Genuine OEM Audi Coolant Hose, part number 7LE121049C. This vital component is responsible for transferring coolant between various engine components, ensuring efficient heat dissipation and maintaining optimal engine operating temperature. It is positioned within the engine cooling system, connecting to the engine block and a heat exchanger. Made from reinforced rubber, it measures approximately 0.51 meters in length and weighs 0.40 kg. Using a genuine OEM coolant hose guarantees the correct routing geometry, resistance to temperature and pressure, and long-term leak-free performance, preventing potential engine damage.