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Forum topic by pontic posted 11-25-2017 11:51 AM 332 views 0 times favorited 5 replies Add to Favorites Watch
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558 posts in 513 days

11-25-2017 11:51 AM

I have a backup generator that uses a Kohler KH745 engine. The valve covers are leaking. Kohler uses a sealant for the gaskets. Their house brand is locktite. they want 12.00 a 40z bottle for it. Is there another brand of “instant sealant” as they all it. Could I use RTV seal the hi temp type as well? Is RTV as good or better/worse?

-- Illigitimii non carburundum sum

5 replies so far

View Handtooler's profile


1497 posts in 2037 days

#1 posted 11-25-2017 12:39 PM

Suggest you check with a RELIABLE auto parts store clerk for their product. You’ll have to pull the covers though it wont be instant/automatic. Maybe they have one that seals with out pulling the covers?

-- Russell Pitner Hixson, TN 37343

View JCamp's profile


521 posts in 455 days

#2 posted 11-25-2017 01:40 PM

I’d try NAPA. My local Napa seems to hav knowledgeable employees were as all the other stores seem to hire the cheapest folks they can find. Might also check with any of ur local places that service small engines lik that

-- Whatsoever thy hand findeth to do, do it with all thy might

View hairy's profile


2607 posts in 3437 days

#3 posted 11-25-2017 01:56 PM

I’ve used 3M spray adhesive on gaskets. The gasket is what creates the seal, the sealer secures the gasket to the valve cover while you install it.

-- My reality check bounced...

View pontic's profile


558 posts in 513 days

#4 posted 11-25-2017 02:03 PM

Thanks. Off to NAPA I go.

-- Illigitimii non carburundum sum

View Goodman's profile


11 posts in 1171 days

#5 posted 11-30-2017 03:43 AM

good luck let us know how it goes

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