Westin Platinum 21-1685 4-Inch Oval Step Bars with Mounting Kit, Black Powder Coat, Pair

Upgrade your truck’s access and appearance with Westin Platinum 21-1685 Step Bars. Designed for select 1999–2014 GM full-size extended cab trucks, this pair of 4-inch oval step bars provides a dependable stepping surface for easier cab entry and exit. The bent bar design follows the truck’s profile while adding a clean, integrated look to the exterior.
Constructed from durable steel, these Westin step bars feature a black powder-coated finish that helps resist corrosion, road debris, and everyday wear. The Platinum series design combines practical function with a streamlined appearance, making it a suitable addition for work trucks, daily drivers, and outdoor-focused vehicles. The included mounting kit supports a straightforward installation using vehicle-specific mounting locations.
Westin Part Number 21-1685 is engineered for extended cab applications and is supplied as a complete pair. Verify your truck’s cab configuration, model year, and fitment before ordering to ensure compatibility. Professional installation is recommended when needed, and installation hardware should be checked before use to confirm that all components are properly secured.

Features:

• Brand: Westin

• Part Number: 21-1685

• Application: Select 1999–2014 GM full-size extended cab trucks

• Style: Platinum 4-inch oval bent step bars

• Material: Durable steel construction

• Finish: Black powder coat for a clean appearance and added protection

• Installation: Includes vehicle-specific mounting kit

• Quantity: Complete pair