47-89983T 47-89983 47-20268 47-65959 18-3007 Boat Motor Water Pump Impeller for Mercury 30HP 35HP 40HP 45HP 50HP 60HP 65HP 70HP Outboard Engine Number of Blades: 6, Brass Hub Height: 18.71mm External Impeller Overall Diameter: 50.90mm Internal Shaft Insert Diameter: 19.09mm Net Weight: 40g A External Impeller Overall Diameter: 50.90 mm B Height: 18.71 mm C Internal Shaft Insert Diameter: 19.09 mm Number of Blades: 6 Net Weight: 40 g Brass Hub All parts are available in stock, we can ship it out within 1-2 business days!