Inner fenderwells the same?

Are 71 Duster and 73 Dart inner fenderwells the same?
I found one but i'm not positive they are the same anyone know?

I need an answer ASAP the guy aiting for me to get back to him if i want it or not.
Thanks guys. :D

No, the 72-up has a square indentation in the passenger side for the charcoal canister. They will work if your not worried about it.