Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Power Head Gasket Kit 66T-W0001-00/66T-W0001-01 Viewer:1313 OEM No.: 66T-W0001-00/66T-W0001-01 For YAMAHA outboard 40 HP You May Also Be Interested In Lower Unit Gasket Kit 6H2-W0001-20-00 Gasket, Muffler 6H3-45123-00-00 Bearing 93317-22204-00 Power Head Gasket Kit 437155/0437155