Genuine OEM Citroen Radiator Water Inlet Hose, part number 9822201380. This essential component of the engine cooling system is responsible for transferring hot coolant from the engine to the radiator, where it is cooled before recirculating. Positioned between the engine and the radiator, it plays a critical role in maintaining optimal engine operating temperature. Using a genuine OEM hose ensures the correct material composition, internal diameter, and precise bends for proper routing and resistance to heat and pressure, preventing leaks and ensuring efficient cooling system performance.