Wheel House Liner is a direct fit for the following:

2007-2013 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2007 Chevrolet Silverado 1500 HD Classic
2007-2013 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2007-2013 Chevrolet Silverado 3500 HD