- 1968–69 Factory-verified
1969 factory service list: "Tilt Steering Column (F-85)"
GM Heritage factory kit — 1969 Oldsmobile 442 Info Kit, p.247.
N-33 Factory-verified
Documented applications
This page aggregates every documented appearance of N-33 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.