646-44352-02 Yamaha IMPELLER

Genuine Yamaha OEM water pump impeller for cooling systems on small displacement 2-stroke outboard motors. Rotating component that circulates seawater through engine block to dissipate heat. Typical specifications include 6 flexible neoprene and nylon blades, 47.9mm overall diameter, 14.0mm thickness, 10.9mm shaft. Service kits include impeller, housing seals, wear plate, and gaskets. Related part 646-44352-01-00 is also available. Essential for engine cooling; recommend replacement every 100 operating hours or annually.