2020-2026 GMC Sierra 3500HD Running Boards & Side Steps

Running boards and side steps engineered for the 2020-2026 GMC Sierra 3500HD, Double Cab and Crew Cab. Shop AMP Research PowerStep retractable boards, Westin HDX drop steps, N-Fab wheel-to-wheel nerf bars, and Go Rhino RB10 boards with mounting brackets included.

Do these running boards require drilling into the frame? No. Every board listed bolts to existing factory mounting points on the Sierra 3500HD rocker panel, so installation is typically 30-60 minutes with hand tools.

If it is listed on this page, it fits your truck -- guaranteed.