LPO, wheels, 22 Grazen Metallic, dealer-installed

Years 2025–26 Models 2 Factory citations 4

Query this via API →

Also documented for Chevrolet

Documented applications

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

SUV guide wording: LPO, Wheels, 22 inch Grazen Metallic. a second set of wheels; includes the 22 inch spare (SJK); not available with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25.

This page aggregates every documented appearance of SMB in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.