short of finding one in hemmings or some other publication, just checking out swapmeets for a steel one is your best bet.
here is a place that shows they make one in fiberglass but not much more info on their site so you will probably have to give them a call Ron...


http://rrfiberglass.net/dodge_plymouth.htm


1936-1938
Front Fender, Dodge:
--with or without wheel well
Front Fender, Plymouth
Rear Fenders
Running Boards, smooth
Grill Shell, Dodge
Grill Splash Pan, behind grill


R&R Fiberglass
571 Randolph Lane
Decatur, TN 37322
Phone:
FAX:
Email: 423.334.4455
423.334.2881
info@rrfiberglass.com
Hours: Mon-Thurs
Friday
Sat-Sun 9am - 5pm
9am - 5pm
Closed