Ford 3C3Z-6A051-AA - HEATER ASY 6.0L / 6.4L Powerstroke Diesel Engine Block Heater Element F-250 F-350 F-450 F-550 Super Duty Excursion E-350 E-450 Super Duty Econoline Van 2003 2004 2005 2006 2007 2008 2009 2010 3C3Z*6A051*AA FORD 3C3Z-6A051-AA