Westin ProTraxx 6" Oval Cab Length Step Bars

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Fitment Info

  • 6" cab length step bars
  • Straight tube design
  • Injection-molded step pads
  • Domed ends
  • Black textured powder coat
  • Custom fit design
  • Available in two finishes
  • Sold in pairs
  • Strong steel construction
  • 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 cab length step bars that are made strong to last years
  • Mounts as close to the vehicle body as possible
  • Anti-skid step pads with excellent traction for a firm grip
  • Domed ends gives a seamless look and feel
  • Coated in a protective black powder that prevents rusting
  • Designed for a perfect fit on specific vehicle models
  • Choose between polished steel and black powder e-coated steel
  • Sold in pairs for each side of the vehicle
  • Made with strong and tough stainless steel
  • Manufacturer's guarantee of quality and performance

6" cab length step bars

The Westin ProTraxx Cab Step Bars extend 6" along the cab to give you the ultimate comfort and safety when getting in and out of your truck. They are made strong to last years and add value to your truck for as long as you need them. They are easy to clean, require low maintenance, easy to install, and come with the manufacturer's guarantee of quality and performance.

Straight tube design

Straight tube design

The step bars feature a straight-tube design which allows it to fit well along the vehicle body. This lets them mount as close to the vehicle as possible for your convenience and also to prevent damage.

Injection-molded step pads

Injection-molded step pads

The step pads are injection-molded for consistency. They are textured to prevent skidding and give you a firm grip so you can use them reliably and safely.

Domed ends

Domed ends

The Westin ProTraxx Cab Step Bars feature domed ends that seal out moisture and other damaging elements. They also give the ends a smooth look and feel.

Black textured powder coat

Black textured powder coat

They are coated in a black textured powder coat which prevents exposure to moisture and other damaging elements. The black coat also matches OE style accessories, giving a smooth blend of colors.

Custom fit design

Custom fit design

They are made for a perfect fit on specific vehicle models. To find this for your vehicle model, click the button above (Find this for your car) and enter your vehicle details. Contact us if you need further help.

Available in two finishes

Available in two finishes

The Westin ProTraxx Cab Step Bars are available in a black powder coat finish and polished stainless steel. Both finishes look great on most vehicle models and complement other Westin accessories such as the bumper and bull bar.

Sold in pairs

Sold in pairs

The step bars are sold in pairs - two in every set, one for each side.

Strong steel construction

Strong steel construction

They are crafted from strong steel which is incredibly durable. It doesn't bend, break, cut or weaken even after use in the roughest weather and road conditions.

Manufacturer's warranty

Manufacturer's warranty

The Westin ProTraxx Cab Step Bars come with Westin's warranty of quality and performance. You are assured that you have the best in terms of quality and value. Get in touch with us today if you need any help with your warranty and we will help you out where we can.

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Click here to view Westin's warranty.
Part Numbers

The following part numbers are available in this product line:

21-61310 21-61315 21-61330 21-61335 21-61400 21-61405 21-61680 21-61685 21-61950 21-61955 21-63240 21-63245 21-63250 21-63255 21-63510 21-63515 21-63520 21-63525 21-63550 21-63555 21-63560 21-63565 21-63710 21-63715 21-63720 21-63725 21-63930 21-63935 21-63940 21-63945

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

Chevrolet (1999-2018)

Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, 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 (1999-2018)

Sierra 1500, Sierra 1500 Classic, Sierra 2500, Sierra 2500 HD, Sierra 3500, Sierra 3500 HD

Ram (2011-2018)

1500, 2500, 3500

Toyota (2007-2018)