- 2025–2026 Factory-verified
touch-up WA-133H; High Country, RS only; the 2026 guide says it is not available for ordering and built out for the 2026 model year
GXK Factory-verified
Documented applications
This page aggregates every documented appearance of GXK in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.