Help identifying part/bolt (near control arm)

[SeanSLA]

Hi folks, first time poster here.

Quick background here. I was draining my GF's coolant the other day, and while I was under the car noticed this massive bolt missing from a piece of the front suspension. Apparently she had hit something with the front right of her car before I had met her and took it to a shop to get it fixed. I guess they didn't do too good of a job. In the pics you can see the piece hanging down. My question is what is the name of this part and bolt such that I can buy it online and connect it back up myself. I have an idea of how to go about it, and am pretty well seasoned in mechanics for a normal Joe (I've rebuilt a few chevys in my day). I just need to know what bolt/stud to buy.


The car is a Saturn SL2 01 1.9 liter. Shes been driving it like this for a while, but it needs to get fixed. It makes a serious noise as she goes over speed bumps. You can tell the sound comes from the right side. I figure I'll need to get an alignment after I get this piece bolted together. Any thoughts are appreciated.

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This last picture depicts the left hand side of the car which is undamaged and shows how the part should be bolted up properly.

Thanks

sean