Then finally believed 985660 is the right part based on the IPD page: https://www.ipdusa.com/products/11482/1 ... nut-p80-p2
You can get it from a lot places with that part number. The Volvo part should fit the Bilstein strut properly, I'm not certain but I wouldn't hesitate to try. You can always pull one from the junkyard to be sure ...






