Pwc/Sea Doo Back Oil Seal 290-830-638 Personal Watercraft Parts & Accessories Viewer:821 Item No: 290-830-638 Size: ID 40. OD 72. H 10 Fits: 1995-1999 Seadoo 800 Jet Ski You May Also Be Interested In Drive Shaft Repair Part 003-110K-F Cylinder Sleeve 496-44105-00 Seal, Bearing Carrier 0911685 Thermostat Kit 876097