I have the Ford Galaxy pump here, it is very similar.
To make it work I suspect I shall need to do the following:
Shave a little lip off the edge of the electrical connector, but otherwise the shape of the socket and the terminals are identical.
The output pipe has an O-ring and a push-fit connector type union. This makes the OD a bit bigger so the original pipe may or may not push over the top. If it doesn't I have 2 options, get another piece of pipe to make a reducer. Or carefully remove some material to reduce the size to accept the pipe.
The body is marginally smaller so it may not be as tight a fit into the washer bottle as the original, but this can be solved with a couple of layers of electrical tape around the body to build it up a little.
I am very confident this little pump will work just nicely.
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It's been a good morning for Volvo parts, my pump came, my 2 reluctor rings and my gearbox driveshaft seals!