LPO, grille insert, chrome horizontal louver

Years 2015–19, 2022–23, 2025–27 Models 7 Factory citations 23

Also described as LPO, grille, Black mesh with Black header barLPO, grille insertLPO, grille insert, Z-Spec, Red HotLPO, grille inserts, alternate finish 2

Also documented for Cadillac

Documented applications

Blazer — C1XX (2019–2026)

2025–2026 Factory-verified

2LT, 3LT: O; RS: not available; Premier: O (2025 only)

GM factory document — 2025 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet blazer fleet order guide, p.32.
GM factory document — 2026 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer fleet order guide, p.24.

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.67.

Spark — M400 (2016–2022)

2018 Factory-verified

1LT, 2LT: O; requires 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.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

A/D on all trims; not with RZ9; 2016: LT: not with Z71; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.14.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.32.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.27.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.28.

Suburban — T1XX (2021–2027)

2022–2023 Factory-verified

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.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

A/D on all trims; 2015 reads grille insert; 2016: not with RZ9; LT: not with Z71; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.14.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.32.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.27.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.28.

Tahoe — T1XX (2021–2027)

2022–2023 Factory-verified

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.

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