- 1987, 1988, 1990 Factory-verified
shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.28.GM Heritage factory kit — 1988 Chevrolet Astro Van, p.8.GM Heritage factory kit — 1990 Chevrolet Astro Van, p.8.
ZP7 Factory-verified
Also documented for BuickChevroletOldsmobilePontiacSaturn
Documented applications
- 1998–2005 Factory-verified
This page aggregates every documented appearance of ZP7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.