Genuine OEM Audi Coolant Hose, part number 80A121054A. This hose is a vital component of the engine cooling system, responsible for transporting coolant to maintain optimal engine operating temperatures. It is positioned within the complex network of cooling lines. Weighing approximately 0.031 kg and measuring 0.07 m in length, this hose is designed for precise routing. Using a genuine OEM coolant hose ensures the correct material composition for resistance to heat and pressure, preventing leaks and maintaining the integrity of the cooling system.