

    Documented applications

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

      The 1987 order guide prints UKA, so 1987 is 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 — 1986 Chevrolet El Camino, p.6.

    This page aggregates every documented appearance of UK4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.