AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black LP4 Made from durable ceramic with

Made from durable ceramic with a smooth

2006 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2001-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT 2007-2010 GMC Sierra 3500 HD SLE 2007-2010 GMC Sierra 3500 HD SLT 2007-2010 GMC Sierra 3500 HD WT 1989-1991 GMC V2500 Suburban Base 1989 GMC V2500 Suburban Sierra Classic 1990 GMC V2500 Suburban SLE 2010 GMC Yukon XL 2500 SLE 2010 GMC Yukon XL 2500 SLT

Some aftermarket radiators may cause fitment issues

All necessary clamps

AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black LP4 Made from durable ceramic withGetting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. Installation Instructions