ZX6 ✓ Factory-verified

GMC · Regular Production Option

Window package, swing out

Years 1990 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

Vandura and Rally — Second generation G-series (1983–1996) →

• 1990 ✓ Factory-verified

  swing out rear door and side door glass; shared G-van platform code; cited from the Chevrolet G-Van kit

  ⛭ GM Heritage factory kit — 1990 Chevrolet G Van, p.16.

This page aggregates every documented appearance of ZX6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.