Genuine OEM Audi A/C Coolant Pipe, part number 4M0816743AC. This vital component is designed to carry coolant within the vehicle's air conditioning system, playing a key role in the heat exchange process for effective cabin cooling. It is positioned as part of the A/C fluid circuit, connecting to the compressor/condenser area. Weighing approximately 0.357 kg and measuring 0.39 meters in length, this pipe is engineered for durability and proper fluid flow. Choosing a genuine OEM coolant pipe ensures exact routing, secure connections, and material compatibility, which are critical for preventing leaks and maintaining the optimal performance of the A/C system.