Genuine OEM Audi Coolant Pipe With Hose, part number 4KL145947E. This component is crucial for directing coolant flow within the engine cooling system, ensuring efficient heat transfer and maintaining optimal engine operating temperatures. It is positioned as a key conduit within the cooling circuit, often near the radiator support. Weighing 0.207 kg and measuring approximately 0.525 m in length, this pipe and hose assembly is manufactured to precise OEM standards for material strength and connection integrity, preventing leaks and ensuring long-term reliability in high-temperature environments.