Genuine OEM Audi Engine Coolant Hose, part number 4K0145934L. This flexible hose is an integral part of the engine's cooling system, responsible for circulating coolant to maintain optimal engine operating temperatures. It connects to a valve and other pipes within the cooling circuit. Weighing 0.067 kg, this hose is constructed to withstand the demanding conditions of the engine bay. Genuine OEM coolant hoses ensure precise routing geometry and material durability, critical for preventing leaks and ensuring reliable engine cooling.