Tillman Isuzu Duramax J-44645 Front Crankshaft Seal and Wear Sleeve Installer Alt.Tillman Isuzu Duramax J 44645 Front Crankshaft Seal and Wear Sleeve Installer Alt. Applications: ISUZU 6. 6L Duramax Compatible Seals: 97209341 Vehicle Compatibility: 2001 and later GMT800, 2500HD, 3500 with 6. 6L Duramax diesel engine J 44645 is designed to install the seal to correct depth and alignment. Proper assembly of the inner and outer seals is crucial to prevent leaks, and this tool ensures accurate positioning. Made of high quality