- 1998–2005 Factory-verified
A12 Factory-verified
Also described as Window, rear stationary, back doorWindow, rear door, stationaryWindow, rear door, fixed
Also documented for Chevrolet
Documented applications
- 1998–2002 Factory-verified
- 2003–2010, 2014–2018, 2022–2027 Factory-verified
the 2025–2027 guides read Glass, fixed rear doors; O on all trims; in the 2025–2027 guides only in the Cargo guides
- 1983, 1984, 1986–1990 Factory-verified
1984 from the February 1984 data book pages in the mislabelled G-Van kit file; shared G-van platform code; cited from the Chevrolet G-Van kit
GM Heritage factory kit — 1983 Chevrolet Vandura, p.16.GM Heritage factory kit — 1985 Chevrolet G Van, p.19.GM Heritage factory kit — 1986 Chevrolet G Van, p.65.GM Heritage factory kit — 1987 Chevrolet G Van, p.22.GM Heritage factory kit — 1988 Chevrolet Vandura, p.22.GM Heritage factory kit — 1989 Chevrolet G Van, p.16.GM Heritage factory kit — 1990 Chevrolet G Van, p.16.
This page aggregates every documented appearance of A12 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.