This may be a GPW, as I think I see a GPW crossmember on it. The engine has a CJ head and a later oil filter bracket, so it appears not to be the completely original engine.
https://seattle.craigslist.org/sno/cto/d/lake-stevens-1942-willys-jeep/7366836272.html
“1942 willys jeep original engine and trans runs and drives good
needs some tlc or what ever yo want to its all there
have complete suspension up grade diffs springs etc
to many projects”