I sold my 74 Duster body. I have tons of NOS, new and great used parts for the car that took me years to acquire. I'll be listing everything, small lots at a time, over the next few months to clear it all out. Priced at 50 to 70 cents on the dollar. If you have any parts need for a 74 Duster contact me with your item request and I'll see if I can help you.
P.S. Many parts will work on a 73 model also. Check if this applies to you.

 I bought these for my 74 Plymouth Duster from Year One, this is their description and part #. Check for your application.
Front fender side marker lens and housing for 1972-1976 Valiant/Dart/Duster, 1975-1978 Fury and 1977-1978 Monaco models. ( FD745 )
Quarter panel side marker lens and housing for all 1972-1974 A-body models. ( FD746 )
These list for $ 19.95 each, or $ 35.95 for a pair. Let's sell them all ( 4 ) for a low starting bid of $ 29.95. NO RESERVE!!!