Conveniently packaged in a set of five, Dorman Diesel Fuel Filter Bleeder Screws securely fit in the filter housing to seal the fuel system. Their high-quality construction ensures a long service life and restores proper vehicle function. Vehicle model years this part fits: Chevrolet C4500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Chevrolet C5500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 C4500 Top kick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 GMC C5500 Top kick: 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 LF72: 2005, 2006, 2007, 2008, 2009, 2010, 2011 Workhorse R26: 2009