Mike,
Part Number 52068451 is the Dana TracLoc case for the 1994 thru 1996
Dakota (8 1/4). It is used with RWAL (Rear Wheel Anti-Lock Brakes).
Part Number 4384285 is the PowerLoc case for the 1989 thru 1993 Dakota.
It is also used with RWAL.
I do not know what P4529273 but it is probably a Service Pack. What's
included, I have no idea.
The Rear Wheel Anti-Lock Brakes should not make a difference. If you have
them ( and you probably do), there is an "exciter ring" that activates it.
Assuming you use the correct case, the ring should bolt on.
I "think" you can deactivate the RWAL by simply removing a fuse.
I would highly suggest you have a highly qualified axle technician perform
the switch. Correctly building a differential is a tricky business and
requires
special tools.
I do not believe the two different cases are interchangeable between the model
years.
David R.
Sterling Heights
Michigan
drd892@aol.com
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