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Old 08-07-2019, 12:59 AM
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Magnetic Diff cover plugs

I've seen posts that reference magnetic diff cover plugs but out of 3 different Jeep axles between 1989 and 2005, none of mine are. I'll be breaking in a new set of gears in the next couple weeks and I'd like to catch any metal particles if possible.

I can't find them on Amazon or any of the major parts stores websites, so I'm gonna go in to some stores and start looking. Any suggestions?

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Old 08-07-2019, 10:50 AM
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I did find this on Amazon...

https://www.amazon.com/dp/B000CPZWVK...v_ov_lig_dp_it

wish it was internal 3/8" drive instead of the external square. There is a question/review that references a 3/8" drive magnetic plug at NAPA so I'm gonna check there today before ordering anything. NAPA doesn't indicate the presence or lack of a magnet on their website listings so it's impossible to know without going in.

I also had a facebook group recommendation for just putting a magnet inside the pumpkin before installing the cover...but that makes me nervous having a loose chunk of metal in there with my $2200 in parts and labor knowing how turbulent the oil is during operation and that magnets lose strength with temperature. Some factory axles seem to affix them with adhesive but I don't know what adhesive to use that would withstand gear oil and high temperature and be more solid than RTV. Plus I would rather be able to check it and clean it off by pulling a plug rather than having to pull the whole cover to do it.

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Old 08-07-2019, 10:58 AM   #3
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Just find a magnet or piece if magnet and stick it on the end of the plug you have now and make your own magnetic plug

You could even put a large magnet on the inside or outside of your diff cover to attract metal and then one day remove the cover and clean up what ever is stuck to the inside of the cover

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Old 08-07-2019, 04:20 PM   #4
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Rubicons have a magnetic drain plug and a magnetic fill plug.
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Old 08-07-2019, 04:53 PM
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I ended up poring through Dorman's online catalog and finally found part number 090-100 near the top of page 4.

https://www.dormanproducts.com/flipb...ssortments.pdf

The Amazon listing says nothing whatsoever about having a magnet, which explains why I couldn't get it to come up in a search.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

It's also available at AutoZone via Ship-to-home, but doesn't appear to be stocked at any of the major chain parts stores.

https://www.autozone.com/test-scan-a...rchText=090100
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Old 08-07-2019, 08:24 PM   #6
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Old 08-07-2019, 08:26 PM   #7
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Old 08-08-2019, 01:49 AM
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Quote:
Originally Posted by ibikee View Post
The one I posted is that price for a box of 5.

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Might work with a spool?
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Old 08-10-2019, 10:27 PM   #9
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Order yourself a set of rare earth magnets. Put one in your diffs, trans, t-case, and oil pan. They are insanely strong and will collect all the shavings or dust. Local shop puts one in every time he does a rebuild that doesn't already have one installed. He had one catch a whole tooth off a spider gear once. Saved the poor bastard a lot of further damage.

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