Originally Posted by t-bag
axle shaft box is 83500184 u joint im not sure but the u joint fits fine in the inner axle shaft holes
I think your box is right. I think the part inside it is wrong. The cap diameter should be 1-1/16". If the outer shaft has a smaller ear hole then you need a different shaft. The spicer part number you need is 4728984.
Do you have a spicer dealer in your town?