Genuine OEM Audi A/C Refrigerant Line, part number 1EA816743J. This critical hose is responsible for transporting refrigerant within the vehicle's air conditioning system, facilitating heat exchange and cooling the cabin. It is an integral part of the overall A/C circuit, connecting various components. The line measures approximately 0.92 meters in length and weighs 0.575 kg. Using a genuine OEM refrigerant line ensures correct routing geometry, proper material compatibility with refrigerants, and robust, leak-free connections for optimal A/C system performance and longevity.