Genuine OEM Volkswagen Feed Return Coolant Pipe, part number 561819857. This assembly consists of two bent metal pipes joined by a plastic connector, designed to manage the precise flow of coolant to and from a specific part of the vehicle's cooling or heating system. It ensures efficient heat exchange and proper fluid circulation. Weighing approximately 0.31 kg, this pipe is manufactured with specific bends and connection points. Using a genuine OEM coolant pipe guarantees the correct routing geometry, material integrity, and leak-free connections essential for the cooling system's reliability.