LPO, black lug nut and wheel lock kit

Years 2019–20, 2022–27 Models 10 Factory citations 37

Also described as LPO, Black lug nut and wheel lock kit, with 20 lug nuts, 4 locks and 1 keyLPO, wheel lock kit, blackLPO, black lug nut and wheel lock kit, includes 28 lug nuts, 4 locks and 1 key, dealer-installedLPO, Black lug nut and wheel lock kitLPO, wheel locks, black

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

O on all trims

GM factory document — 2025 gmc acadia fleet order guide, p.18.
GM factory document — 2026 gmc acadia fleet order guide, p.18.
GM factory document — 2027 gmc acadia fleet order guide, p.20.

Canyon — Third generation (VSS-T) (2023–2027)

2023–2027 Factory-verified

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.12.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.13.
GM factory document — 2025 gmc canyon fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc canyon fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc canyon fleet order guide rpo codes, p.1.

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

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.20.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25.

Sierra EV — BT1 (2024–2027)

2026–2027 Factory-verified

also includes SPY; requires Q8G; not available with SFE; 2026: A/D in 3SB, 3SC, 5SB, 5SC; not offered in 4SC, 4SD, 5SD; 2027: A/D in 3SB, 3SC, 5SC; not offered in 4SC, 4SD, 5SD

GM factory document — 2026 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra ev fleet order guide, p.21.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.19.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation, AT4X: not offered; AT4, Denali, Denali Ultimate: O (ADI available); 20 lug nuts, 4 locks and 1 key; dealer-installed

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.49.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — T1XX (2020–2027)

2026–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup

GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

the upfitter lists read "Accessory, wheel locks, alternate finish"

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.13.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.14.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.14.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.14.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.16.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.14.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Yukon — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.12.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.12.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.34.
GM factory document — 2026 gmc yukon denali fleet order guide, p.35.
GM factory document — 2027 gmc yukon fleet order guide, p.31.

Yukon XL — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.12.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.12.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.34.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.36.
GM factory document — 2027 gmc yukon xl fleet order guide, p.32.

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