Installing an inexpensive Finned Rear axle cover.

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Drew2010

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This is a write up on how to install a factory ford aluminum differential cover on your 10.25 axle.

The cover comes from ford or can be found on ebay. It is for 2008 and up Diesel Superdutys. The ford part number is 8C3Z-4033-A. It can be had from the dealer for only about $60

If you use this you WILL need longer bolts. I used 1 inch long 5/16 grade 8 hex bolts on mine, along with lockwashers.
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I wont go into an article about changing your fluid... that is self explanitory.

I used a gasket from advance and smeared a light coat of RTV on each side.

When it is all done you can enjoy a nice looking differential cover that was made for a new truck.
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