Genuine OEM Audi Engine Coolant Hose, part number 9J1121649. This essential component is part of the engine cooling system, responsible for circulating coolant to regulate engine temperature. Its specific shape and durable material are crucial for maintaining a sealed and efficient cooling circuit. Weighing 0.061 kg and measuring 0.11m in length, this genuine OEM hose ensures correct routing geometry and resistance to engine fluids, which is vital for preventing leaks and maintaining cooling system integrity.