W-42 ● Confirmed

Oldsmobile · Regular Production Option

4-4-2 package (later use)

Models 1

Documented applications

Cutlass / 4-4-2 →

• 1983–87 ● Confirmed

  Build sheet / trunk service sticker

This page aggregates every documented appearance of W-42 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.