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Your cart is empty.K&W Copper Coat Gasket Compound Sealant is an effective solution to seal gaskets, and prevent leaks. The premium-grade gasket sealer firmly hold the gaskets in place to minimize the compression loss. High-tack gasket sealant can be applied on diesel heads, hi-speed turbine superchargers, automatic transmissions, cover plates, hydraulic pumps, and high compression engines. Our formula provides long-lasting performance even in high-temperature applications. Follow the safety handling and storage instructions on product label for proper handling.
Larry D.
Reviewed in the United States on September 3, 2024
Have used this product for several years works great 👍
Customer
Reviewed in the United States on July 27, 2024
I always use this Copper Coat for head gaskets, It just seems to work great for me.
MTD
Reviewed in the United States on November 2, 2024
nice
Customer
Reviewed in the United States on October 18, 2024
Copper Coat has been around a long long time. Sometimes old school works best. Sealing technology has come a long way. Many of todays engines use molded rubber gaskets that seal well. However I had a 2008 Jeep Wrangler with a small oil leak that was a bear to fix. After pulling the engine 3 times I finally discovered the leak was from the multi layer steel (MLS) head gasket. A light coat of Copper Cote fixed the problem.
Derek
Reviewed in the United States on May 3, 2023
As a semi-retired mechanic I've been using Copper Coat for over 45 years now, and I feel it's one of the best gasket sealers ever made.I've never had an oil/water/vacuum leak after using this stuff, and if the parts ever need to come apart again the gasket comes right off without sticking/tearing.Sadly, I can't seem to find it in the can with dauber anymore, but the spray works just fine, it's just a bit messier due to overspray.
John iatrides
Reviewed in the United States on September 11, 2022
Used this on my head gasket for my WRX and on my intake gasket sealed everything up tight got about 2k miles on it now. I normally don't use this but I had some damage to the block from head gasket failure and I decked the block myself and head was .001 out and figured I'll use this to help seal it up no issues yet.
Nlander
Reviewed in the United States on November 9, 2022
Good stuff. Been using it for years.
RT
Reviewed in the United States on November 6, 2022
I always use this on my small engine builds.I use it on head gasket etc for a tight long lasting seal.
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