Genuine OEM Audi Engine Coolant Hose, part number 4M8819350. This vital component is responsible for transporting engine coolant between various engine components, ensuring the engine maintains its optimal operating temperature. It is part of the complex engine cooling system. Constructed from high-quality, heat-resistant rubber and reinforced materials, it weighs approximately 1.13 kg. Using a genuine OEM coolant hose guarantees precise routing, correct pressure resistance, and long-term durability, preventing leaks and ensuring efficient engine cooling.