Outside Mirror Glass is a direct fit for the following:

2019-2023 Chevrolet Silverado 1500
2019 Chevrolet Silverado 1500 LD
2020-2023 Chevrolet Silverado 2500 HD
2020-2023 Chevrolet Silverado 3500 HD
2019-2023 GMC Sierra 1500
2020-2023 GMC Sierra 2500 HD
2020-2023 GMC Sierra 3500 HD

Genuine GM Part Number: 84309708