Damaged exhaust gaskets causing an exhaust leak? This exhaust flange gasket seals the exhaust system where two components are joined by a flange. This direct-replacement gasket matches the original design for a perfect fit. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C4500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [Chevrolet C5500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [Chevrolet Express 2500: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [Chevrolet Express 3500: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [Chevrolet Express 4500: 2009, 2010, 2011, 2012, 2013, 2014] - [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500 HD: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [Chevrolet Silverado 3500: 2001, 2002, 2003, 2004, 2005, 2006] - [GMC C4500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [GMC C5500 Topkick: 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [GMC Savana 2500: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [GMC Savana 3500: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [GMC Savana 4500: 2009, 2010, 2011, 2012, 2013, 2014] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500 HD: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [GMC Sierra 3500: 2001, 2002, 2003, 2004, 2005, 2006] - [Workhorse Custom Chassis P42: 2005] - [Workhorse LF72: 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Workhorse R26: 2009]