[jakeru]

#8 should be in your list. Others can probably be reused (based on my experience with a 110k mile 2001), but do inspect metal parts (e.g, 5) for corrosion, and rubber parts 2, 3, & 10 for not being cracked.

Nut #9 IMO can be reused, but make sure to torque it sufficiently and make sure the interference locking feature still has some additional friction. (New shocks would come with new nut #9, FYI.)

Rubber part #3 would also be good to replace with version matched to your springs, but unfortunately I found is NLA from Porsche, and 987 part it supersedes to seem to have wrong (much too thick) dimensions. So maybe just hope your old rubber part #3 isn't torn, and reuse.

Also, I can't give you much encouragement that it's a good decision to put on *used* shocks after going to all the effort you'll find is necessary to replace them, or to only refresh one end of the car without also doing the other, but it's your car and your $.

FYI I found my original front shocks were pretty much blasted away and worthless on my 110k mile boxster, (much worse than the rears, which are beefier), even though they weren't leaking, so just because your front shocks arent leaking does not mean it's a good decision to keep running them, IMO. I would replace all four as a set, or your car's handling could become unbalanced. (Which should be a high point, not a low point IMO, on a car with such good handling potential as the Boxster.)