- 2002–2009 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Trailblazer, p.28.
N74 Factory-verified
Also documented for BuickGMCOldsmobileSaturn
Documented applications
This page aggregates every documented appearance of N74 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.