Genuine OEM Audi A/C Coolant Hose, part number 8E0260701BS. This essential component is responsible for transporting refrigerant throughout the air conditioning system, facilitating the cooling process for the vehicle's cabin. The hose features specific fittings for a secure and leak-free connection. Genuine OEM hoses are engineered with precise routing geometry and material compounds to withstand the high pressures and temperatures of the A/C system, preventing leaks and ensuring long-term reliability.