Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket, Upper Casing 66T-45114-A0 Viewer:862 OEM No.: 66T-45114-A0 For YAMAHA outboard 40 HP You May Also Be Interested In Gasket, Float Chamber 66T-14384-01 Gasket, Exhaust Manifold 6G1-41133-A0-00 Piston Kit 436976/0436976 STD Nut 95380-10600-00