Genuine OEM Volkswagen coolant hose, part number 6Q0122447CJ. This hose is a vital component of the engine's cooling system, responsible for the circulation of coolant to maintain optimal operating temperatures. It connects various parts of the cooling circuit, ensuring efficient heat transfer and preventing engine overheating. Constructed from high-quality, heat-resistant materials, genuine OEM hoses provide a reliable and leak-free connection for extended service life.