The complete raw water pump casing K 73102 forms the structural and hydraulic core of the cooling water pump assembly in the ZV40/48 engine. Designed to house and precisely align the impeller, shaft, and sealing components, this casing ensures efficient water flow with minimal losses and high operational stability. Built to withstand corrosion, pressure fluctuations, and continuous operation, its robust construction protects internal components and maintains long-term dimensional integrity. As a fully assembled unit, K 73102 plays a key role in ensuring dependable raw water circulation and effective engine cooling.