2020-2026 GMC Sierra 3500HD Regular Cab black 6-inch running boards are listed for this exact heavy-duty truck and cab.

Fitment & Details

Listed for 2020-2026 GMC Sierra 3500HD Regular Cab. Source details: 6-inch step, heavy-duty carbon steel, black finish, non-slip pads.

Included & Installation

Source lists left/right boards, brackets, installation hardware and instructions; bolt-on installation at factory mounting locations. A one-year limited manufacturer warranty is listed, subject to stated exclusions.

Which truck is listed?

2020-2026 GMC Sierra 3500HD Regular Cab.

Is it universal?

No. Verify Sierra 3500HD and Regular Cab.

What is included?

Left/right boards, brackets, listed hardware and instructions.

What should I verify?

Model year, Sierra 3500HD series and Regular Cab.

Running Boards & Nerf Bars | 6-Inch Nerf Bars

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