Learned new terminology today.  This is called a coin return lever “porkchop”

https://www.arcadeadventures.com/coin-return-lever-porkchop/

I searched coin reject lever, coin door assembly parts, coin door assembly quarter release device, coin mech door lever, ect. related terms.

Finally I created a post on the forum below and they directed me to a current thread:

https://forums.arcade-museum.com/showthread.php?t=467782&highlight=coin+lever&page=2

These are what the 3d printed ones look like: