Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket, Upper Casing 66T-45113-A0 Viewer:1236 OEM No.: 66T-45113-A0 For YAMAHA outboard 40 HP You May Also Be Interested In Power Head Gasket Kit 6K7-W0001-00-00 Lower Unit Gasket Kit 688-W0001-21-00/688-W0001-22-00 Crankcase Assembly 63V-15100-00-94 Mount Rubber, Lower Side 687-44555-00-94