75w90. If it has limited slip, additive is required.
Yes.
It is on top of the center of the rear axle.
75w90
Chrylser 9.25 inch
It is in the center of the differential cover.
Synthetic 75w140
It will have rear wheel abs, four wheel was an option.
yes, but depending on what you had in the 1500 to begin with, you might have to get different, more durable things. such as rear end, motor mounts. ext
If the front is 3.55, then the rear needs to be 3.55
Yes
It is on the rear driver side, behind the intake
2002 - 2005 Ram 1500 will bolt in, but you need to match the correct ratio.