This fuel cooler is designed to match the fit and function of the original cooler on specified vehicles, and is engineered for durability and reliable performance. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500 HD: 2007, 2008, 2009, 2010] - [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, 2007, 2008, 2009, 2010] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500 HD: 2007, 2008, 2009, 2010] - [GMC Sierra 3500: 2001, 2002, 2003, 2004, 2005, 2006]