Likely the frame is about all that’s left of the original M-38A1. Looks solid.

https://slo.craigslist.org/cto/7560801746.html

“1953 Jeep Willy with a clean 70’s body and rust free frame. 75k Miles.

All new brake lines, master cylinder, fuel pump, fuel filter and meticulous wiring job completed.

Buick 225 engine, V6, T90 transmission, Dana 18 transfer case, Dana 44 Rear End, Dana 30 Front end and Warn overdrive.

New 33″ mud terrains, full roll cage, rancho shocks, also has a Warn front wench.

This Jeep runs STRONG!”