HOUSING, IMPELLER - 66V-51312-01-00Yamaha Impeller Housing 66V 51312 01 00 Overview The Yamaha Impeller Housing 66V 51312 01 00 is a genuine original equipment manufacturer component designed to protect and support the water pump impeller within the engines cooling system. This housing forms a critical part of the water pump assembly, directing water flow through the pump and ensuring efficient circulation throughout the engine. A properly functioning impeller housing helps maintain