Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket Kit 677-W0001-21-00 Viewer:66 OEM No.: 677-W0001-21-00 For Yamaha Outboard Engine You May Also Be Interested In Gasket, Upper Casing 6E5-45114-00-00/6E5-45114-A0-00 Gasket, Water Pump 6H3-44315-00-00 Nut, Castle 90171-18M04-00 Piston Kit 389155/0389155 STD