Genuine OEM Audi Coolant Hose with Coupling, part number 4K0122055AT. This hose is designed to carry coolant efficiently throughout the engine cooling system, ensuring optimal temperature regulation. It features an integrated coupling for secure and quick connection within the cooling circuit. Weighing 0.337 kg and measuring approximately 0.45m in length, this hose is engineered for precise fitment and durability. Choosing genuine OEM ensures the correct routing geometry, material composition, and pressure resistance for reliable, leak-free performance.