Wheels, 20 x 9 aluminum, polished

Years 2015–20, 2022–23 Models 6 Factory citations 21

Also described as Wheels, 20 x 9, polished aluminumWheels, 20 x 9 painted aluminum with machined face and Argent Metallic pocketsWheels, 20 x 9 aluminum, design 4

Also documented for Cadillac GMC

Documented applications

Silverado — K2XX (2014–2019)

2015, 2017 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.27.

Silverado — T1XX (2019–2026)

2020, 2022 Factory-verified

the 2020 list prints the size only; the finish is from the same guide's product page;

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.3.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.12.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

2016: LS: included with PDP; 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, p.6.
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.12.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.27.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.11.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.11.

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

2016: LS: included with PDP; 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, p.6.
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.12.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.27.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.11.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.11.

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 RD4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.