Johnson Pump Johnson Pump F6B-9 Impeller Pump OEM HS Crankshaft [10-24946-01] MSRP: Was: Now: $304.50 F6B-9 Impeller Pump OEM HS CrankshaftCrank driven raw water pump. Replaces: Marine Power 524505, Pleasure Craft RA057023, Indmar 665011, Volvo 841640. Johnson Pump 10-24228-1. Out of stock