This has an M-38 hood and a passenger side gas tank.
“Great hunting vehicle. This Willy’s has a small Buick V-6. Great tires and wheels. Brand new dual fuel tanks. Very nice top.’
https://missoula.craigslist.org/cto/d/1948-willys-jeep/6300866481.html
Wonder what the tubular device is that’s attached to the right firewall?
Barry, my guess would be that was for an air cleaner mounted on the inside of the cowl.