This fuel filter primer housing seal kit is designed to match the original components and hardware required to repair the housing on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500 HD: 2007, 2008, 2009, 2010, 2011, 2012] - [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, 2011, 2012] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500 HD: 2007, 2008, 2009, 2010, 2011, 2012] - [GMC Sierra 3500: 2001, 2002, 2003, 2004, 2005, 2006] - [Workhorse Custom Chassis P42: 2005] - [Workhorse Custom Chassis W72: 2007] - [Workhorse LF72: 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Workhorse R26: 2009]