Not quite all original parts. This was previously listed here. Seller believes this was a US Navy Jeep, but I don’t see any evidence that this was the case. I’m wondering if this is an M-38 engine (number begins with MC).

“I have a 1946 Willy’s jeep MC7 has been restored and is all original parts.Willys is in good shape has new paint job front has been replaced on axle new.This jeep runs and drives good.Has about 3 hours on motor has been rebuilt.The Willy’s jeep is 1946 U.S.Navy jeep this is number 7 of the MC 7 has clear title.T his is a cash only sell.”

http://jacksontn.craigslist.org/atq/5786014253.html