Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Lower Unit Gasket Kit 66T-W0001-20 Viewer:783 OEM No.: 66T-W0001-20 For YAMAHA outboard 40 HP You May Also Be Interested In Gasket, Exhaust Inner Cover 6G0-41114-00 Gasket 61A-14959-00-00 Shim 663-45587-01-18 Fuel Connector 17710-ZW9-033