Genuine OEM Audi Coolant Pipe, part number 7L0819857C. This rigid pipe is an integral part of the engine cooling system, designed to transfer coolant between various engine components. It ensures the consistent flow of coolant to maintain optimal engine operating temperatures. Weighing 0.036 kg, this pipe is built for durability. Choosing a genuine OEM coolant pipe ensures the correct routing geometry, material resistance to high temperatures and coolant chemicals, preventing leaks and ensuring efficient engine cooling.