Shop 1999-2006 GMC Sierra 1500 Regular Cab running boards and step boards by matching the exact model year, Regular Cab configuration, and product application shown on the individual product page. Regular Cab products are not interchangeable with Extended Cab or Crew Cab applications.
Choose the Right Regular Cab Step
The live assortment includes 5-inch and 6-inch running boards plus 6-inch step-board designs in black and stainless finishes where listed. Confirm exact year and Regular Cab fitment first, then compare stepping surface, profile, dimensions, materials, brackets, package contents, and installation notes.
Related Sierra 1500 Collections
1999-2006 GMC Sierra 1500 Regular Cab FAQ
Will every product on this page fit every 1999-2006 Sierra 1500 Regular 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 Regular Cab boards interchangeable with Extended Cab or Crew 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 Regular Cab configuration.
How should I compare 5-inch, 6-inch, and step-board designs?
Match fitment first, then compare stepping surface, profile, width, dimensions, material and finish details, and package contents. Width or finish alone does not determine compatibility.
What should I verify before installation?
Check the exact model year and Regular 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.
