Boat Engine Impeller 19210-ZV7-003 18-3249 for Honda Marine 4-Stroke Outboard Motor Water Pump (3 cyl) Number of Blades: 6 Height: 20.20mm External Impeller Overall Diameter: 55.58mm Internal Shaft Insert Diameter: 16.83mm Net Weight: 21g A External Impeller Overall Diameter: 55.58mm B Height: 20.20mm C Internal Shaft Insert Diameter: 16.83mm Number of Blades: 6 Net Weight: 21g Condition: New All parts are available in stock, we can ship it out within 1-2 business days!