- 2003–2006 Factory-verifiedGM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.GM Heritage factory kit — 2005 Chevrolet Avalanche, p.32.
DUF Factory-verified
Also documented for CadillacGMC
Documented applications
- 2003–2006 Factory-verifiedGM Heritage factory kit — 2004 Chevrolet Suburban, p.40.
- 2003–2006 Factory-verified
This page aggregates every documented appearance of DUF in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.