- 2001, 2003–2007 Factory-verified
2005–2007: heavy-duty models only (GM’s HD list)
GM Heritage factory kit — 2006 Chevrolet Silverado, p.64.GM Heritage factory kit — 2007 Chevrolet Silverado, p.59.
C7W Factory-verified
Also described as GVW rating, 11,400 lbGVWR, 11,400 lbs (5171 kg), single rear wheels
Also documented for GMC
Documented applications
- 2009 Factory-verified
- 2001, 2003–2007 Factory-verifiedGM Heritage factory kit — 2001 Chevrolet Silverado HD, p.61.GM Heritage factory kit — 2005 Chevrolet Silverado 3500HD, p.193.
- 2007–2009 Factory-verified
- 2016–2019 Factory-verified
only in: 3500HD; 2017: GM's 2017 Silverado 3500HD order guide; 2018: GM's 2018 Silverado 3500HD order guide; 2019: GM's 2019 Silverado 3500HD order guide
This page aggregates every documented appearance of C7W in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.