- 1994–1996 Single-source
400 cu in, naturally aspirated; G30 at 8,600 lb GVWR and above; shared G-van platform code; cited from the Chevrolet G-Van kit; 1994–1996 rests on the Chevrolet-only G-Van books, so the row is single-source
GM Heritage factory kit — 1994 Chevrolet G Van, p.12.GM Heritage factory kit — 1995 Chevrolet G Van, p.3.GM Heritage factory kit — 1996 Chevrolet G Van, p.41.
L57 Single-source
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of L57 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.