Genuine OEM Audi Coolant Hose with Coupling, part number 4K0122055AL. This essential component is designed to carry coolant within the engine's thermal management system, ensuring efficient heat transfer and maintaining optimal engine operating temperatures. It features an integrated quick-release coupling, allowing for secure and efficient connection to other cooling system components. Weighing approximately 0.335 kg and measuring 0.44 m in length, this hose is constructed from durable, heat-resistant materials to withstand the demanding conditions of the engine bay. Using a genuine OEM hose with coupling ensures precise fitment, leak-free operation, and the correct pressure retention for reliable cooling system performance.