Engineered to fit. Made to protect. Built to last.
Steelcraft STX400 Step Boards for 2007-2018 Chevrolet Silverado 1500, 2500, 2500 and 3500 HD - All Silverado 2500 models, Crew cab and Regular cab and 2007-2018 GMC Sierra 1500, 2500 and 3500 HD - All Sierra models, Crew cab and Regular cab
Upgrade your truck with lightweight, high-strength Steelcraft STX400 Step Boards—precision-built from extruded aluminum for aircraft-grade durability, superior corrosion resistance, and an aggressive 5" stepping surface designed for daily use on work trucks and everyday drivers.
Key Features
- Extruded aluminum step board body for ultra-light weight and exceptional strength
- Custom mounting brackets included for a precise, vehicle-specific fit
- E-coated and powder coated for long-term rust and corrosion resistance
- Aggressive 5" custom polyethylene step pads for secure footing in all conditions
- Available in Black/Black or Black/Stainless finishes
- Simple, bolt-on installation on most applications
Fitment & Compatibility
- Vehicle: 2007-2018 Chevrolet Silverado 1500, 2500, 2500 and 3500 HD - All Silverado 2500 models, Crew cab and Regular cab and 2007-2018 GMC Sierra 1500, 2500 and 3500 HD - All Sierra models, Crew cab and Regular cab
- Cab Size: Crew Cab
- Part Number: 400-02230
- Mount Style: Rocker
- Finish Options: Black/Black or Black/Stainless
What’s in the Box
- STX400 Step Boards (pair)
- Vehicle-specific mounting brackets
- Hardware kit
- Installation instructions
Specs & Warranty
- Material: Extruded aluminum with polymer step pads
- Step Pad Width: 5 inches
- Finish: Black powder coat with optional stainless trim
- Warranty (Black/Stainless): Limited Lifetime Warranty
- Warranty (Black/Black): 3-Year Finish Warranty
- Most applications install using factory mounting points
- No drilling required on most models
- Verify cab size and year range before ordering
- Professional installation recommended for best results
Ready to add lightweight strength, aggressive footing, and OE-style function to your truck? Choose Steelcraft STX400 Step Boards for the perfect blend of durability, style, and everyday practicality.
The Steelcraft Advantage
With over 27 years of expertise, Steelcraft Automotive continues to lead the industry in premium aftermarket bumpers and accessories. Our American-based facilities in Corona, CA, Schertz, TX, and Douglas, GA allow us to innovate quickly and deliver products up to 180 days ahead of competitors. Choosing Steelcraft means choosing a brand backed by superior engineering, advanced coatings, and unmatched durability.
Product Details
- Item: 400-02230
- Title: 2007-2019 Chevrolet Silverado / GMC Sierra LD/HD 1500/2500/3500
- Year Make Model - Submodel: 2007 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2008 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2009 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2010 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2011 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2012 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2013 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2014 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2015 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2016 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2017 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2018 Chevrolet Silverado 1500 - Crew cab
- Year Make Model - Submodel: 2007 Chevrolet Silverado 1500 Classic - Regular cab
- Year Make Model - Submodel: 2007 Chevrolet Silverado 1500 HD Classic - Crew cab
- Year Make Model - Submodel: 2010 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2011 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2012 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2013 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2014 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2016 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2017 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2018 Chevrolet Silverado 2500 - All Silverado 2500 models
- Year Make Model - Submodel: 2007 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2008 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2009 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2010 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2011 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2012 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2013 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2014 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2015 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2016 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2017 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2018 Chevrolet Silverado 2500 HD - Crew cab
- Year Make Model - Submodel: 2007 Chevrolet Silverado 2500 HD Classic - Regular cab
- Year Make Model - Submodel: 2007 Chevrolet Silverado 3500 Classic - Regular cab
- Year Make Model - Submodel: 2007 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2008 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2009 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2010 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2011 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2012 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2013 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2014 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2015 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2016 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2017 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2018 Chevrolet Silverado 3500 HD - Crew cab
- Year Make Model - Submodel: 2007 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2008 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2009 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2010 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2011 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2012 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2013 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2014 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2015 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2016 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2017 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2018 GMC Sierra - All Sierra models
- Year Make Model - Submodel: 2007 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2008 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2009 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2010 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2011 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2012 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2013 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2014 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2015 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2016 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2017 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2018 GMC Sierra 1500 - Crew cab
- Year Make Model - Submodel: 2007 GMC Sierra 1500 Classic - Regular cab
- Year Make Model - Submodel: 2007 GMC Sierra 1500 HD Classic - Crew cab
- Year Make Model - Submodel: 2007 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2008 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2009 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2010 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2011 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2012 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2013 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2014 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2015 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2016 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2017 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2018 GMC Sierra 2500 HD - Crew cab
- Year Make Model - Submodel: 2007 GMC Sierra 2500 HD Classic - Regular cab
- Year Make Model - Submodel: 2007 GMC Sierra 3500 Classic - Regular cab
- Year Make Model - Submodel: 2007 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2008 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2009 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2010 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2011 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2012 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2013 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2014 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2015 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2016 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2017 GMC Sierra 3500 HD - Crew cab
- Year Make Model - Submodel: 2018 GMC Sierra 3500 HD - Crew cab
- Description: 07-19 Chevy Silverado / GMC Sierra LD/HD 1500/2500/3500 Crew Cab Alum/Black STX400 Step Boards
- Cab: Crew Cab
- Mount: Rocker
- Finish: Alum/Black
- Special Instructions: 85" long
- Warranty: Limited Lifetime
- LTL: No
- Master UPC: 840813163888
- Ext. Description: STX 400 Step Boards feature an extruded aluminum body, textured powder coating, stainless steel cover plates & 5” aggressive patterned step pads designed for years of service. Limited lifetime warranty
- Category Tree: Discontinued