Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Power Head Gasket Kit 66T-W0001-00/66T-W0001-01 Viewer:1312 OEM No.: 66T-W0001-00/66T-W0001-01 For YAMAHA outboard 40 HP You May Also Be Interested In Lower Unit Gasket Kit 6H9-W0001-22 Gasket, Float Chamber 6H4-14984-00-00 Piston Ring 66T-11605-00 0.50 O-Ring Kit 393942/0393942