Genuine OEM Audi Cooling Pipe, part number 4G0819377K. This pipe is a critical component of the engine cooling system, responsible for transporting coolant to regulate engine temperature. It ensures efficient heat transfer and prevents engine overheating. Weighing 0.144 kg and measuring 0.51 m in length, this pipe is constructed for durability and resistance to high temperatures and pressures. Using a genuine OEM cooling pipe guarantees correct routing geometry, material integrity, and resistance to coolant chemicals, preventing leaks and system failures.