Window package, sliding door, rear doors and left front quarter

Years 1986 Models 1 Factory citations 1

Also documented for Chevrolet

Documented applications

Safari — First generation (1985–1994)

1986 Factory-verified

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

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.13.

This page aggregates every documented appearance of ZX4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.