2012 Mazda CX5 - Differential Mount Bushing

Has anyone had problems with a rear diff mounting bushing? I have a 2012 CX5 and am looking at using a SuperPro Rear Differential Support Bushing Kit SPF108K $70 =3-4 hrs labour, instead of replacing the whole assembly $2,500 +labour.
 
You have to bang it out (might be hard with the diff still in place), and you will have to unbolt the nut securing the differential through it. Easier just to fill it with an adhesive or urethane.
 
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