LPO, Black lug nut and wheel lock kit

Years 2019–27 Models 14 Factory citations 56

Also described as LPO, Black wheel locksLPO, black wheel locksLPO, black lug nut and wheel lock kitLPO, black wheel locks, dealer-installedLPO, wheel locks, black

Also documented for Buick Cadillac GMC

Documented applications

Blazer — C1XX (2019–2026)

2019, 2025–2026 Factory-verified

2LT, 3LT, RS: O; Premier: O (2025 only)

GM factory document — 2019 chevrolet all new blazer fleet order guide wayback, p.3.
GM factory document — 2025 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet blazer fleet order guide, p.13.
GM factory document — 2026 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer fleet order guide, p.11.

Blazer EV (2024–2027)

2025–2027 Factory-verified

only in: Blazer EV, not the Police Package

GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

Bolt — second generation (2027)

2027 Factory-verified

LT, RS: O; requires SPY

GM factory document — 2027 chevrolet new bolt fleet order guide, p.8.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

O on all trims

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.13.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.14.
GM factory document — 2025 chevrolet colorado fleet order guide, p.47.
GM factory document — 2026 chevrolet colorado fleet order guide, p.53.
GM factory document — 2027 chevrolet colorado fleet order guide, p.52.

Corvette — C8 (2020–2027)

2020–2027 Factory-verified

GM factory document — 2020 chevrolet corvette stingray order guide copy corvetteblogger, p.41.
GM factory document — 2021 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet corvette stingray order guide copy corvetteblogger, p.53.
GM factory document — 2023 chevrolet corvette stingray z06 order guide copy corvetteblogger, p.97.
GM factory document — 2024 chevrolet corvette stingray z06 e ray order guide copy corvetteblogger, p.154.
GM factory document — 2025 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet corvette fleet order guide rpo codes, p.1.

Equinox EV — Ultium BEV2 (2024–2027)

2025–2027 Factory-verified

includes 20 lug nuts, 4 locks and 1 key; the 2025 list reads "LPO, Black wheel locks"; 2025: A/D in LT 2, RS (requires SPY); D in LT 1 (requires SPY); 2026–2027: A/D in all trims (included with VSF or VSJ; not available with SFE)

GM factory document — 2025 chevrolet new 25my equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet equinox ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet new 25my equinox ev fleet order guide, p.14.
GM factory document — 2026 chevrolet equinox ev fleet order guide, p.13.
GM factory document — 2027 chevrolet equinox ev fleet order guide, p.13.

Silverado EV — BT1 (2024–2027)

2026–2027 Factory-verified

2026: A/D in 4LT, 2SP, 3SP; not offered in 4WT, 5WT, 8WT, 2LT, 3LT, 2TR, 3TR; 2027: A/D in 4WT, 5WT, 8WT, 2LT, 3LT; not offered in 2TR, 3TR; 2026: included and only available with RGE; included and only available with USA; 2027: requires SW4; Sierra EV reads "LPO, black lug nut and wheel lock kit, includes 28 lug nuts, 4 locks and 1 key, dealer-installed"

GM factory document — 2026 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.50.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.21.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.146.

Silverado HD (T1XX, 2020–2027)

2023, 2026–2027 Factory-verified

only in: 2500 HD, 3500 HD

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.13.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026)

2022–2026 Factory-verified

GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.14.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.14.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.17.
GM factory document — 2025 chevrolet my25 silverado 1500 electrical bbm, p.14.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 chevrolet new suburban fleet order guide, p.24.
GM factory document — 2026 chevrolet suburban fleet order guide, p.25.
GM factory document — 2027 chevrolet suburban fleet order guide, p.25.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.12.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.12.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: retail guides: O on all trims

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.30.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.33.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.30.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.12.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.12.

Traverse — Third generation (2024–2027)

2025–2027 Factory-verified

O on all trims; included with SAY and EU2

GM factory document — 2025 chevrolet traverse fleet order guide, p.32.
GM factory document — 2026 chevrolet traverse fleet order guide, p.34.
GM factory document — 2027 chevrolet traverse fleet order guide, p.34.

Trax — Second generation, VSS-F (2024–2026)

2026 Factory-verified

all trims: O; not available with SFE; the 2026 guide marks it new

GM factory document — 2026 chevrolet trax fleet order guide, p.13.

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