Seat adjuster, front passenger, 8-way power

Years 2020–27 Models 8 Factory citations 39

Also described as Seat adjuster, passenger 8-way powerSeat adjuster, passenger, powerSeat adjuster, passenger, 10-way power, including lumbarSeat adjuster, passenger, 10-way power with lumbarFront passenger seat, 8-way power

Also documented for Buick Cadillac GMC

Documented applications

Corvette — C8 (2020–2027)

2020–2027 Factory-verified

GM factory document — 2020 chevrolet corvette stingray order guide copy corvetteblogger, p.39.
GM factory document — 2021 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet corvette stingray order guide copy corvetteblogger, p.50.
GM factory document — 2023 chevrolet corvette fleet order guide wayback, p.2.
GM factory document — 2024 chevrolet corvette stingray z06 e ray order guide copy corvetteblogger, p.149.
GM factory document — 2025 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet corvette fleet order guide rpo codes, p.1.

Equinox — Fourth generation (2025–2027)

2025–2027 Factory-verified

O: ACTIV, RS; not offered: LT; included in, and only available with, ZL4

GM factory document — 2025 chevrolet all new equinox fleet order guide, p.19.
GM factory document — 2026 chevrolet equinox fleet order guide, p.19.
GM factory document — 2027 chevrolet equinox fleet order guide, p.20.

Silverado EV — BT1 (2024–2027)

2025–2027 Factory-verified

the 2025 guide prints "12-way power including lumbar"; 2025: S in 3LT, 2SP, 3SP; not offered in 2WT, 5WT, 8WT; 2026: S in 4LT, 3TR, 2SP, 3SP; A in 3LT, 2TR; not offered in 4WT, 5WT, 8WT, 2LT; 2027: S in 3TR; A in 3LT, 2TR; not offered in 4WT, 5WT, 8WT, 2LT; 2025: included with ZM9; 2026–2027: included and only available with ZM9

GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.7.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.9.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.8.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

10-way including lumbar on most trim groups; higher groups print 8-way and 14-way versions

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.24.

Silverado HD (T1XX, 2020–2027)

2025–2027 Factory-verified

only in: 2500 HD, 3500 HD

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.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.11.
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.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: LT, RST, Z71, Premier, High Country: S

GM factory document — 2025 chevrolet new suburban fleet order guide, p.10.
GM factory document — 2026 chevrolet suburban fleet order guide, p.10.
GM factory document — 2027 chevrolet suburban fleet order guide, p.10.
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

2027: LT, RST, Z71, Premier, High Country: S

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.11.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.11.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.11.
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 A7K in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.