Genuine OEM Audi Coolant Hose with Coupling, part number 4K0265356N. This hose is an essential component of the engine cooling system, designed to connect various parts and facilitate the circulation of coolant. It ensures proper thermal management of the engine. Weighing 0.012 kg and measuring 0.125 m in length, this hose is engineered for precise fitment. Using a genuine OEM coolant hose guarantees the correct routing geometry, material resistance to engine coolants, and long-term durability, preventing leaks and maintaining optimal engine temperature.