Add style and function to your Next Generation Sierra 1500 Double Cab with Black Sport Running Boards with Sierra Script Logo from GMC. This pair of Genuine GMC Accessories assist steps are designed and engineered for easy installation while providing a sturdy step for entering and exiting your vehicle. These factory option (S6L) assist steps feature the Sierra script logo while the molded and textured step surface helps provide increased traction and accessibility, even in wet and muddy weather. Constructed from aluminum to withstand the elements, these assist steps are then powder coated black to provide excellent durability for the life of your vehicle. These assist steps are commonly called step bars, molded assist steps and tubular assist steps. Genuine GMC Accessories Assist Step Mounting include pre-assembled mounting brackets and factory frame mounting hardware for easy installation in minutes, not hours.

• Designed and Engineered by GMC
• Genuine GMC Accessories provide Factory Fit, Finish and Function
• Pair of Black Sport Steps with Sierra Script Logo (Running Boards)
• Provides a sturdy method for entering and exiting your vehicle
• Pre-assembled brackets for installation in minutes, not hours
• Utilizes factory weld nuts in frame for precise mounting
• Factory option S6L, Double Cab Sport Step Assist Steps with Sierra Script in Black
• Replaces 84250990
• Includes two pre-assembled assist steps, installation hardware and installation instructions
• REQUIRES Double Cab Model
• EXCLUDES 2019 Sierra 1500 Double Cab LD Models which are NOT a Next Generation Model. Generally, an "LD" Emblem on the tailgate identifies this limited production Double Cab Model which is the same as the 2014-2018 model. Please use products found in the 2018 or contact us with your VIN to identify your model
• Double Cab (aka Extended Cab) and Crew Cab models both have four doors. However, these Assist Steps fit Double Cab Models that have smaller rear doors than Crew Cab Models. Double Cab Second Row Doors are approximately 32 inches while Crew Cab Second Row Doors measure approximately 42 inches
• EXCLUDES Crew Cab and Regular Cab models