HoBao torsen differential cup joint wobble

[nobrob]

Hi all

I just got myself a second hand torsen differential for my Hyper 7 from eBay. When I received it I found it strange that the dog bone cup joints don't seem to fit snug in the housing, so I can wobble them with my hand.

Is this normal? The seller tells me it is, but I'm not sure if I should trust his reassurance.

Thanks!