Bushwacker Bed Rail and Tailgate Caps protect your bedrails and tailgate from the nicks, scratches, and dings that come with using your truck for what it's made for. CAD-engineered for a perfect fit and providing more coverage than factory caps, our bedrail and tailgate caps are an easy way to add style and protection to your truck. - Fits - 2010-2013 GMC Sierra 1500 SL Fleetside 78.9 Bed, 2007-2009 GMC Sierra 1500 SLE Fleetside 78.7 Bed, 2010-2013 GMC Sierra 1500 SLE Fleetside 78.9 Bed, 2007-2009 GMC Sierra 1500 SLT Fleetside 78.7 Bed, 2010-2013 GMC Sierra 1500 SLT Fleetside 78.9 Bed, 2007-2009 GMC Sierra 1500 WT Fleetside 78.7 Bed, 2010-2013 GMC Sierra 1500 WT Fleetside 78.9 Bed, 2007-2014 GMC Sierra 2500 HD Fleetside 78.8 Bed, 2011-2014 GMC Sierra 2500 HD SLE Fleetside 78.8 Bed, 2011-2014 GMC Sierra 2500 HD SLT Fleetside 78.8 Bed, 2011-2014 GMC Sierra 2500 HD WT Fleetside 78.8 Bed, 2013-2014 GMC Sierra 3500 HD Fleetside 78.8 Bed, 2013 GMC Sierra 3500 HD Denali Fleetside 78.8 Bed, 2013 GMC Sierra 3500 HD SLE Fleetside 78.8 Bed, 2013 GMC Sierra 3500 HD SLT Fleetside 78.8 Bed, 2013 GMC Sierra 3500 HD WT Fleetside 78.8 Bed