Genuine OEM Citroen Radiator Outlet Hose, part number 9818459180. This hose is a critical component of the engine cooling system, designed to carry heated coolant away from the radiator after it has been cooled. It connects directly to the radiator outlet, directing the fluid towards the engine or other cooling system components. Weighing approximately 0.3 kg, this hose is engineered for precise fitment and resistance to high temperatures and pressures. Choosing a genuine OEM hose ensures the correct material composition, routing geometry, and fluid resistance for long-term reliability and leak-free performance.