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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    DE1 Factory-verified

    Pontiac · Regular Production Option

    Louvers, rear window

    Years 1986 Models 1 Factory citations 1
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    Also documented for CadillacChevrolet

    Documented applications

    Firebird — Third generation (1982–1992)
    • 1986 Factory-verified

      the label decode reads a back window sunshade, which a forum reply names the hatch louvers; Firebird years: thirdgen.org label decodes 1986; shared F-body code; cited from the Camaro kits

      GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.

    This page aggregates every documented appearance of DE1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.