2021 GMC Sierra 2500 HD Side Bars and Sideskirts
Your 2021 GMC Sierra 2500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Side Bars and Sideskirts you desperately need.
We currently carry 66 Side Bars and Sideskirts to choose from for your 2021 GMC Sierra 2500 HD, and our inventory prices range from as little as $185.99 up to $987.99.
On top of low prices, Advance Auto Parts offers 5 different trusted brands of Side Bars and Sideskirts for the 2021 GMC Sierra 2500 HD. We only sell parts from trusted brands like Westin so that you can find quality parts you can count on.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Side Bars and Sideskirts stock in-person!
Side Bars and Sideskirts for Your 2021 GMC Sierra 2500 HD
Westin – PRO TRAXX 4 Oval Nerf Step Bars (Part No.21-24135)
from
$330.99
Westins Pro Traxx 4 Oval Nerf Step Bars feature a 4″ oval tube with a heavy-duty step pad that provides a wider and more secure step area. They feature 30° factory style bends that have seamless domed ends so there are no end-caps or exposed bolt heads. Applications are bolt-on installation.
Product Features:
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Product Features:
- 30 Degree Factory Style Bends At Each End Of Tube
- Fully Welded Domed Ends
- Injection Molded Polymer Step Pad
- Injection Molded Bracket Covers Incl. On Some Apps
- 4 in. Wide Step Area With Westin Logo
- Bolt On Installation; No Drill Required
Westin – PRO TRAXX 5 Oval Nerf Step Bars (Part No.21-54130)
from
$623.99
Westins Pro Traxx 5 Oval Nerf Step Bars feature a 5″ oval tube with a heavy-duty step pad that provides a wider and more secure step area. They feature 30° factory style bends that have seamless domed ends so there are no end-caps or exposed bolt heads. Applications are bolt-on installation.
Product Features:
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Product Features:
- 30 Degree Factory Style Bends At Each End Of Tube
- Fully Welded Domed Ends
- Injection Molded Polymer Step Pad
- Injection Molded Bracket Covers Incl. On Some Apps
- 5 in. Wide Step Area With Westin Logo
- Bolt On Installation
- No Drilling Required On Most Apps
Westin – HDX Drop Nerf Step Bars (Part No.56-14135)
from
$657.99
Westins HDX Drop Nerf Step Bars provide the rugged look and function that truck owners need and want. They feature a solid 1-piece steel construction and heavy duty punch plates creating high traction step areas. The HDX Drop Nerf Step Bars also feature Westins notched bar design which provides more than 2″ of additional toe/heel placement versus competitive brands. Available in a textured black finish that complements Westin HDX Bumpers. The HDX Drop Steps have vehicle specific applications and include a vehicle specific mount kit, installation hardware and instructions.
Product Features:
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Product Features:
- Die Stamped Stainless Steel Step Areas For Maximum Traction
- Over 2 More Inches Of Toe/Heel Step Area Than Our Competitors
- Removable Step Plates For Easy Cleaning
- Fits Tight To Rocker Panel For Solid Fit And Rugged Look
- Solid 1-Piece Construction
- Bolt-On Installation No Drilling Required For Most Applications
- Mount Kit Included
Westin – PRO TRAXX 5 Oval Nerf Step Bars (Part No.21-54135)
from
$587.99
Westins Pro Traxx 5 Oval Nerf Step Bars feature a 5″ oval tube with a heavy-duty step pad that provides a wider and more secure step area. They feature 30° factory style bends that have seamless domed ends so there are no end-caps or exposed bolt heads. Applications are bolt-on installation.
Product Features:
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Product Features:
- 30 Degree Factory Style Bends At Each End Of Tube
- Fully Welded Domed Ends
- Injection Molded Polymer Step Pad
- Injection Molded Bracket Covers Incl. On Some Apps
- 5 in. Wide Step Area With Westin Logo
- Bolt On Installation
- No Drilling Required On Most Apps
TrailFX – With Step Pads, 5"Oval Bent, Powder Coated, Black, Steel, Rocker Panel Mount (Part No.A7086B)
from
$549.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing: 60 Degree Bent Ends Tuck Into The Vehicle Body Which Offer A Smooth, Seamless Look
- Provides Moderate Protection Against Road Hazards And Debris
Westin – HDX Xtreme Nerf Step Bars (Part No.56-24135)
from
$611.99
Upgrade your vehicle with a set of heavy duty Westin’s HDX Xtreme Nerf Step Bars. Key design features include: Oversized step areas for easier cab entry and exit. A solid 1-piece construction and a textured powder coat finish. Strategically engineered step locations guarantee ease of access while also complementing the contours of your vehicle.
