- 2001–2002 Factory-verified
8R7 Factory-verified
Also described as Fuel tank filler neck, lowered, for 96 inch body width
Also documented for Chevrolet
Documented applications
- 2023 Factory-verified
This page aggregates every documented appearance of 8R7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.