My "Dodge" trunk emblem is broken in half, I was wondering if it's the same as the one for the Dart and Coronet, which are available new. They look almost exactly the same
This would be easy to determine in the Chrysler factory parts manual. The page format is each to read, parts group and description in the lh column, part numbers in the rh column, and the various models listed across the top of the page, with the quantities used per vehicle under them. If one part is used on different platforms, easy to see it in that format.
Download the manual at www.mymopar.com . Illustrations of the exterior trim and badging in the rear sections.
Sometimes, things that look very similar are not, being shorter or longer, depending on several factors, by observation. Even if they might be considered "the same".