Shop 2014-2018 GMC Sierra 1500 Double Cab running boards, nerf bars, and drop-step designs by matching the exact model year, Double Cab configuration, and product application shown on the individual product page. Double Cab products are not interchangeable with Crew Cab or Regular Cab applications.
Choose the Right Double Cab Step Style
The live assortment includes 5-inch and 6-inch running boards, nerf bars, step-board, drop-step, diamond-step, and selected aluminum designs in black, stainless, white, and other listed finishes. Confirm exact model-year and Double Cab fitment first, then compare stepping surface, profile, dimensions, materials, brackets, package contents, and installation notes.
Fitment Check Before Ordering
- Confirm the truck is a 2014-2018 GMC Sierra 1500 Double Cab and match the exact year on the product page.
- Do not substitute a Crew Cab or Regular Cab product based on similar width or appearance.
- Choose 5-inch, 6-inch, diamond-step, or drop-step styling only after fitment is confirmed.
- Review dimensions, brackets or hardware, package contents, and installation notes for the exact product.
Related Sierra 1500 Collections
2014-2018 GMC Sierra 1500 Double Cab FAQ
Will every product on this page fit every 2014-2018 Sierra 1500 Double Cab?
No. Exact mounting application and product design still need to match the truck. Use the individual product page as the controlling fitment source before ordering.
Are Double Cab boards interchangeable with Crew Cab or Regular Cab boards?
Do not assume so. Cab dimensions can change board length, brackets, mounting points, and step position. Choose a product that specifically names the Double Cab configuration.
How should I compare 5-inch, 6-inch, diamond-step, and drop-step designs?
Match fitment first, then compare stepping surface, profile, width, dimensions, material and finish details, and package contents. Width, finish, or style alone does not determine compatibility.
What should I verify before installation?
Check the exact model year and Double Cab application, included brackets or hardware, package contents, and installation notes. Do not assume drilling requirements or factory mounting-point use unless the product page states it.
Aftermarket trademark disclaimer: People Auto Parts is not affiliated with, sponsored by, or endorsed by General Motors LLC. GMC, Sierra, Sierra 1500, GM, and related 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.
