- 1985 Single-source
4-4-2 package on the Cutlass Salon with the LG8 engine and a 4 speed automatic, replacing the 1983–1984 Hurst/Olds; Wikipedia's 4-4-2 and Cutlass Supreme articles; 1986 left out because Wikipedia makes the 4-4-2 a model line that year and does not print the code for it
W42 Single-source
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of W42 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.