2019-2021 Chevy Silverado 1500 Extended Cab/ Double Cab\ 2019-2021 GMC Sierra 1500 Extended Cab/ Double Cab\ 2020-2021 Chevy Silverado 2500/3500 Extended Cab/ Double Cab\ 2020-2021 GMC Sierra 2500/3500 Extended Cab/ Double Cab|Incl. Diesel models with DEF tanks|Excl. 2019 Silverado 1500 LD & 2019 Sierra 1500 Limited 5 Inch Door to Door 6061 Aircraft Aluminum Hairline finish