Boat Motor Water Pump Impeller 19210-ZW9-A32 for Honda 4 Stroke 8hp 9.9hp 15hp 20hp Outboard Engine (Brass Insert) Depth /Height/width :14.80mm Outer /External impeller overall Diameter: 45.46mm Internal shaft insert /Hub Diameter : 16.00mm Number of Blades: 6 Brass Hub / Insert A External Impeller Overall Diameter: 45.46 mm B Height: 14.80 mm C Internal Shaft Insert Diameter: 16.00 mm Number of Blades: 6 Brass Hub Net Weight: 37 g Condition: New All parts are available in stock, we can ship it out within 1-2 business days!