Question 1971 and 1972 roadrunner fenders?

[Dakotaacres]

Can these fenders be interchanged with each other? Is there any modification that needs to be done, other than the marker lights? I am looking for a 1972 passenger fender.

thanks

 

[moparmarks]

Yep. Nope.

 

[Curiousyellow71]

Identical other then 72 has corporate side markers.