Shop by Brand Yamaha OutboardSeal ; Seal, Labyrinth Back Seal 66T-42615-02-00 Viewer:45 OEM No.: 66T-42615-02-00 / 66T-42615-00-00 / 66T-42615 For Yamaha Outboard 40 HP You May Also Be Interested In Seal, Trim Dust 64E-43822-00-00 Seal, Labyrinth 63V-11515-02-00 Gasket, Cover 6E9-12414-A0-00 Piston Kit 785-9738T9/9738T 9 STD