Shop 6-inch running boards and nerf bars for listed 2007-2014 GMC Sierra 2500HD Crew Cab applications. This collection is narrowed to current in-stock products listed for the Sierra 2500HD, Crew Cab configuration, and a 6-inch step or board style. Confirm the exact supported model years on the individual product page before ordering.
Fitment first: Crew Cab, Extended Cab, and Regular Cab applications are not interchangeable. Verify the exact cab, supported years, dimensions, and package contents before checkout.
Related running-board collections
Frequently Asked Questions
Will every item fit every 2007-2014 Sierra 2500HD Crew Cab?
No. Product listings can support different portions of the 2007-2014 range. Confirm the exact year on the individual product page.
Does 6-inch establish fitment?
No. The 6-inch description refers to the listed step or board style. Exact truck model, model year, cab configuration, brackets, and exclusions still matter.
Are these genuine GMC OEM parts?
Unless an individual product page explicitly states otherwise, these are aftermarket parts selected for the listed applications.
Is installation identical across this collection?
No. Brackets, hardware, dimensions, and installation instructions can vary by kit. Follow the information supplied with the exact product you order.
Aftermarket trademark disclaimer: People Auto Parts is not affiliated with or endorsed by General Motors or GMC. GMC and Sierra names are used only to identify compatibility. Unless a product page explicitly states otherwise, items in this collection are aftermarket parts and are not genuine OEM components.
