Genuine OEM Volkswagen A/C Compressor, part number 8W0820803A. This compressor is essential for the vehicle's air conditioning system, as it compresses refrigerant gas to initiate the cooling cycle. It is located at position 1 in the diagram. The compressor weighs 5.332 kg, with dimensions of 0.215 m length, 0.185 m width, and 0.13 m height. Genuine OEM A/C compressors are precisely manufactured to ensure optimal refrigerant flow and system efficiency.