It is engineered and manufactured to match the fit and function of the original part. This part is compatible with the following vehicles. [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500: 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500: 2001, 2002, 2003, 2004, 2005, 2006].