F35 Johnson Pump Impeller Kit | Johnson Pump 09-806B-1 OE Johnson Pump MC97 impeller kit fits various Johnson Pump F35 series engine cooling pumps. MC97 impeller material for water pumping applications Pin drive hub 6 impeller blades 1.58 in. diameter x 3/4 in. width x .37 in. shaft Includes gaskets and glycerin lubricating packet Replaces Yanmar (104211-42071 impeller & 104211-42090 gasket) Original Johnson Pump