Genuine OEM Audi Coolant Hose, part number 5Q0122051DD. This hose is designed to connect various components within the engine cooling system, ensuring efficient coolant circulation. It features a quick release coupling for secure and straightforward attachment. Made from durable, heat-resistant materials, this hose maintains integrity under high temperatures and pressures. Using a genuine OEM coolant hose ensures precise fitment and optimal performance, preventing leaks and maintaining the cooling system's efficiency.