1999-2006 Chevrolet Silverado 1500 Standard Cab Pickup; 2007 Chevrolet Silverado 1500 Classic LS Standard Cab Pickup; 2007 Chevrolet Silverado 1500 Classic LT Standard Cab Pickup; 2007 Chevrolet Silverado 1500 Classic WT Standard Cab Pickup; 1999-2004 Chevrolet Silverado 2500 Standard Cab Pickup; 2001-2006 Chevrolet Silverado 2500 HD Standard Cab Pickup; 2007 Chevrolet Silverado 2500 HD Classic LS Standard Cab Pickup; 2007 Chevrolet Silverado 2500 HD Classic LT Standard Cab Pickup; 2007 Chevrolet Silverado 2500 HD Classic WT Standard Cab Pickup; 2001-2006 Chevrolet Silverado 3500 Standard Cab Pickup; 2007 Chevrolet Silverado 3500 Classic Standard Cab Pickup; 1999-2006 GMC Sierra 1500 Standard Cab Pickup; 2007 GMC Sierra 1500 Classic SL Standard Cab Pickup; 2007 GMC Sierra 1500 Classic SLE Standard Cab Pickup; 2007 GMC Sierra 1500 Classic WT Standard Cab Pickup; 1999-2004 GMC Sierra 2500 Standard Cab Pickup; 2001-2006 GMC Sierra 2500 HD Standard Cab Pickup; 2007 GMC Sierra 2500 HD Classic SL Standard Cab Pickup; 2007 GMC Sierra 2500 HD Classic SLE Standard Cab Pickup; 2007 GMC Sierra 2500 HD Classic WT Standard Cab Pickup; 2001-2006 GMC Sierra 3500 Standard Cab Pickup; 2007 GMC Sierra 3500 Classic Standard Cab Pickup