- 2005–2007 Factory-verifiedGM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.196.GM Heritage factory kit — 2006 Chevrolet Silverado, p.261.GM Heritage factory kit — 2007 Chevrolet Silverado, p.276.
9U4 Factory-verified
Documented applications
This page aggregates every documented appearance of 9U4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.