SouthMarine Boat Engine Impeller 68T-44352-00 68T-44352-00-00 18-8910 for Yamaha 4 Stroke 6HP 8HP 9.9HP Outboard Motors Water Pump Number of Blades: 6 Plastic Hub, Net Weight: 7g Height: 13.03mm External Impeller Overall Diameter: 52.88mm Internal shaft insert Diameter: 11.60mm A External Impeller Overall Diameter: 52.88 mm B Height: 13.03 mm C Internal Shaft Insert Diameter : 11.60 mm Number of Blades: 6 Plastic Hub Net Weight: 7 g Condition: New All parts are available in stock, we can ship it out within 1-2 business days!