Cessna 120-140 Association

I posted in a different area about my c140 grimes light thinking I could just upgrade the light source. It turns out I have a very old variant and it has no known part number or technical drawings. See picture, my light with the reflector bowl removed.
I would like to swap this light out with a D-3040-a 12v or G3602. Looking for the whole unit including motor if anyone has one for sale or knows of any leads!