Boat Motor Water Pump Impeller 432941 0432941 18-3104 for Johnson Evinrude OMC BRP 40hp 50hp outboard motor Number of Blades: 3 Height: 25.07mm External Impeller Overall Diameter: 78.13mm Internal Shaft Insert Diameter: 19.11mm Net Weight: 70g A Outer /External impeller overall Diameter: 78.13 mm B Depth /Height/width :25.07 mm C Internal shaft insert /Hub Diameter : 19.11 mm Number Blades: 3 Net Weight: 70 g Condition: New All parts are available in stock, we can ship it out within 1-2 business days!