Genuine OEM Audi Coolant Hose, part number 7E0122157BB. This critical component is responsible for transporting coolant throughout the engine's cooling system, ensuring efficient heat dissipation. It forms part of the primary coolant circuit, connecting vital engine components. Constructed from high-grade, heat-resistant rubber, it is designed for durability and flexibility. Opting for a genuine OEM coolant hose guarantees precise routing, correct pressure resistance, and long-term integrity, preventing leaks and overheating issues.