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Discussion Starter #1
looking to see if any one has a part number for the freeze plug to block off the flow of exhaust from the UP pipe to the EGR cooler. The best I can recall it is a inch and a quarter or inch and a half shallow freeze plug.

Any one know the part # for a 08 Diff cover, rear.

Any recommendations on gear oil?
 

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8C3Z-4033-A
for the diff cover
You will need new bolts however, as the bolts on the stamped steel diff covers arent long enough.
Bolts stainless hex head 5/16 18, 1 1/4 inch long. Used stainless lock washer. Blue locktite to 20 ft.lbs
 

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Discussion Starter #3
Thanks for the info. Diff cover has been ordered.
 

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I have a block off plug/plate for the EGR cooler/ Up Pipe connection in my shop....It is 41 mm diameter.
 

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1 1/2" shallow freeze plug. All I did was ask the guy at O'Reilly's ('cause I didn't have a part number either) for it and he pulled it out of the box.
 

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good 08 diff info. Thnx. I probably won't do mine until the gear oil has some miles on it. 13k can't be "justified". that's a waste. I'm filing away the info for later.
 
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