Westin ProTraxx 5" Oval Cab Length Step Bars

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Fitment Info

  • 5" cab length step bars
  • 30 degree bend
  • Welded end caps
  • Available in two finishes
  • Custom-fit design
  • Sold in pairs
  • No-drill installation
  • Manufacturer's warranty

Our #1 value is customer service.

We believe in doing right by our customers, no matter what it takes.

In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.

- Alan Marek, Founder of PartCatalog.com

The Lowest Price Anywhere--Guaranteed

At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.

Free Shipping Both Ways

Our “free shipping both ways” policy means that returns and orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.

100% Guaranteed to Fit

In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.


  • High quality, firm and durable step bars for the cab length
  • 30 degree bend gives them a smooth look and reduces exposure to rust
  • Welded ends reduce exposure to corrosive agents and give a finished look
  • Choose from stainless steel and a black powder coat
  • Designed for a perfect fit on specific vehicle models
  • Sold pairs for each side of the vehicle
  • Easy installation with no drilling at factory points
  • Manufacturer's guarantee of quality and performance

5" cab length step bars

The Westin ProTraxx Cab Step Bars extend along the cab to provide a firm, safe, and reliable stepping surface. They extend 5" along the cab with an extra-wide stepping surface to make it easier for you and your passengers to mount in and out of the truck. They also add a rugged look to your ride and match well with other exterior accessories to give a well-blended look.

30 degree bend

30 degree bend

The thirty-degree bend gives the bars a smooth finish while getting rid of sharp edges that not only present safety hazards but also create weak points for rust and corrosion to set in.

Welded end caps

Welded end caps

The step bars have welded end caps to reduce exposure to corrosive agents such as moisture. They also give a smooth feel and look.

Available in two finishes

Available in two finishes

The Westin ProTraxx Cab Step Bars are available in a polished stainless steel finish and a black e-coated powder. These finishes easily blend in with most vehicle exteriors as they are made to match OE specifications for a factory look.

Custom-fit design

Custom-fit design

They are designed for a custom fit on specific vehicle models. Use the blue-button above (Find this for your car) to enter your vehicle details so you can find the perfect fit for your car.

Sold in pairs

Sold in pairs

They are sold in pairs for each side of the vehicle.

No-drill installation

No-drill installation

The Westin ProTraxx Cab Step Bars are easy to install. You only need to bolt them in the factory holes that come pre-drilled. All the hardware necessary is included in the package along with detailed instructions to help you go about it.

Manufacturer's warranty

Manufacturer's warranty

Westin Automotive provides a guarantee of quality and performance for every purchase of these step bars. It is a promise of value and service with no compromises or failing. Reach out to us today if you need any help with your warranty and we will assist you to the best of our ability.

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Click here to view Westin's warranty.
Part Numbers

The following part numbers are available in this product line:

21-51310 21-51315 21-51330 21-51335 21-51400 21-51405 21-51680 21-51685 21-51950 21-51955 21-52770 21-52775 21-53240 21-53245 21-53250 21-53255 21-53510 21-53515 21-53520 21-53525 21-53550 21-53555 21-53560 21-53565 21-53580 21-53585 21-53700 21-53705 21-53710 21-53715 21-53720 21-53725 21-53830 21-53835 21-53840 21-53845 21-53850 21-53855 21-53860 21-53865 21-53930 21-53935 21-53940 21-53945 21-54000 21-54005 21-54010 21-54015 21-54020 21-54025

To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Chevrolet (2007-2018)

Colorado, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD

Dodge (2009-2010)

Ram 1500, Ram 2500, Ram 3500

Ford (1999-2018)

F-150, F-250, F-250 Super Duty, F-350 Super Duty

GMC (2007-2018)

Canyon, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD

Nissan (2016-2018)

Titan, Titan XD

Ram (2011-2018)

1500, 2500, 3500

Toyota (2005-2018)

4Runner, Tacoma, Tundra