Front structure seal
01-25-2026, (Subject: Front structure seal ) 
Post: #1
Front structure seal
Getting ready to reassemble my front structure and wanted clarification on what works best for an additional sealant there.
From what I understand use antiseeze on the front gear covers with some rtv where they join and on the outside edge of the cover. Is this right? Just don’t want to deal
With leaks when I’m done thanks!


User's Signature: 2010 kenworth t800 isx500hp cm871 13spd 3.55ratio
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01-25-2026, (Subject: Front structure seal ) 
Post: #2
RE: Front structure seal
Thin layer of permatex red jelly.
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 Thanks given by: Scoot5869
01-25-2026, (Subject: Front structure seal ) 
Post: #3
RE: Front structure seal
That’s the anaerobic one right?


User's Signature: 2010 kenworth t800 isx500hp cm871 13spd 3.55ratio
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01-25-2026, (Subject: Front structure seal ) 
Post: #4
RE: Front structure seal
permatex # 51813
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01-25-2026, (Subject: Front structure seal ) 
Post: #5
RE: Front structure seal
Thanks


User's Signature: 2010 kenworth t800 isx500hp cm871 13spd 3.55ratio
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01-25-2026, (Subject: Front structure seal ) 
Post: #6
RE: Front structure seal
I think the big one has a different permatex number but they should be the same


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01-25-2026, (Subject: Front structure seal ) 
Post: #7
RE: Front structure seal
Change the breather gasket too and save you some time if you don’t mind. Mine leaked after


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01-25-2026, (Subject: Front structure seal ) 
Post: #8
RE: Front structure seal
Ok thanks I’ll look into that it wasn’t leaking beforehand. Never thought about just removing the filter and running the tube down. Thanks


User's Signature: 2010 kenworth t800 isx500hp cm871 13spd 3.55ratio
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01-25-2026, (Subject: Front structure seal ) 
Post: #9
RE: Front structure seal
I don’t think it was leaking before
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