MM5 Factory-verified

GMC · Regular Production Option

Transmission, manual, 5 speed, overdrive

Years 1983–90 Models 3 Factory citations 18
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Also documented for BuickCadillacChevroletOldsmobilePontiacSaturn

Documented applications

  • 1983–1989 Factory-verified

    shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

    GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.6.
    GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.4.
    GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.10.
    GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.6.
    GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.42.
    GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.8.
    GM Heritage factory kit — 1989 Chevrolet Blazer, p.20.
  • 1986–1988 Factory-verified

    shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

    GM Heritage factory kit — 1986 Chevrolet Astro Van, p.10.
    GM Heritage factory kit — 1987 Chevrolet Astro Van, p.12.
    GM Heritage factory kit — 1988 Chevrolet Astro Van, p.4.
  • 1983–1990 Factory-verified

    shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

    GM Heritage factory kit — 1983 Chevrolet S 10, p.33.
    GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1985 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1986 Chevrolet S 10, p.8.
    GM Heritage factory kit — 1987 Chevrolet S 10, p.16.
    GM Heritage factory kit — 1988 Chevrolet S 10, p.66.
    GM Heritage factory kit — 1989 Chevrolet S 10, p.25.
    GM Heritage factory kit — 1990 Chevrolet S 10, p.11.

This page aggregates every documented appearance of MM5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.