Shop 6-inch running boards and nerf bars within the 2020-2027 GMC Sierra 3500HD Regular Cab collection architecture. Current qualifying products are labeled through 2026. Confirm the exact supported model years, Regular Cab application, and any vehicle-specific notes on the individual product page before ordering.
2027 availability: This collection is reserved for confirmed 2027 GMC Sierra 3500HD Regular Cab products. Current qualifying listings are through 2026 and do not establish 2027 fitment. For a 2027 truck, use only a product page that explicitly includes 2027.
Choose the Right 6-Inch Step
Confirm Regular Cab first, then compare exact supported years, any rear-wheel or other application notes, step profile, material, finish, dimensions, brackets, package contents, exclusions, and installation notes.
Related GMC Sierra 3500HD Collections
Frequently Asked Questions
Does every product fit every 2020-2027 Sierra 3500HD Regular Cab?
No. Current qualifying products are labeled through 2026. Verify the exact supported model years and any additional application notes on the individual product page.
Do the current products establish 2027 fitment?
No. The page architecture extends to 2027, but current qualifying listings are through 2026. Use only a listing that explicitly includes 2027 for a 2027 truck.
Can Crew Cab or Double Cab boards be used on a Regular Cab?
Do not assume so. Cab configuration can change board length, brackets, mounting points, and step position. Choose a listing explicitly supporting Regular Cab.
What should I verify before installation?
Check exact year and Regular Cab fitment, any rear-wheel or other application notes, dimensions, package contents, included brackets or hardware, exclusions, and installation instructions.
Aftermarket trademark disclaimer: People Auto Parts is not affiliated with, sponsored by, or endorsed by General Motors LLC. GMC, Sierra, Sierra 3500HD, 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.
