Genuine OEM Audi A/C refrigerant hose, part number 8K0260701S. This hose is a critical component of the air conditioning system, responsible for transporting refrigerant between major system components to ensure efficient cooling. It is designed to withstand high pressure and temperature fluctuations within the A/C assembly. Genuine OEM hoses are essential for maintaining the integrity of the sealed refrigerant circuit, preventing leaks, and ensuring the correct routing geometry for long-term reliability.