Genuine OEM Audi Coolant Pipe, part number 4M0265391C. This pipe is an integral part of the engine cooling system, responsible for circulating coolant to regulate engine temperature and ensure optimal operating conditions. It measures approximately 0.355 m in length and weighs 0.118 kg. Choosing a genuine OEM coolant pipe ensures the correct material resistance to heat and pressure, along with precise routing and connection points for a leak-free and efficient cooling system.