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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    C-49 Factory-verified

    Oldsmobile · Regular Production Option

    Electrical defrosting rear window

    Years 1969 Models 1 Factory citations 1

    Documented applications

    Cutlass / 4-4-2
    • 1969 Factory-verified

      Factory optional-equipment list: "Electrical Defrosting Rear Window" (C-50 = Rear Window Defogger)

      GM Heritage factory kit — 1969 Oldsmobile 442 Info Kit, p.246.

    This page aggregates every documented appearance of C-49 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.