2003-2006 GMC Sierra 3500 / 3500HD Regular Cab - Westin HDX Running Boards (Black)

Westin GMC Sierra 3500 HDX Running Boards Regular Cab 2003-2006 57-51405
Sample Image Shown (actual item may vary slightly)
Westin #57-51405
Westin - 57-51405-sierra-3500-westin
Authorized Dealer
Our Price
  • $519.00
Free Shipping
Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Introducing Westin HDX Running Boards which provide unprecedented style with its impressive diamond tread design alongside added functionality and easy of entry and exit for your GMC Sierra 3500. Built from a solid steel one piece construction with a black powder coat finish, you can count on a strong platform to provide easy entry and exit with stylish diamond treading complete with a durable back splash guard to provided additional exterior protection. Your Westin HDX Running Boards will arrive complete with a mounting hardware kit for a no drill installation. These steps are built with longevity and quality in mind and Westin stands strong behind them with a three year warranty. Enhance your vehicles style and look today with Westin HDX Running Boards for your GMC Sierra 3500.

Features and Benefits

  • Solid one piece construction built from mild steel
  • Black powder coat finish
  • Diamond Tread design
  • Back splash guard offers extra protection for your GMC Sierra 3500
  • Built in the USA
  • Westin HDX Running Boards come with custom mounting hardware kit for no-drill installation
  • Backed by a three year warranty

Installation Notes

1. Will fit 2007 Classic models (older body style) 2. Rocker Mount

Tech Specs

Download Instructions: 57-51405 Instructions
Material: Steel
Finish: Black
Quantity Included: (1) Pass & (1) Driver Side (with required hardware)
Length: Cab Length
Weight: 47.00 lbs.
Part 57-51405 fits:
  • 2006 GMC Sierra 3500
  • 2005 GMC Sierra 3500
  • 2004 GMC Sierra 3500
  • 2003 GMC Sierra 3500


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