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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    MW9 Single-source

    Pontiac · Regular Production Option

    Transmission unit, 4 speed automatic, THM 200-4R

    Years 1986 Models 1
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    Documented applications

    Grand Prix — G-body (1983–1987)
    • 1986 Single-source

      the dealer listing of a 1986 2+2 decodes MW9 as its Turbo Hydra-Matic 200-4R; Wikipedia gives every 2+2 the 200-4R without a code; no factory page in the brief prints it

    This page aggregates every documented appearance of MW9 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.