AMP Research 19-21 GM 1500 & 20-23 GM 2500/3500HD Extended Cab/Double Cab PowerStep Smart Series - 86254-01A

PowerStep SmartSeries Running Board fits 2019-2021 Silverado/Sierra 1500, 2020-2023 Silverado/Sierra 2500/3500 Double/Crew Cab
The new Powerstep Smart Series is the latest innovation to bring more control for the electric-powered running board right to your fingertips. Enjoy the in-app flexibility to override your steps to stay up or down, as well as power on/off the integrated or an auxiliary LED light system.