F5B-9 Bronze Raw Water Pump | Johnson Pump 10-24334-01 Coupler driven raw water intake pump with flange style mount. Johnson Pump engine cooling pump F5B series pump Shaft driven Bronze pump housing with stainless steel shaft Flexible neoprene impeller Rubber lip seal 3/4 in. bsp inlet and outlet ports Fits various Kubota, Nanni, and Beta marine engines Replacement impeller P/N 09-1027B-1