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 A0033B 3-Inch Round Bent Black Powder-Coated Steel Nerf Bars with Step Pads
Sale price$285.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0033S 3-Inch Round Bent Polished Stainless Steel Nerf Bars with Step Pads
Sale price$156.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0034B 3-Inch Round Bent Black Powder-Coated Steel Nerf Bars with Step Pads
Sale price$300.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0034S 3-Inch Round Bent Polished Stainless Steel Nerf Bars with Step Pads
Sale price$210.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0057B 3-Inch Round Bent Nerf Bars with Black Step Pads
Sale price$300.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0057S 3-Inch Round Bent Stainless Steel Nerf Step Bars with Step Pads
Sale price$364.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0058B 3-Inch Round Bent Black Powder-Coated Nerf Bars with Step Pads
Sale price$285.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0058S 3-Inch Round Polished Stainless Steel Nerf Bars with Surface Steps
Sale price$350.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0061B 3-Inch Round Black Powder-Coated Nerf Bars with Step Pads
Sale price$248.99
In Stock
★ Mission Ready


TrailFX
TrailFX A0061S 3-Inch Polished Stainless Steel Round Nerf Bars with Surface Steps
Sale price$303.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1002B 4-Inch Oval Bent Black Titanium Powder-Coated Rocker Panel Step Bars
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1002S 4-Inch Oval Bent Polished Stainless Steel Rocker Panel Nerf Bars with Step Pads
Sale price$486.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1003B 4-Inch Oval Bent Black Titanium Powder-Coated Rocker Panel Step Bars
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1003S 4-Inch Oval Bent Polished Stainless Steel Rocker Panel Step Bars
Sale price$486.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1010B 4-Inch Oval Bent Nerf Bar Step Bars with Step Pads, Black Titanium Powder Coat
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1010S 4-Inch Oval Bent Stainless Steel Nerf Bar Step Bars with Step Pads
Sale price$486.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1011B 4-Inch Oval Black Powder-Coated Steel Nerf Bars with Steps
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1011S 4-Inch Oval Polished Stainless Steel Nerf Bars with Surface Steps
Sale price$265.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1527B 4-Inch Oval Straight Rocker Panel Mount Nerf Bars, Black Powder Coated
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1527S 4-Inch Oval Straight Stainless Steel Rocker Panel Step Bars
Sale price$419.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1528B 4-Inch Oval Straight Black Powder-Coated Rocker Panel Nerf Bars
Sale price$320.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1528S 4-Inch Oval Straight Stainless Steel Rocker Panel Step Bars
Sale price$419.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1529B 4-Inch Oval Straight Nerf Bars with Step Pads, Black Powder-Coated Mild Steel
Sale price$255.99
In Stock
★ Mission Ready


TrailFX
TrailFX A1529S 4-Inch Oval Straight Stainless Steel Nerf Bars with Step Pads
Sale price$390.99
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

