Genuine OEM Audi Quick Release Clutch Coolant Hose, part number 4K1819344Q. This essential component is part of the engine cooling system, responsible for transporting coolant throughout the engine to maintain optimal operating temperatures. It features integrated quick-release clutch fittings, designed for secure, leak-free connections and ease of installation. Weighing approximately 0.56 kg and measuring 0.51 meters in length, this hose ensures precise routing and fluid resistance. Choosing a genuine OEM coolant hose guarantees the correct material composition, pressure rating, and exact fitting geometry to prevent leaks and ensure long-term cooling system integrity.