This Genuine Tohatsu Marine Part is a water pump case, specifically designed for Tohatsu outboard motors. It is a high-quality replacement part that ensures the proper functioning of the water pump system in your marine engine. The water pump case is responsible for housing and protecting the internal components of the water pump, such as the impeller and seals. It is made from durable materials to withstand the harsh marine environment and provide long-lasting performance. With the part number 309Q65010-1, this Genuine Tohatsu Marine Part is a reliable choice for maintaining the efficiency and reliability of your Tohatsu outboard motor's cooling system.