Have a look on your build plate - on my S40 it's on the B-pillar inside the rear drivers side door. The last 2 digits indicate what bump stops it left the factory with.
See here for more details
https://www.ipdusa.com/techtips/1001...oes-it-tell-me
Cross reference those in VIDA to get the part number.
Edit: I'm a Muppet that totally misunderstood your question. I'm afraid I can't help with that one.