Genuine OEM Citroen Radiator Water Inlet Hose, part number 9689025180. This critical component is responsible for carrying hot coolant from the engine into the radiator, where it is cooled before recirculating. It is positioned as part of the primary cooling circuit, connecting directly to the radiator. The hose measures approximately 0.43 meters in length and weighs about 0.315 kg. Using a genuine OEM hose ensures the correct routing geometry, material composition, and pressure resistance, which are vital for preventing leaks and maintaining the integrity of the engine cooling system.