Shifter Mechanism Interchange

Yes externally they are the same except for the fitting and it will work for an A-or B-Body but internally there are some differences. Also if it came from a truck that usually means it will be worn a lot unless it was a repolacement or from a low mileage vehicle. Here you go if you want a good one http://www.forabodiesonly.com/mopar/showthread.php?t=227213

BTW I hope that fuel tank for the truck fixed you up!