Compare running boards and nerf bars for 2001-2006 GMC Sierra 2500HD trucks by confirming the exact model year and cab configuration on the individual product page before choosing a style.
Fitment First
Match Crew Cab, Extended Cab, or Regular Cab exactly as listed. After fitment is confirmed, compare the stated year range, dimensions, step profile, included brackets or hardware, and product-specific exclusions.
Related Sierra 2500HD Collections
2001-2006 GMC Sierra 2500HD Running Boards FAQ
Does every product fit every 2001-2006 Sierra 2500HD?
No. Confirm the exact supported model years and cab configuration on the individual product page.
Can Crew Cab, Extended Cab, and Regular Cab products interchange?
Do not assume they can. Use a product specifically listed for the truck's cab configuration.
How should I compare running-board styles?
After fitment is confirmed, compare the usable step surface, listed width, profile, material, finish, dimensions, and product photos.
What should I check before installation?
Review package contents, included brackets or hardware, mounting application, dimensions, exclusions, and installation notes.
Aftermarket trademark disclaimer: People Auto Parts is not affiliated with, sponsored by, or endorsed by General Motors LLC. GMC, Sierra, Sierra 2500HD, GM, and related names and trademarks belong to their respective owners and are used only to identify compatible applications. Products are aftermarket parts unless an individual listing expressly states otherwise.
