LPO, rear underseat storage, composite storage bin

Years 2014–20, 2022–27 Models 7 Factory citations 27

Also described as LPO, underseat organizer and I-Bar storageLPO, underseat storage, dealer-installedLPO, Rear underseat storage bin, compositeLPO, Rear underseat storage, composite storage binLPO, rear underseat storage

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)

2026–2027 Factory-verified

not available with ESG; 2026: A/D in 3SB, 3SC, 4SC, 5SB, 5SC; not offered in 4SD, 5SD; 2027: A/D in 3SB, 3SC, 4SC, 5SC; not offered in 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.20.
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 1500 — Next-Generation (2027)

2027 Factory-verified

Pro: O (ADI available); AT4, Elevation, AT4X, Denali, Denali Ultimate: not offered; dealer-installed

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.35.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

dealer-installed; 2015 marks: Sierra, SLE, SLT: O; 2018: GM's 2018 Sierra 2500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.2.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.18.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

Crew Cab includes a lockable lid; requires Crew Cab or Double Cab; dealer-installed

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
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 — K2XX (2014–2019)

2014, 2016–2019 Factory-verified

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.36.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.92.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.41.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.14.
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.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

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