Genuine OEM Volkswagen Flexible Coolant Hose, part number 5QM122157AJ. This hose is a vital part of the engine's cooling system, facilitating coolant flow between components. It is positioned within the engine bay, connecting to the radiator and other cooling system parts. Constructed from high-quality rubber and plastic, it is built to withstand engine temperatures and pressures. Using genuine OEM parts guarantees the correct specifications and reliable operation of your vehicle's cooling system.