- 1984 Factory-verified
cutaway and Hi-Cube vans; two custom vinyl or custom cloth high back bucket seats; the colour availability chart heads its special interior block with the code; 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; not in the merged Chevrolet G-Van doc
GM Heritage factory kit — 1985 Chevrolet G Van, p.94.
Z73 Factory-verified
Documented applications
This page aggregates every documented appearance of Z73 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.