Genuine OEM Audi Coolant Radiator Lower Hose, part number 7L0122051D. This critical hose is responsible for transporting cooled engine coolant from the radiator back into the engine system. It is specifically designed as the lower connection to the radiator. The hose features a durable rubber construction with a pre-formed bend and an integrated quick-connect coupling for secure installation. Measuring 0.315 m in length and weighing 0.282 kg, it ensures proper fluid flow. Using a genuine OEM coolant hose guarantees the correct material composition, pressure resistance, and precise routing geometry for leak-free and reliable cooling.