Citroen-Peugeot-Seat-VW-01-V5-PV8

DELPHI Harrison Thermal Systems’ founder was Herbert C. Harrison inventor and entrepreneur.

http://www.compressor-express.com/ac-compressor/citroen/Citroen-Peugeot-Seat-VW-01-V5-PV8

Some Citroen Xantia are built with the same air conditioning compressor. The Original Equipment Manufacturer Numbers (OEM numbers) are Citroen 6453X7.

The air-conditioning system of these vehicles was assembled with a Delphi-Harrison V5 compressor. Manufacturer numbers: Delphi-Harrison 015121, 015124, 1135253, 15124, 6553634.

These ac units seem to be interchangeable.