Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket 66T-14959-00 Viewer:844 OEM No.: 66T-14959-00 For YAMAHA outboard 40 HP You May Also Be Interested In Gasket, Head Cover 6B4-11193-A1 Gasket, Water Pump 689-44315-01-00/689-44315-A0-00 Gasket, Cylinder Head 6L5-11181-A1-00 Impeller Cover 19231-ZW1-003