Dog Bone Mount on 2006 Toyota Camry

I have just been informed that my "dog bone mount is broken." I want to know how critical this is and how much to expect with cost.

Asked by for the 2006 Toyota Camry
dealership will fix it for $180. the part is $129. I got one on ebay for $49 and do it myself. Its just 2 bolts. thats it.