Some Volvo S60, V60, V70, XC60 are built with
the same air conditioning compressor. The Original Equipment Manufacturer
Numbers (OEM numbers) are Volvo 31315453, P31315453.
The air-conditioning system of these
vehicles was assembled with a Sanden PXC16 compressor. Manufacturer numbers: Sanden 1681, 1681P.
These ac units seem to be interchangeable.