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Customer Service

  • Monday to Friday: 8am - 6pm EST
  • Saturday/Sunday: Closed


  • Monday to Saturday: 8am - 12am EST
  • Sunday: 9am - 10pm EST

Steelcraft Stainless STX400 Step Bars 400-23307

Product Information
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Our Price:
Part #:
  • Mounts to rocker panel
  • Sold in pairs


  • Heavy duty extruded aluminum construction
  • Wide 5" step area provides secure footing
  • E-Coating and textured powder coat for superior corrosion resistance
  • Limited lifetime warranty
  • Sold in pairs
  • One piece stamped end caps to deflect debris

Steelcraft stainless STX400 step boards immediately increase your vehicle function and ergonomics. They are manufactured from extruded aircraft grade aluminum. These rugged side steps are equipped with extra-long five-inch aggressive patterned step pads for safety and sure footing in any inclement conditions.

Steelcraft stainless STX400 step boards make entering your truck easier but also increase style with stainless steel cover plates over a textured powder-coated aluminum board.

Installation is easy with the included custom mounting brackets and hardware. Most side steps can be installed without drilling. If you plan on putting them on yourself, you should give yourself time for quick easy installation and substantial appreciation of the look.

Your Steelcraft stainless STX400 step boards come with a limited lifetime warranty whether your off-roading, working, or going out for groceries, you can count on these steps to be strong and durable. Call in for industry leading customer service a low price guarantee.

View Available Part Numbers For This Product Line

California Residents: Prop 65 Warning


  • (2015) Dodge Ram 1500 From 07/2015, Crew Cab
  • 2016-2018 Dodge Ram 1500, Crew Cab
  • (2019) Dodge Ram 1500 Classic (w/ 5-Lug Wheels), Crew Cab
  • (2015) Ram Truck 1500 From 07/2015, Crew Cab
  • 2016-2018 Ram Truck 1500, Crew Cab
  • (2019) Ram Truck 1500 Classic (w/ 5-Lug Wheels), Crew Cab


Watch This Video
Steelcraft Stainless STX400 Step Fast Facts
Watch This Video
Steelcraft STX400 Step Boards Fast Facts


Limited Lifetime Warranty

Steelcraft guarantees the original purchaser a LIMITED LIFETIME WARRANTY against manufacturer defects in materials, workmanship, and finish under normal use excluding damage resulting from road hazards, debris, product misuse, and improper installation, impairments from accidents, neglect, shipping, or product modification. This warranty applies only to new products and is limited to the repair or replacement of Steelcraft products.Warranty does not include cost of removal, installation, labor, freight, inconvenience, or consequential damage. Original purchaser must return defective merchandise to the original place of purchase and must provide the original receipt.


Installation time is kept to a minimum with custom mounting brackets that come included along with all the hardware you'll need. Steelcraft stainless STX400 step boards don't require any drilling for most models and should only take about an hour out of your day. If you have any questions about installing your running boards just give us a call we are open seven days a week.

Watch This Video
How to Install Steelcraft Stainless STX400 Step Boards