Genuine OEM Audi Engine Coolant Hose, part number 8W1819350M. This critical component is designed to transport engine coolant throughout the cooling system, facilitating heat exchange and maintaining optimal engine operating temperatures. It is located within the engine bay, connecting various components such as the coolant reservoir and heat exchangers. With a weight of approximately 0.452 kg and a length of 0.465m, this hose features a specific routing geometry. Using a genuine OEM coolant hose ensures correct fitment, material integrity, and resistance to temperature and pressure fluctuations, preventing leaks and system failures.