Shop by Brand Yamaha OutboardHousing ; Housing, Bearing ; Housing, Water Pump Back Housing, Water Pump 663-44311-00 Viewer:1165 OEM No.: 663-44311-00 For YAMAHA outboard 40 HP You May Also Be Interested In Housing, Bearing 6CE-45332-00-CA Housing, Water Pump 63D-44311-00-00 Cylinder Liner Sleeve 697-10935-00 Piston Ring 39-831255A6/831255A 6 STD