Farm Equipment - 301 Water pump in L2/M2 silicone on steel gasket?

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301 Water pump in L2/M2 silicone on steel gasket?

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=173577
Printed Date: 21 Sep 2025 at 3:11pm
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Topic: 301 Water pump in L2/M2 silicone on steel gasket?

Posted By: GM Guy
Subject: 301 Water pump in L2/M2 silicone on steel gasket?
Date Posted: 16 Aug 2020 at 12:22am

Hey all,

Needing to swap water pumps on the 78 L2 with the 301 engine, and I was curious if a guy needed to put silicone on the steel gasket that seals the pump to the body

(gasket 74026887, #10 on this page https://na.apb.agcocorp.com/p/gleaner/79012318/l/86" rel="nofollow - https://na.apb.agcocorp.com/p/gleaner/79012318/l/86 ? )

Or does a guy leave it dry?

Any input appreciated,
Thanks!

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Gleaner: the properly engineered and built combine.

If you need parts for your Gleaner, we are parting out A's through L2's, so we may be able to help.

Replies:

Posted By: jaybmiller
Date Posted: 16 Aug 2020 at 5:40am

I'd use Permatex Waterpump gasket sealer. Better safe than sorry or have to redo it, again !!

Applied properly( clean and right amount) it'll HELP ensure you do the job ONCE.

if the tractor's USED on the farm, to me DOWNTIME is a 100% loss.

I know, maybe the steel gasket doesn't 'need' it BUT........

spending $10 ?? for a sure thing sounds like a good investment compared to $100s LOST having tractor in shop NOT in the fields.

Jay

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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)

Never burn your bridges, unless you can walk on water

Posted By: MACK
Date Posted: 16 Aug 2020 at 7:56am

Have never used any thing on one, never had one to leak. Have installed a lot over the years. Use some sealer if it makes you sleep better . MACK

Posted By: Clay
Date Posted: 16 Aug 2020 at 8:14am

Many people use TOO MUCH sealer. A very very thin amount of sealer is usually enough.

Posted By: Amos
Date Posted: 16 Aug 2020 at 8:22am

I have re used these gaskets a couple times when I had no choice and they did not leak after that, no sealer. If you do use it I hope you are the guy that get to clean it all off when the pump has to come off the next time, it takes way too long to clean off compared to a paper gasket, the tin gasket is much less work to clean off than the paper ones that are used in other applications.