Differential oil change


I am going to be changing the oil in my diffs. 2008 rubicon. Would love to hear what others are using and maybe some reviews on how they like it.


Staff member
Honestly, you can't really go wrong with whatever gear oil you choose to use. If you have a limited slip differential, you will want to add friction modifier or a synthetic gear oil as it will have it in it. Otherwise, if you have ARB lockers, I would recommend that you do NOT use synthetic oil as it will damage the o-rings and cause air leaks.
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Active Member
With ARBs I used regular Castrol non-synthetic that Dynatrac recommended. For the UD60s I use Valvoline full synthetic that Dana recommends.
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