Stop in for a cup of coffee

https://inlandempire.craigslist.org/pts/d/hemet-mopar-parts/7158579985.html
1971,1972,1973,1974 Mopar Plymouth Duster parts - auto parts - by...
Mopar Plymouth Dodge jack cover case from a 1975 Duster - auto parts...

Shoot them a message. That's how I find parts for mine.