Genuine OEM Audi Engine Coolant Hose, part number 059121445L. This hose transports coolant within the engine cooling system, playing a critical role in maintaining optimal engine temperature. Weighing 0.052 kg and measuring 0.16 m in length, it is designed for precise fitment and durability. Using a genuine OEM hose ensures proper routing, material integrity, and resistance to temperature and pressure fluctuations, preventing leaks and overheating.