2002 mustang v6

Try this. Go to rockauto.com and look up the part in question. There's a button for "buyer's guide". This will tell you which other "applications" the part will interchange with.

An option is to go to car-part.com and search for the part in question. Look at the model and models years of the cars that come up. This will give an indication of which other "applications" could supply the part in question.