Product Features:
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Product Features:
- Mount Kit Included
- Oversized Step Areas For Easier Cab Entry And Exit
- Injection Molded Polymer Step Pad
- Fully Welded Construction
- Style Compliments HDX Bumpers
- Registered US Patent
TrailFX – Wheel-Wheel Nerf Bar (Part No.A7096B)
from
$596.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicles contours for a sleek and stylish look. With TrailFX step products, a custom look doesn’t have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability; Extra Large Molded Step Pads Provide Slip Resistant Entry Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out; Complement The Look Of Longer Wheel Base Trucks And Fit Wheel Opening To Wheel Opening
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing; Steel Mounting Brackets Are Included To Install Steps With Ease
- Limited 3 Year Warranty
Lund – NERF BARS (Part No.23810689)
from
$378.99
NERF BARS
Lund – NERF BARS (Part No.23810563)
from
$379.99
NERF BARS
Westin – R5 Nerf Step Bars (Part No.28-51275)
from
$568.99
Westin R5 Nerf Step Bars have 5 inch wide step area with a unique molded polymer step pad design. R5 Nerf Step Bars are rocker panel mounted and include injection molded bracket covers for a full and stylized appearance. R5 LED Light Kit upgrade is available, sold separately.
Product Features:
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Product Features:
- Mount Kit Included
- Rocker Panel Mounted
- 5 in. Wide Step Area
- Injection Molded Polymer Step Pad
- Incl. Injection Molded Bracket Covers
- Optional LED Light Kit Available [Sold Separately]
TrailFX – With Step Pads, 5 Inch Oval Bent, Polished, Ss,, Rocker Panel Mount (Part No.A7086S)
from
$502.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing: 60 Degree Bent Ends Tuck Into The Vehicle Body Which Offer A Smooth, Seamless Look
- Provides Moderate Protection Against Road Hazards And Debris
TrailFX – With Step Pads, 4 In Trapezoidal Straight, Powder Coated, Titanium Black, Steel (Part No.A4017B)
from
$393.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Dual UV-Resistant Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Heavy Duty Plastic End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Mounting Brackets Feature Molded Trim Covers For A Seamless Installation
- Trapezoid Step Shape Offers A Unique, Attractive Design That Adds Style To Any Vehicle
- Provides Moderate Protection Against Road Hazards And Debris
Lund – NERF BARS (Part No.23488964)
from
$329.99
NERF BARS
Westin – R7 Nerf Step Bars (Part No.28-71270)
from
$987.99
Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look.
Product Features:
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Product Features:
- Mount Kit Included
- OE Style
- Recessed Board Design Conceals Brackets
- Includes Molded Bracket Covers
Westin – HDX Stainless Drop Nerf Step Bars (Part No.56-141352)
from
$775.99
Westin’s HDX Stainless Drop Nerf Step Bars are built with corrosion-resistant, textured black painted stainless steel designed to last under the toughest of conditions. With 1-piece construction, these nerf step bars provide over 2 added inches of toe/heel step area than our competitors and fit tight to the vehicle’s rocker panel for a solid fit and rugged look. HDX Stainless Drop Nerf Step Bars include stainless steel step pads. Step plates are rust resistant and provide maximum traction. Bolt-on installation with no drilling is required. Includes mount kit.
Product Features:
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Product Features:
- Corrosion Resistant Black Powder-Coated Stainless Steel
- Die Stamped Stainless Steel Step Areas For Maximum Traction
- Over 2 More Inches Of Toe/Heel Step Area Than Our Competitors
- Features A Notched Bar Design With Heavy-Duty Step Plate
- Includes Rust Resistant Stainless Steel Step Plates
- Removable Step Plates For Easy Cleaning
- Fits Tight To Rocker Panel
- Solid 1-Piece Construction
- Bolt-On Installation No Drilling Required For Most Applications
- Mount Kit Included
TrailFX – With Step Pads, 6" Oval Bent Side Bars, Polished, Ss, With Welded End Caps (Part No.A8252S)
from
$757.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing
- Provides Moderate Protection Against Road Hazards And Debris
Westin – R7 Nerf Step Bars (Part No.28-71275)
from
$752.99
Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look.
