Genuine OEM Audi Air Conditioning Dryer, part number 4N0816583H. This critical component is responsible for removing moisture and contaminants from the refrigerant in the air conditioning system. It protects other AC components, such as the compressor and expansion valve, from damage and corrosion. This cylindrical unit weighs approximately 1.87 kg and is an integral part of the AC circuit. Using a genuine OEM dryer ensures the correct filtration capacity and material compatibility, maintaining the efficiency and longevity of the entire air conditioning system.

Catalogue entry: DRIER.