Genuine OEM Audi Coolant Hose, part number 06E121044AG. This hose is a critical component of the engine's cooling system, responsible for transporting coolant between the engine and radiator. It is designed to withstand high temperatures and pressures. Made from durable, reinforced rubber for reliable service life. Genuine OEM coolant hoses are engineered for precise fitment and optimal flow, ensuring efficient engine cooling and preventing leaks.