Features: 1. Perfect Fitment – Works on the 6.0L Powerstroke Diesel Engine. 2. Direct Replacement – Alternative to Motorcraft / OTC 303-761 front seal and wear ring installer both in function and performance. Made from premium steel and rubber to add years to its life. 3. Great Function – Replace old broken one with this kit to help install, say goodbye to front crank seal leakage and make your 6.0L Powerstroke Diesel engine work efficiently. .