IIRC my 940 has been fitted with a non 940 part. I didn't fit it so I don't know if it was a bolt-in swap sorry but it definitely works fine - the brakes are superb.
Just checked the part number - its 9157699 which is listed as for a late 960 / S90 / V90
https://www.skandix.de/en/spare-part...oster/1032959/
Possibly another option for you?