SouthMarine Impeller 277181 434424 18-3001 for Johnson Evinrude BRP OMC 3HP 4HP 5HP 5.5HP 6HP 7.5HP 2-Stroke Outboard Motors Number of Blades: 6, Brass Hub Height: 12.72mm External Impeller Overall Diameter: 68.46mm Internal Shaft Insert Diameter: 11.01mm Net Weight: 41g A External Impeller Overall Diameter: 68.46 mm B Height: 12.72 mm C Internal Shaft Insert Diameter : 11.01 mm Number of Blades: 6 Net Weight: 41 g Brass Hub Condition: New All parts are available in stock, we can ship it out within 1-2 business days!