http://www.compressor-express.com/ac-compressor/citroen/Citroen-Peugeot-09-6V12-PV6
Some Citroen Xsara Picasso are built with
the same air conditioning compressor. The Original Equipment Manufacturer
Numbers (OEM numbers) are Citroen 6453CN, 6453JG.
The air-conditioning system of these
vehicles was assembled with a Sanden 6V12 compressor. Manufacturer numbers: Sanden 1412, Sanden 1412F.
These ac units seem to be interchangeable.