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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK Grand Cherokee & XK Commander Forum > Finally... a 12 Bolt Differential Cover.

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Unread 12-21-2013, 10:52 AM   #16
RMC_xj
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Quote:
Originally Posted by Blown7 View Post

Here from WKJEEPS

3.07:1 axle ratio (with V6 and Quadra-Trac I)
3.55:1 axle ratio (with V6 and Quadra-Trac II)
3.73:1 axle ratio (Dana 44, with V8 and CRD engines)
The last one is what I'm talkin about..A 8.9 inch ring gear Dana 44
I'm confused now. Do we have a variation of the Chryco 8.25, or is it a variation of the D44?

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Unread 12-21-2013, 10:59 AM   #17
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The SRT8 and possibly the CRD use a D44 variant. The vast majority of these Jeeps (3.7, 4.7 and Hemi) use the C213R(E) axle.

The 213 refers to 213mm ring gear. Actually measures 8.38.
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Unread 12-21-2013, 11:17 AM   #18
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Quote:
Originally Posted by caulk04 View Post
The SRT8 and possibly the CRD use a D44 variant. The vast majority of these Jeeps (3.7, 4.7 and Hemi) use the C213R(E) axle.

The 213 refers to 213mm ring gear. Actually measures 8.38.
/\ /\ /\ /\ /\ /\ /\ /\
There ya go!
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Unread 12-21-2013, 11:37 AM   #19
ca07wk
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There reason the covers price is high is due to the setup and mold costs. No company makes or has any interest in making a 12bolt diff cover except the Steel Armadillo, if I had a 12bolt I would be all over this.
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Unread 12-21-2013, 01:46 PM   #20
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Come to think of it, the crd can't use the d44 exclusively. Maybe it was the 2wd models that use it.

Either way, the c213r and it's re version are the common axle.
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Unread 12-21-2013, 02:36 PM   #21
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275 is SUPER pricey. When I still lived on the West coast a local 4x4/fab shop said they could make one for half that cost.

Quote:
Originally Posted by caulk04 View Post
Come to think of it, the crd can't use the d44 exclusively. Maybe it was the 2wd models that use it.

Either way, the c213r and it's re version are the common axle.
Bingo. I remember reading that a number of months back.
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Unread 12-21-2013, 03:02 PM   #22
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Poision spyder has the Big Dana 44 covered, just use the JK cover

http://shop.poisonspyder.com/Dana-44.../42-10-044.htm

89 bucks
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Unread 12-21-2013, 03:54 PM   #23
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Quote:
Originally Posted by Blown7
Poision spyder has the Big Dana 44 covered, just use the JK cover http://shop.poisonspyder.com/Dana-44.../42-10-044.htm 89 bucks
Wrong bolt pattern...its also missing two bolts.
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Unread 12-21-2013, 04:17 PM   #24
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Quote:
Originally Posted by Blown7 View Post
Poision spyder has the Big Dana 44 covered, just use the JK cover

http://shop.poisonspyder.com/Dana-44.../42-10-044.htm

89 bucks
Again... Nobody makes a 12 bolt.... Nobody!
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Unread 12-21-2013, 04:18 PM   #25
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Originally Posted by PeoriaXK View Post
Again... Nobody makes a 12 bolt.... Nobody!
Ya you and your 12 bolt...
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Unread 12-21-2013, 08:40 PM   #26
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Quote:
Originally Posted by PeoriaXK
Again... Nobody makes a 12 bolt.... Nobody!
Actually 4xguard does......
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Unread 12-21-2013, 08:44 PM   #27
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That's a guard, not a replacement cover.
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Unread 12-21-2013, 10:29 PM   #28
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44's are not on the CRD's.

the 12 bolt 8.25 (c213re is correct, e standing for ELSD) is unique to our platform, hence nil aftermarket support except for Steel armadillo in this case.

ALL QD2 vehicles have the c123re diff.
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Unread 12-21-2013, 11:41 PM   #29
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Quote:
Originally Posted by RMC_xj View Post
I'm confused now. Do we have a variation of the Chryco 8.25, or is it a variation of the D44?
As I understand it, from the Service Manual and from a few sources online, it goes like this.

The 2007-2008 CRD has a Chrysler 7.9" IFS front, and a Chrysler 8.25" solid rear, both are 3.73 ratio. They are sometimes called "Corporate" instead of "Chrysler".

Front diff is either C200F for QT1/2, or C200FE for QD2. Rear is C213R for QT1/2 or C213RE for QD2.

The 200 and 213 are ring diameter, 200mm (7.87", sometimes referred to as 7.9") and 209.5mm (8.25") respectively. Yeah, I know, 209.5mm when its called C213R. But that is what the service manual says.

As for the number of bolts for the differential covers, I believe it is 10 on the front, I am not sure as I haven't seen it. But it is 10 on the back.
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Unread 12-22-2013, 04:34 AM   #30
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10 bolt rear cover on the c213r , same as any 8.25 diff cover.

12 bolt rear cover on the c213re, QD2 ELSD equipped vehicles.

The F and R in the part numbers just refer to front and rear differential packages.

Front is not an issue, nor requires aftermarket as its protected under the subframe. And has a mount bolted to the front of it....
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