S6L Factory-verified

Chevrolet · Regular Production Option

LPO, off-road rocker protection

Years 2017–27 Models 6 Factory citations 24

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Also described as LPO, rocker panel protectorLPO, rocker protectionLPO, Assist steps, off-roadLPO, off-road assist stepsLPO, Off-road assist steps

Also documented for GMC

Documented applications

Colorado — Second generation (GMT31XX) (2015–2022)

2017–2019, 2021–2022 Factory-verified

2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.15.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.12.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.12.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.13.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

Trail Boss, Z71: O; WT, LT, ZR2: not offered

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.12.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.13.
GM factory document — 2025 chevrolet colorado fleet order guide, p.45.
GM factory document — 2026 chevrolet colorado fleet order guide, p.51.
GM factory document — 2027 chevrolet colorado fleet order guide, p.50.

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.65.

Silverado HD — K2XX (2015–2019)

2017–2019 Factory-verified

dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide

GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.23.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.34.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.34.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

only in: 2500 HD, 3500 HD, 3500 HD chassis cab; the Silverado 1500 doc reads this code as LPO rocker protection

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.13.
GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
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)

2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.13.
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.16.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of S6L in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.