Genuine OEM Audi Coolant Hose, part number 1J0121156BH. This precisely molded hose is designed to transport coolant efficiently throughout the engine cooling system, maintaining optimal engine operating temperatures. Its complex shape and integrated connectors ensure correct routing and secure connections within the engine bay. Weighing 0.46 kg, a genuine OEM coolant hose guarantees the correct material composition and resistance to heat and pressure, preventing leaks and ensuring long-term cooling system integrity.