- 1983, 1986 Factory-verified
the rparts GM RPO PDF reads M75 as a continuously variable transmission, a later reuse; the 1983 option-weight page lists the 5 speed for the diesel engine; the 1986 power team page pairs it with LJ5; the 1984 kit prints it only in Z90's contents, so 1984 is not claimed
GM Heritage factory kit — 1983 Chevrolet Chevette, p.26.GM Heritage factory kit — 1986 Chevrolet Chevette, p.3.
M75 Factory-verified
Also documented for OldsmobileSaturn
Documented applications
This page aggregates every documented appearance of M75 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.