Air Conditioning Compressor Part Number: DA8Z19703A, DA8Z19703B, DA8Z19703C, FB5Z19703B,CO 11357C. Strict professional testing includes aging test, durability test, hardness test, etc. Rapid Cooling: With the strong compressed pressure produced by this AC compressor, the conditioner system can quickly provide cold air to make you feel relaxed and comfortable during the trip.