- 1986 Factory-verified
cargo van; included with ZP4 seating or V10.
GM Heritage factory kit — 1986 Chevrolet Astro Van, p.13.
Z6Z Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of Z6Z in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.