Genuine OEM Audi Engine Cooling Hose, part number 5Q0121101N. This essential component is responsible for transporting coolant within the engine cooling system, playing a vital role in maintaining optimal engine operating temperature. Made from durable rubber, it features a specific molded shape for correct routing. Weighing 0.212 kg, this hose is designed to withstand high temperatures and pressures. Using a genuine OEM hose ensures precise routing geometry and resistance to coolant chemicals, preventing leaks and maintaining cooling system integrity.