LPO, cargo management system rails, dealer-installed

Years 2020, 2022–27 Models 3 Factory citations 11

Query this via API →

Also described as LPO, bed-mounted cross railsLPO, cargo management system rails

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.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.10.
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.18.

Sierra — T1XX (2019–2026)

2020, 2022–2025 Factory-verified

GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.15.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.15.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.15.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.17.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.15.

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