- 1998–2002 Factory-verified
the 2001–2002 lists read "LT225/75R16/E BL R/PE ST ALS"
ZHF Factory-verified
Also described as Tire, spare, LT225/75R16 B/W
Also documented for Chevrolet
Documented applications
- 2003–2010, 2014–2018, 2022–2027 Factory-verified
the 2022–2026 Upfitter lists read LT225/75R16 E 115/112 S BL ALS and the 2025–2027 guides Tire, spare LT225/75R16E all-season, blackwall; O: Cutaway 1WT, Cutaway 2WT (2025–2026); in the 2025–2027 guides only in the Cutaway guides
This page aggregates every documented appearance of ZHF in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.