Heavy-duty trucks sit tall. Running boards, nerf bars and side steps make it easier to climb into your Sierra 2500 HD and protect the rocker panels.
- Cab style sets the length: Regular, Double and Crew Cab trucks each take their own size.
- Year matters because mounting points change between body styles.
- Lifted trucks do best with drop steps or wheel-to-wheel boards.
Select your truck in the vehicle bar above to see only steps that fit.


TrailFX
TrailFX A7064B 5-Inch Oval Bent Black Powder-Coated Steel Rocker Panel Step Bars
Sale price$449.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7064S 5-Inch Oval Bent Polished Stainless Steel Rocker Panel Step Bars
Sale price$585.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7086B 5-Inch Oval Bent Nerf Bars with Step Pads, Black Powder-Coated Steel
Sale price$449.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7086S 5-Inch Oval Bent Stainless Steel Nerf Bars with Step Pads
Sale price$626.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7087B 5-Inch Oval Straight Nerf Bars with Step Pads, Black Powder-Coated Steel
Sale price$409.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7087S 5-Inch Oval Straight Nerf Bars with Step Pads, Polished Stainless Steel
Sale price$591.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7089B 5-Inch Oval Straight Nerf Bars with Surface Steps, Black Powder Coat
Sale price$409.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7089S 5-Inch Oval Stainless Steel Nerf Bars with Black Step Pads
Sale price$552.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7090B 5-Inch Oval Black Powder-Coated Nerf Bars with Surface Steps
Sale price$449.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7090S 5-Inch Oval Bent Stainless Steel Nerf Bars with Surface Steps
Sale price$585.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7096B 5-Inch Oval Wheel-to-Wheel Nerf Bars with Step Pads, Black Powder Coat
Sale price$550.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7096S 5-Inch Oval Wheel-to-Wheel Nerf Bars with Step Pads
Sale price$292.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7097B 5-Inch Oval Black Steel Nerf Bars with Surface Steps
Sale price$294.99
In Stock
★ Mission Ready


TrailFX
TrailFX A7097S 5-Inch Oval Stainless Steel Nerf Bars with Black Step Pads
Sale price$438.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8220B 6-Inch Oval Straight Rocker Panel Mount Step Bars, Black Powder-Coated Steel
Sale price$489.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8220S 6-Inch Oval Straight Stainless Steel Rocker Panel Step Bars
Sale price$674.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8221B 6-Inch Oval Straight Black Powder-Coated Steel Rocker Panel Mount Step Bars
Sale price$254.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8221S 6-Inch Oval Straight Stainless Steel Nerf Bars with Step Pads
Sale price$674.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8252B 6-Inch Oval Bent Nerf Bars with Step Pads, Black Powder-Coated Steel
Sale price$537.99
In Stock
★ Mission Ready


TrailFX
TrailFX A8252S 6-Inch Oval Bent Stainless Steel Nerf Bars with Step Pads
Sale price$674.99
In Stock
★ Mission Ready


TrailFX
TrailFX A4 Series AL4003B Hexagonal Aluminum Nerf Bars with Black Step Pads
Sale price$404.99
In Stock
★ Mission Ready


TrailFX
TrailFX A4 Series AL4004B 4.5-Inch Hexagonal Aluminum Nerf Bars with Surface Steps
Sale price$409.99
In Stock
★ Mission Ready


TrailFX
TrailFX A4 Series AL4005B Hexagonal Aluminum Nerf Bars with Black Step Pads
Sale price$404.99
In Stock
★ Mission Ready


TrailFX
TrailFX A4 Series AL4006B Hexagonal Aluminum Nerf Bars with Surface Steps
Sale price$409.99
In Stock
★ Mission Ready
GMC Sierra 2500 HD fitment tips
- Beds are 6 ft 9 in (standard) or 8 ft 2 in (long). Match covers, toolboxes and transfer tanks to yours.
- The 2024 refresh changed the front fascia, so many bumpers and grille guards are split into 2020–2023 and 2024+.
- Factory-lifted trims like the AT4X don't need leveling kits and may not accept standard lift kits.
- The MultiPro tailgate can affect tailgate seals and some bed covers.
- Not sure about your trim, cab or bed length? Use the vehicle selector at the top of the page, or contact us with your VIN and we'll confirm fitment before you order.
More GMC Sierra 2500 HD parts
Running boards & side steps · Lift & leveling kits · Shocks · Floor liners · Tonneau covers · Bed liners & bed mats · Toolboxes

