That arm does look however to be one without the replaceable joint. I wonder if it had been replaced previously. A closer picture of the joint would help.

The best additional pic. I'd have to go back to get a better look in the next day or so.

Attached Thumbnails

 

looks like its the non replaceable type.

__________________
2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)