Genuine OEM Audi air conditioning refrigerant pipe, part number 420260702D. This pipe is a vital component of the climate control system, designed to transport refrigerant between system components to facilitate heat exchange. It is located within the air conditioning assembly as highlighted in the technical diagram. Constructed from durable metal with precise bends for exact routing, this pipe ensures efficient system operation. Genuine OEM refrigerant pipes are essential for maintaining the correct pressure and flow characteristics required for effective cabin cooling and long-term system reliability.