Genuine OEM Audi Engine Coolant Hose, part number 059121051H. This critical component is part of the engine cooling system, responsible for transporting coolant between the radiator and engine components to maintain optimal operating temperatures. Its precise routing and material composition are vital for efficient heat exchange. Weighing 0.068 kg and measuring 0.215m in length, this genuine OEM hose ensures correct routing geometry and resistance to engine fluids, which is essential for preventing leaks and maintaining cooling system integrity.