Category Pwc/Sea Doo Back Oil Seal 290-830-638 Personal Watercraft Parts & Accessories Viewer:1000 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 Complete Gasket Kit PWSE-0580Y-FU Oil Seal 290-830-749 Piston Kit 09-812 Gasket, Exhaust Pipe 6D3-14613-00-00