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ram918 04-29-2010 02:29 AM

Rear Differential Questions...
I have an 03 ram 4x4 with a 5 speed trans.

My rear differential went out last week and I cannot find a reasonably priced replacement diff.

So, Here's my question.

Will a differential out of a 2wd from an 02 or an 04 ram bolt up and work in my 4WD 03?

I'm also wondering if there is any difference between the REAR diffs for RWD, and 4WD. (other than gear ratio)

I Know this isn't recommended, but I cannot afford to dump $1500 at the moment. A local salvage has these two trucks, and they are much cheaper.

Thanks guys!

RamTech 04-29-2010 08:32 AM

Should be the same rear end either way and the ratios available were offered in both 2WD and 4WD models. Just get the same ratio and you should be fine.

driftking18 01-21-2011 04:32 PM

i have a question and hoping you guys could help me out if u knew the steps to replacing a rear end diff axles etc...

RamTech 01-21-2011 06:25 PM

Are you replacing the entire axle assembly? R&P gears? Axle shafts?

driftking18 01-22-2011 05:36 PM

its just like an assembled diff and axle all i have to do is swap it out but im wondering if there are any tricks to it or anything other than like dismounting the driveshaft undoing U-bolts dismounting brakes etc..

trailblazin 04-25-2011 04:27 AM

I know the feeling. I just found out I have a leak in my rear diff yesterday :(

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