Genuine OEM Audi Engine Coolant Hose, part number 07L121057T. This hose is a critical component in the engine cooling system, responsible for transporting coolant to and from the water pump to maintain optimal engine operating temperatures. It is positioned as a direct connection to the water pump assembly. Weighing 0.0943 kg and measuring 0.229 m in length, this hose is manufactured to exact specifications. Relying on genuine OEM hoses ensures the correct internal diameter, material flexibility, and resistance to high pressures and temperatures, preventing premature wear and potential leaks.