Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket 66T-14959-00 Viewer:843 OEM No.: 66T-14959-00 For YAMAHA outboard 40 HP You May Also Be Interested In Gasket, Cylinder Head 6L5-11181-A1-00 Gasket 60X-44315-00 Gasket, Exhaust Cover 318925/0318925 Diaphragm 84141M