Equipment group 1SP, RS

Years 1995, 1997, 2000, 2021–27 Models 6 Factory citations 22

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Also described as Package, option 14Preferred equipment group 1SPTrim group, RST

Also documented for Buick Cadillac GMC

Documented applications

Astro — Second generation (1995–2005)

2000 Factory-verified

GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.

Cavalier — third generation (1995–2005)

1995, 1997 Factory-verified

Z24 coupe 1995; LS convertible 1997

GM Heritage factory kit — 1995 Chevrolet Cavalier, p.14.
GM Heritage factory kit — 1997 Chevrolet Cavalier, p.100.

Malibu — ninth generation (2016–2025)

2021–2024 Single-source

rests only on the NICB VIN manuals (2021 p.45, 2022 p.38, 2023 p.33, 2024 p.42: series RS (1SP)); the 2019 and 2020 manuals print an RS series without a code
2025 Factory-verified

model 1ZS69

GM factory document — 2025 chevrolet malibu fleet order guide, p.1.

Silverado — T1XX (2019–2026)

2022–2026 Factory-verified

trim group printed under the RST heading of the guides;

GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.9.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.9.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.10.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide, p.1.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide, p.217.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide, p.100.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it option 14

GM factory document — 2025 chevrolet new suburban fleet order guide, p.1.
GM factory document — 2026 chevrolet suburban fleet order guide, p.1.
GM factory document — 2027 chevrolet suburban fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it option 14

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

This page aggregates every documented appearance of 1SP in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.