F5 Johnson Pump Impeller Kit | Johnson Pump 09-801B OE Johnson Pump neoprene impeller kit fits various Johnson Pump F5 series engine cooling pumps. Neoprene impeller material for water pumping applications Key drive hub 12 impeller blades 2 1/4 in. diameter x 1.24 in. width Includes gaskets and glycerin lubricating packet Replaces Jabsco 4568-0001 Replaces Volvo Penta 831182 and 875575-3 Replaces Yanmar 124310-46090 Original Johnson Pump