The Perkins U5MW0173 is a genuine OEM water pump specifically engineered for various Perkins 400 Series engines. This essential component is crucial for maintaining efficient coolant circulation, preventing engine overheating, and ensuring the longevity and reliable operation of the engine in agricultural, construction, and industrial machinery. Manufactured to Perkins' exacting standards, it guarantees precise fit and optimal performance for models including 403D-11, 404D-15, 404C-22, 404D-22, 404D-22T, and 404D-22TA.