A car air conditioning (A/C) compressor with a black multi-groove pulley and green-capped service ports, used to cool a vehicle's cabin. • Silver aluminium body with a black clutch pulley on one end. • Two green plastic port caps with metal fittings on the front for the refrigerant hoses. • Check that the mounting bracket and pulley match your vehicle model before buying. • Supplied in a blue A/C Compressor box, as shown in the photo.