How hard is if to swap a 1971 or 1972 dart front end on 1973 dodge dart sport

72bluNblu said
As said already, it's a bolt on operation with the right parts. Your '73 has standard bumper brackets, so you have the proper mounting locations on the frame for the earlier bumper.

You will need '70-'72 fenders (w/extensions), '70-72 grille and headlight surrounds, hood, hood latch and hood latch support panel, lower valance, bumper and bumper brackets. You don't need the doors. If you use '72 fenders your marker lights will match, if you use '70/'71 fenders you will need to do something about the mismatched markers.

I converted my '74 Duster over to a '71 Dart nose, making it a '71 Demon, uh, tribute. I used '68 markers to clean up the mismatch.

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That looks really good with the 68 markers! And in my humble opinion, you picked the best year grill...love the 70-71 dodge grill.

The one thing that I always thought was really cheap on the part of Dodge was that they never re-tooled the fender lips to match the Duster rear quarter lips. I spent about a week trying to figure out if I had the wrong fenders on my Demon when I was doing body work. (should have joined this forum) I was trying to decide if I should spend huge money on new ones or fix the extremely damaged ones I had when I noticed the opening shape didn't match the rears...

The story of how Dodge just slapped a Dart front clip onto a Plymouth Duster rear along with the story of how they were going to be called the "Beaver" are pretty funny.