Impeller 353-65021-0 353650210 353650210M for Tohatsu Nissan 2-stroke 45hp 50hp 55hp 70hp 45A 50 55B 70A2 2cyl outboard motors Number of Blades: 6 Plastic Hub Height: 23.80mm External Impeller Overall Diameter: 60.84mm Internal Shaft Insert Diameter: 17.20mm A External Impeller Overall Diameter: 60.84mm B Height: 23.80mm C Internal Shaft Insert Diameter: 17.20mm Number of Blades: 6 Plastic Hub