Genuine OEM Audi A/C Refrigerant Pipe, part number 4E2260709H. This pipe is a key component of the air conditioning system, designed to transport refrigerant safely through the system assembly. It is constructed from high-grade materials to withstand the pressures and temperature fluctuations inherent in A/C operation. Genuine OEM pipes ensure the correct geometry for factory-spec routing and secure, leak-proof connections, which are essential for maintaining system efficiency.