- 2024 Single-source
LS, LT; GM Authority 2024 interior article
HC8 Factory-verified
Also described as Axle, rear, 4.87 ratio
Documented applications
- 1999–2004 Factory-verified
This page aggregates every documented appearance of HC8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.