Genuine OEM Audi Engine Coolant Hose, part number 80B819373K. This vital hose is responsible for circulating coolant throughout the engine's cooling system, effectively managing engine temperature and preventing overheating. It is designed with specific bends and connections to ensure proper flow and fitment within the engine bay. Weighing approximately 0.12 kg, it is manufactured from high-grade, heat-resistant rubber. Using a genuine OEM hose ensures precise routing, optimal pressure handling, and long-term durability, crucial for maintaining engine health and preventing leaks.