Products PWC- Sea DooOil Seal Back Oil Seal 290-830-638 Item number: 290-830-638 ID 40. OD 72. H 10 Fit on: 1995-1999 Seadoo 800 Jet Ski You May Also Be Interested In Oil Seal 290-831-952 Oil Seal 501480 Piston Kit 09-652-01 Bushing, Trim Controller 624-42542-00