Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket, Lower Casing 682-45315-A0-00 Viewer:668 OEM No.: 682-45315-A0-00 For YAMAHA outboard 9.9, 15 HP You May Also Be Interested In Gasket, Upper Casing 66M-45113-00-00 Gasket, Cylinder Head 6L2-11181-00-00 O-Ring 6E5-43862-00-00 Liner, Pump Case 369-65011-0/369650110M