12valve

Hi
My uncle went from here in Mexico to Odessa, when the truck started shaking...

Narrowed problem to the back differential.

Is anyone, who knows where to get an used (axle) diferential?
Preferably limited slip

for a 94 dodge 2500 single cab long bed 2 wheel drive
gearing 3:54

thanks in advance, waiting for help
(If anyone is willing to help out, tonight or tomorrow 27th) please PM me with your phone number, so i can pass it to him! or her is his': 8067737407 he doesnt wanna stay there..in hotels!!

Silvano