682-44352-01 47-96619M 47-84027M 47-84027T 18-3074 Water Pump Impeller for Yamaha 9.9D 15D 9.9HP 15HP Outboard Motors/Mercury Mariner 9.9HP 15HP 9.9C 15C 15K W15 Boat Motors Number of Blades: 6 Height: 21.94mm External Impeller Overall Diameter: 39.54mm Internal Shaft Insert Diameter: 13.20mm Plastic Hub, Net Weight: 10g