Product Features:
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Product Features:
- Mount Kit Included
- OE Style
- Recessed Board Design Conceals Brackets
- Includes Molded Bracket Covers
TrailFX – With Step Pads, With Bed Step, 5" Oval Straight, Polished, Rocker Panel Mount (Part No.A7096S)
from
$742.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry Points To The Cab And Truck Bed
- Steel Mounting Brackets Are Included To Install Steps With Ease
- Complement The Look Of Longer Wheel-Base Trucks And Fit Wheel Opening To Wheel Opening: Oval Step Shape Offers A Wider Stepping Area For Secure Footing
- Provides Moderate Protection Against Road Hazards And Debris
Dee Zee – With Step Pads, 3" Round Bent/ 32" L, Polished, Ss, With Welded End Caps (Part No.DZ3700303)
from
$661.99
A tubular side step for your vehicle. Dee Zee Universal Steps are available when a custom fit application is not available for your vehicle. Drilling is required into the vehicle frame for mounting. Sturdy hidden bracing and hardware is coated to help prevent rust and keep your tubes strong. Molded plastic step pads provide a non-skid stepping area. Universal Nerf Bars are available in 3 Inch Round or 4 Inch Oval designs. 3 Inch Round designs are available in UltraShine Aluminum, Black Aluminum, Polished Stainless Steel or Black Steel. 4 Inch Oval designs feature UltraShine Aluminum or Black Aluminum.
Product Features:
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Product Features:
- Mounting Kit Included
- Frame Body Mount Bolts
- Drilling Required
- 1 Pad On The Bar
- Frame Mounted For Maximum Strength
- Powder Coated Steel Braces Resist Rust
- Powder Coated Steel Braces Resist Rust
- Molded Plastic Step Pads For Secure Footing
- Fit Most Full And Mid Size Pickups
Westin – R5 Nerf Step Bars (Part No.28-51260)
from
$657.99
Westin R5 Nerf Step Bars have 5 inch wide step area with a unique molded polymer step pad design. R5 Nerf Step Bars are rocker panel mounted and include injection molded bracket covers for a full and stylized appearance. R5 LED Light Kit upgrade is available, sold separately.
Product Features:
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Product Features:
- Mount Kit Included
- Rocker Panel Mounted
- 5 in. Wide Step Area
- Injection Molded Polymer Step Pad
- Incl. Injection Molded Bracket Covers
- Optional LED Light Kit Available [Sold Separately]
TrailFX – 3"Round Bent 90Deg, Powder Coated Black Steel, Rocker Panel Mount, With Step Pad (Part No.A8252B)
from
$651.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing
- Provides Moderate Protection Against Road Hazards And Debris
Westin – R7 Nerf Step Bars (Part No.28-71265)
from
$611.99
Westin R7 Boards feature oversized step pads and OE style traction grooves. R7 Boards are sold in complete kits that include: Driver and passenger-side boards vehicle specific mount kit and come with injection molded bracket covers for an extra clean look.
Product Features:
See More
Product Features:
- Mount Kit Included
- OE Style
- Recessed Board Design Conceals Brackets
- Includes Molded Bracket Covers
Lund – NERF BARS (Part No.23710563)
from
$591.99
NERF BARS
TrailFX – 4"Oval Straight, Polished, Ss, With Step Pad/Welded End Cap, Rocker Panel Mount (Part No.A1547S)
from
$581.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability
- Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing
- Provides Moderate Protection Against Road Hazards And Debris
Lund – NERF BARS (Part No.23979005)
from
$539.99
NERF BARS
Lund – NERF BARS (Part No.23910562)
from
$539.99
NERF BARS
Westin – Premier 6 Oval Nerf Step Bars (Part No.22-6030)
from
$536.99
Westin introduces their new Premier 6 Oval Tube Steps in a highly Polished Stainless Steel or Black Powdercoat Mild Steel finish. The new Premier 6 Oval Side Bars offer tough solid construction with a sleek 5 step pad. Available in 4 lengths 53 75 85 and
Product Features:
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Product Features:
- Unique Style w/Tough Construction
- Sleek Style And Finish
- OE Style Look
- UV Stable 5 in. Wide Step Pad
- Stylized End Caps
- Contoured Step Pad
- Lifetime Warranty
TrailFX – With Step Pads, 5" Oval Bent, Powder Coated, Black, Steel, Rocker Panel Mount (Part No.A7090B)
from
$529.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.
Product Features:
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Product Features:
- Rocker Panel Mount
- Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
- Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
- Oval Step Shape Offers A Wider Stepping Area For Secure Footing: 60 Degree Bent Ends Tuck Into The Vehicle Body Which Offer A Smooth, Seamless Look
- Provides Moderate Protection Against Road Hazards And Debris
FAQs for 2021 GMC Sierra 2500 HD Side Bars and Sideskirts
What are the most popular Side Bars and Sideskirts for the 2021 GMC Sierra 2500 HD?
With 5 brands you can trust, our most popular Side Bars and Sideskirts for the 2021 GMC Sierra 2500 HD parts are:
