Impeller 19210-881-003 19210-881-A01 19210-881-A02 18-3245 for Honda Outboard Motor Water Pump Number of Blades: 8, Net Weight: 35g Height: 23.62mm External Impeller Overall Diameter: 41.07mm Internal Shaft Insert Diameter With Flat Key: 14.18mm Internal Diameter Without Flat Key: 13.19mm A External Impeller Overall Diameter: 41.07 mm B Height: 23.62 mm C Internal Diameter Without Flat Key : 13.19 mm Internal Shaft Insert Diameter With Flat Key: 14.18 mm Number of Blades: 8 Net Weight: 35 g Condition: New All parts are available in stock, we can ship it out within 1-2 business days!