Engine Oil Cooler Gasket Kit for Ford PowerStroke 2003-2007 6.0L F Series & Excursion, 2004-2010 6.0L E Series, 2006-2010 4.5L LCF We are an authorized Alliant Part Dealer-you get your full warranty! All Alliant Parts are covered by a 13 month unlimited mileage warranty Parts are Manufactured in USA!