Genuine OEM Volkswagen Coolant Hose, part number 5Q0122051FA. This critical component is designed to transport engine coolant between various engine components, ensuring efficient heat transfer and maintaining the engine's optimal operating temperature. It is an integral part of the vehicle's engine cooling system. Made from high-quality, heat-resistant rubber, this hose assembly measures 515mm long, 285mm wide, and 85mm high. Choosing genuine OEM ensures the correct routing geometry, material composition, and pressure resistance, which are crucial for preventing leaks and maintaining cooling system reliability.