Free Shipping On Orders Over $75. Details

Talk to a Sierra Enthusiast
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Sierra Enter daily!

Steel Craft STX400 Aluminum Rocker Mount Step Boards - Polished Stainless (07-13 Sierra 1500 Extended Cab)

AmericanTrucks no longer carries the Steel Craft STX400 Aluminum Rocker Mount Step Boards - Polished Stainless (07-13 Sierra 1500 Extended Cab). Please check out 2007-2013 Sierra 1500 Side Step Bars & Running Boards for an updated selection.
$0.00
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
We'll email you when your order ships with shop info and installation times.

Features & Details

  • Step Boards
  • Hop in Your Truck with Ease
  • Made from Extruded Aluminum Body
  • Features 5” Aggressively Patterned Step Pads
  • With Polished Stainless Finish
  • Ultra-Lightweight Build
  • Designed for Years of Heavy-Duty Service
  • Fits 2007 to 2013 GMC Sierra Extended Cab Models
Get a Leg Up on Your Truck. To make riding your truck easier, get the SteelCraft STX Aluminum Step Boards. With 5" wide step pads, these boards aren't just convenient. With their polished stainless finish, they also heighten the aggressive look of your truck.

As Tough as They Look. The SteelCraft STX Aluminum Step Boards don't just look strong. While they're lightweight, these step boards are actually made from extruded aluminum, an aircraft-grade material. The body of each board also offer superior corrosion resistance. And of course, the step pads are also made from a high-impact polymer material that's engineered to be UV resistant.

A Brand Synonymous with Innovation. These step boards are made by SteelCraft Inc., one of the top manufacturer of truck and SUV accessories in the country. While established back in 1998, the brand remains at the forefront of innovation, often churning out accessories months before other manufacturers do. So if you're looking for accessories for your brand-new vehicle, then this is the brand to look out for—no need to wait.

Application. The SteelCraft STX400 Aluminum Step Boards are compatible with GMC Sierra Extended Cab models released from 2007 to 2013.

Fitment: 2007 2008 2009 2010 2011 2012 2013 Details

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

What's in the Box
  • (1) Driver/Left Sidebar
  • (1) Passenger/Right Sidebar
  • (1) Passenger/Right Front Upper Bracket
  • (1) Passenger/Right Front Lower Bracket
  • (5) 5” Sidebar Brackets
  • (11) 8-1.25mm Clip-On Nuts
  • (12) 8-1.25mm x 20mm T-Bolts
  • (13) 8-1.25mm x 25mm Hex Bolts
  • (25) 8mm x 24mm x 2mm Flat Washers
  • (25) 8mm Lock Washers
  • (1) 8mm x 35mm Bolt Plate
  • (1) 8mm Nylon Lock Nut (Use with Bolt Plate)
  • (12) 8mm Hex Nuts
Installation Info
Tech Specs
Will it fit my Sierra 1500?
  • 4.3L V6 - 07, 08, 09, 10, 11, 12, 13
  • 4.8L V8 - 07, 08, 09, 10, 11, 12, 13
  • 5.3L V8 - 07, 08, 09, 10, 11, 12, 13
  • 6.0L V8 - 07, 08, 09
  • 6.0L V8 Hybrid - 10, 11, 12, 13
  • 6.2L V8 - 07, 08, 09, 10, 11, 12, 13

    Customer Photos

      Questions & Answers (1)

      1 Top Rated Question

      are these the matt black finish (picture on bottom) or the black and stainless? I don't see an option to choose.

      • The finish is a polished stainless with the black step pads.

      Helpful (0)
      Post Your Question

        Customer Reviews (1) Write a Review

        Overall Rating 5

        out of 5 stars

        Installation Time:Less than 1 Hour

        • Finish 5 5
        • Appearance 5 5
        • Bang For Your Buck 5 5



        • 5/5

          Installation Time: Less than 1 Hour

          June 19, 2018

          Review from Steel Craft STX400 Aluminum Rocker Mount Step Boards - Polished Stainless (14-18 Silverado 1500 Double Cab)

          Cool boards

          Easy to install, took me 25mins.Tough and durable. Looks pretty cool on my 2014 Silverado 1500 LTZ.

          SimeliQ

          Year: 2014 Submodel: LTZ Engine: 5.3L V8

          Helpful (11)