Citroen-Peugeot-17-V5-PV6

DELPHI has many strategic product lines of which Thermal (Climate Control & Powertrain Cooling) is only one.

http://www.compressor-express.com/ac-compressor/citroen/Citroen-Peugeot-17-V5-PV6

Some Citroen C5, Xantia are built with the same air conditioning compressor. The Original Equipment Manufacturer Numbers (OEM numbers) are Citroen 6453HC, 6453JW, 964059380.

The air-conditioning system of these vehicles was assembled with a Delphi-Harrison V5 compressor. Manufacturer numbers: Delphi-Harrison 1135463, 1135464, 1135512.

These ac units seem to be interchangeable.