Water Pump Impeller 6E0-44352-00 6E0-44352-003 47-96305M 18-3073 for Yamaha Mercury Mariner 4HP 5HP 6HP Outboard Motors Number of Blades: 6 Height: 12.27mm External Impeller Overall Diameter: 39.93mm Internal shaft insert Diameter: 10.76mm Net Weight: 7g Number of Blades: 6 Depth: 12.27 mm External Impeller Overall Diameter: 39.93 mm Internal shaft insert Diameter : 10.76 mm Net Weight: 7 g All parts are available in stock, we can ship it out within 1-2 business days!