Genuine OEM Audi Engine Coolant Hose, part number 4G0145922B. This hose is designed to transport coolant efficiently within the engine cooling system, playing a critical role in maintaining optimal engine operating temperatures. It is a key component for preventing overheating. Weighing 0.121 kg and measuring 0.3 m in length, this hose is engineered for precise fitment. Choosing a genuine OEM coolant hose ensures correct routing, material integrity, and resistance to temperature extremes and pressure fluctuations, preventing leaks and system failures.