Features and Benefits:�designed to eliminate lip flare on the wear sleeve and installs the seal properly�Similar to OE part number 303-761The OTC 6887 Crankshaft Front Seal and Wear Ring Installer installs the front seal and wear ring on crankshaft. It's designed to eliminate lip flare on the wear sleeve and installs the seal properly. Use OE part number 303-1158 for 4.5L installation. Applications include Ford vehicles using the following engines: 2003-2007 F-250, F350, F-450, F-550, Excursion2004-2007 F-650, F-7502004-2010 E150, E-250, E-350, E-4506.0L and VT365-MaxxForce7 Navistar InternationalSimilar to OE part number 303-761.