Just want to make sure I have this all correct.

Making sure the MPVI2 will work on my 2013 Ford Fusion 2.0 before I order it. Sorry if this is a stupid question.

Yes it should work fine

You can find a full list of all the vehicles we support here https://www.hptuners.com/vehicles/

Ok, its on the list, 2013 to 2018. My only issue and I,m sure it's eBay thing. If I find a place selling the unit on there, and go in and select my car in the list, it always comes up that it will not fit the car selected. I know better than to trust eBay o stuff like this, but do I need a specific MPVI2 ?

there is only one MPVI2

Ok, that was what I thought. Thanks, Bill. I,m still working on research before I buy one, but at this point its looking good.