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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    UR1 Single-source

    Pontiac · Regular Production Option

    Fuel economy vacuum gauge

    Years 1975 Models 1
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    Documented applications

    This page aggregates every documented appearance of UR1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.