- 1998–2002 Factory-verified
C7L Factory-verified
Also described as GVW rating, 12,000 lbsGVW rating, 12000 lbsGVWR, 12,000 lbs (5443 kg)
Also documented for CadillacChevrolet
Documented applications
- 2003–2007 Factory-verified
- 1998–2000 Factory-verified
- 1999–2001, 2003–2007 Factory-verified
2005–2007: heavy-duty models only (GM’s HD list)
- 2009 Factory-verified
- 2001, 2003–2007 Factory-verified
- 2007–2009 Factory-verified
- 2027 Factory-verified
only in: 2500 HD and 3500 HD pickup
- 1998–1999 Factory-verified
- 1998–1999 Factory-verified
- 2000–2001 Factory-verified
pickup or dual-rear-wheel code from the lists shared with the pickups; no source shows it on a Yukon
This page aggregates every documented appearance of C7L in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.