S4X Factory-verified

Chevrolet · Regular Production Option

LPO, mirror caps, painted body-color

Years 2018–19, 2022–23, 2025–27 Models 6 Factory citations 23

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Also described as LPO, Black painted mirror capsLPO, Mosaic Black mirror capsLPO, mirror caps, black

Also documented for Cadillac GMC

Documented applications

Equinox EV — Ultium BEV2 (2024–2027)

2025–2027 Factory-verified

2025: A/D in LT 2 (included with PCH); D in LT 1 (included with PCH); not offered in RS; 2026: A/D in LT 1, LT 2 (included with PCH, PCQ or PCL); not offered in RS; 2027: A/D in LT 1, LT 2 (included with PCH); not offered in RS

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.

Equinox — Third generation (D2XX) (2018–2024)

2019 Factory-verified

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.119.

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.144.

Spark — M400 (2016–2022)

2018–2019 Factory-verified

LS: O; requires Silver Ice (GAN) or Summit White (GAZ), and in 2018 also Red Hot (GG2); 2018 from GM's 2018 order guide

GM factory document — 2018 chevrolet spark order guide copy gm authority, p.12, p.24.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.12, p.24.

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.50.
GM factory document — 2026 chevrolet suburban fleet order guide, p.54.
GM factory document — 2027 chevrolet suburban fleet order guide, p.24.
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.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.8.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: LS, LT, RST, Z71, Premier, High Country: O

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.66.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.71.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.29.
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.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.8.

This page aggregates every documented appearance of S4X in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.