Original Germany bus air conditioner compressor Bitzer 4NFCY, 4PFCY, 4TFCY etc models. Original Germany bus air conditioner compressor Bitzer brand.Model No.:F400, F600.4NFCY, 4PFCY, 4TFCY6NFCY ... =210mm2A2B A=260mm, B=160mm1A2B A=B=210mmAll the original parts for Bitzer compressor.such as shaftt seal, piston, con. rod. bush ...