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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    N-40 Factory-verified

    Oldsmobile · Regular Production Option

    Power steering

    Years 1968–70 Models 1 Factory citations 1

    Documented applications

    Cutlass / 4-4-2
    • 1968–70 Factory-verified

      1969 factory service list: "Power Steering"

      GM Heritage factory kit — 1969 Oldsmobile 442 Info Kit, p.247.

    This page aggregates every documented appearance of N-40 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.