Yamaha - Water Pump Housing - 6CE-44311-01-00 - F225 F250 F300Yamaha Water Pump Housing Cooling System Component 6CE 44311 01 00 Overview The Yamaha Water Pump Housing 6CE 44311 01 00 is one of those parts that keeps your cooling system doing its job without any noise about it. On the 4. 2L offshore motors, this housing takes constant wear from the impeller spinning inside it. Once it starts to groove or wear down, youll see it in reduced water pressure or inconsistent cooling. If youre rebuilding the pump, this