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2002 TJ. Help me ID front and rear gears and t-case.

4K views 3 replies 4 participants last post by  djljeep 
#1 ·
Well I purchased this thing not knowing what it had behind the front and rear diff covers. I pulled them off a minute ago, and the rear looks stock and the front looks like it may be upgraded, but may be some sort of stock locker... If I am correct they are 3.73s.

These are the numbers I pulled off of the ring gears and pinions.

Front

Pinion 11 Teeth - only had what looked like 2 + 3 etched in it.

Ring 41 Teeth - 10 13 01 Dana SE 37768 41-11 ST then 704 in big writing.

Rear

Pinion 11 Teeth - 44515 W L637 F and it had LO 776 etched in it.

Ring 41 Teeth - 11 02 01 Dana D 18515 P8L287 41 11 776

Transfer Case - New Process Gear
Mod # 231 J
5209 9211AB
12 1 01 C3 272

Some of the numbering looks like dates that would go with the year model of the vehicle which makes me think that they are stock. I am trying to upgrade them to get better Power/Top Speed.

 
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