HIGH PRESSURE PUMP, CR SYSTEM CR SYSTEM GMC, HUMMER; Express; H1; Savana; Sierra 2500; Sierra 3500; Silverado; Express 2500 6.6 09/2005 - 08/2007; Express 2500 6.6 09/2006 - 08/2010; Express 3500 6.6 09/2005 - 08/2007; Express 3500 6.6 09/2006 - 08/2010; Express 4500 6.6 09/2008 - 08/2010; H1 6.6 Alpha 09/2005 - 12/2006; Savana 2500 6.6 09/2005 - 08/2007; Savana 2
