Transmission, manual, 4 speed, overdrive

Years 1982–89 Models 3 Factory citations 11

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Also described as 4-speed manual w/ overdrive

Also documented for GMC

Documented applications

C/K Trucks

1982 Confirmed

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C/K pickup — Square body (1983–1991)

1983–1987 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Truck, p.13.
GM Heritage factory kit — 1984 Chevrolet Truck, p.22.
GM Heritage factory kit — 1985 Chevrolet Truck, p.21.
GM Heritage factory kit — 1986 Chevrolet Truck, p.20.
GM Heritage factory kit — 1987 Chevrolet Truck, p.37.

Chevy Van — Second generation G-series (1983–1996)

1983, 1984, 1986–1989 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Vandura, p.6.
GM Heritage factory kit — 1984 Chevrolet G Van, p.9.
GM Heritage factory kit — 1986 Chevrolet G Van, p.18.
GM Heritage factory kit — 1987 Chevrolet G Van, p.14.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.9.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.

This page aggregates every documented appearance of MM7 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.