3-speed manual (standard)

Years 1967–79, 1981–82 Models 3 Factory citations 2

Also described as 3-speed manual transmission3-speed manual

Documented applications

Camaro

1967–1969 Confirmed
1970–1970s Confirmed

Nova / Chevy II

1968–1977 Factory-verified

GM Heritage factory kit — 1974 Chevrolet Nova, p.56.
GM Heritage factory kit — 1977 Chevrolet Nova, p.57.

C/K Trucks

1981–82 Single-source

Modern lists reuse M15

This page aggregates every documented appearance of M15 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.