That other picture is actually the new one. Swapped it out tonight. The pin on this thing is all worn out as is the DCJ itself. It's the one on the right. Pic doesn't show it but one side of the pin is flat. Everything else is fine. No wonder it was so sloppy in the car.
You haven't said if you're using the 31238 blades that you're supposed to be using on the rear CV axles. There will be massive play if you're not using them.