- 1986–1988 Factory-verified
passenger van with ZP4 or ZP5 seating and X6X. 1986 from the 1986 passenger van pages in the kit file labelled 1985.
GM Heritage factory kit — 1985 Chevrolet Astro Van, p.9.GM Heritage factory kit — 1987 Chevrolet Astro Van, p.29.GM Heritage factory kit — 1988 Chevrolet Astro Van, p.9.
AP1 Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of AP1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.