LPO, sill plates, aluminum

Years 2017–19, 2023 Models 3 Factory citations 7

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Also described as LPO, door sill plates, aluminum

Documented applications

Bolt EV — first generation (2017–2023)

2017, 2023 Factory-verified

LT, Premier: dealer-installed option

GM factory document — 2017 chevrolet bolt ev fleet order guide wayback, p.2.
GM factory document — 2023 chevrolet 23 bolt ev body builder sm en us 2022aug26, p.10.
GM factory document — 2023 chevrolet 23 bolt euv body builder sm en us 2022aug29, p.10.
GM factory document — 2023 chevrolet bolt euv fleet order guide wayback, p.1.

Corvette — C7 (2014–2019)

2018–2019 Confirmed

only in: Grand Sport; all trims: O; CAC 2018–2019 guides; 2019 guide also at GM Authority

Spark — M400 (2016–2022)

2017–2019 Factory-verified

2017: all trims: O; 2018–2019: LS, 1LT, 2LT: O; 2018 from GM's 2018 order guide

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.8, p.15.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.11, p.20.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.11, p.20.

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