1999-2006 Chevrolet Silverado 1500 Fleetside 78.0 Bed; 2002-2005 Chevrolet Silverado 1500 Base Fleetside 78.0 Bed; 2004-2006 Chevrolet Silverado 1500 Hybrid Fleetside 78.0 Bed; 2002-2006 Chevrolet Silverado 1500 LS Fleetside 78.0 Bed; 2002-2006 Chevrolet Silverado 1500 LT Fleetside 78.0 Bed; 2003-2006 Chevrolet Silverado 1500 SS Fleetside 78.0 Bed; 2004 Chevrolet Silverado 1500 WT Fleetside 78.0 Bed; 2006 Chevrolet Silverado 1500 WT Fleetside 78.0 Bed; 2004 Chevrolet Silverado 1500 Z71 Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 Classic Hybrid Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 Classic LS Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 Classic LT Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 Classic SS Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 Classic WT Fleetside 78.0 Bed; 2001-2003 Chevrolet Silverado 1500 HD Fleetside 78.0 Bed; 2005-2006 Chevrolet Silverado 1500 HD Fleetside 78.0 Bed; 2007 Chevrolet Silverado 1500 HD Classic Fleetside 78.0 Bed; 2001-2004 Chevrolet Silverado 2500 Fleetside 78.0 Bed; 2001-2006 Chevrolet Silverado 2500 HD Fleetside 78.0 Bed; 2003 Chevrolet Silverado 2500 HD Base Fleetside 78.0 Bed; 2003 Chevrolet Silverado 2500 HD LS Fleetside 78.0 Bed; 2003 Chevrolet Silverado 2500 HD LT Fleetside 78.0 Bed; 2007 Chevrolet Silverado 2500 HD Classic Fleetside 78.0 Bed; 2002-2005 GMC Sierra 1500 Base Fleetside 78.0 Bed; 2001 GMC Sierra 1500 C3 Fleetside 78.0 Bed; 2002-2005 GMC Sierra 1500 Denali Fleetside 78.0 Bed; 2002 GMC Sierra 1500 HT Fleetside 78.0 Bed; 2005-2006 GMC Sierra 1500 Hybrid Fleetside 78.0 Bed; 2001-2003 GMC Sierra 1500 SL Fleetside 78.0 Bed; 2006 GMC Sierra 1500 SL Fleetside 78.0 Bed; 2001-2006 GMC Sierra 1500 SLE Fleetside 78.0 Bed; 2001-2006 GMC Sierra 1500 SLT Fleetside 78.0 Bed; 2003-2006 GMC Sierra 1500 WT Fleetside 78.0 Bed; 2007 GMC Sierra 1500 Classic Hybrid Fleetside 78.0 Bed; 2007 GMC Sierra 1500 Classic SL Fleetside 78.0 Bed ..See Application Guide for Additional Fitments