Why do I have a sudden craving for Swedish meatballs ... ?

I haven’t got one of those, but I’m an AWD guy.
I noticed two PNs for this based on FWD/AWD.
That could account for a difference.

Any FWDer’s out there have the Tube Style Protector?

Mounts behind the plastic shield.
Have a look at the catalog pic.

That's why I never ride in back!

Be sure that they know that you only
need a basic, unchipped key. Some
dealership order writers don’t even
know that they exist without a chip.

It’s probably worth calling around to
local locksmiths for a quote, as well.

Judging by the lack of paint on the
bottoms of the tubes on mine, I’m
thinking that it probably paid for
itself a long time ago!

Yes. Pop the stock HU out and you’ll see them
right at the mid point on both sides of the cavity.

Volvo offered a pretty stout one made of steel tubing.
Check page 6.100:
https://accessories.volvocars.com/Legac ... _NL_DE.pdf

As you are in Sweden, it may be your security system.
Does this car have a chipped key?

Roger that on the Blue.
I went with a newer egg-crate
and liked it so much, I went with
Blue wheel centers, too! Good Look...