- 1996–1997 Factory-verified
only in: 92 models
GM Heritage factory kit — 1996 Chevrolet Motorhome, p.8.GM Heritage factory kit — 1997 Chevrolet Motorhome, p.20.
NNA Factory-verified
Documented applications
This page aggregates every documented appearance of NNA in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.