Impeller 377230 777213 18-3083 for Johnson Evinrude OMC BRP 35hp 40hp 50hp 55hp Outboard Motors Number of Blades: 6, Net Weight: 62g Brass Hub Height: 21.79mm External Overall Diameter: 69.81mm Internal Shaft Insert Diameter: 15.91mm A External Overall Diameter: 69.81mm B Height: 21.79mm C Internal Shaft Insert Diameter: 15.91mm Number of Blades: 6 Net Weight: 62g Brass Hub