5 Best Head Gasket Sealer Reviews

Are you having problems with your gasket? Is it blown off or broken? If this is your case right now then you need to get it fixed right away. In order to do that, you need to buy the best head gasket sealer right away so further damage to the gasket is avoided!

A damaged or broken gasket can be a source of potential danger which is why it is best to replace it but what if you don’t have enough money to buy a new replacement? It could be a problem right? But before you can say goodbye to your old gasket (unless it really, really needs replacement) you can always repair it with the use of gasket sealers.

best head gasket sealer

With this, you can permanently seal the blown gasket which can help save you money in the future and avoid the thought of having to replace your entire engine. So if you want a cheaper way to temporarily fix (while you are saving enough money for your engine) this problem, a reliable head gasket sealer is all you need to get the job done.

Top 5 Best Head Gasket Sealer

1. Bar’s Leaks Head Gasket and Cooling Sealant

Bar’s Leaks Head Gasket and Cooling Sealant

Another name that you can trust when it comes to head gasket sealers belong to Bar’s Leaks. This is a good alternative if you are looking for something that works similarly to BlueDevil. This product specifically works on gas, racing engines, diesels and turbocharged engines that are 4, 5, 6,8 and 10 cylinders.

That alone tells you that you can use this product on more than one type of cylinders compared to BlueDevil that only works on 4 and 6 cylinders. The Bar’s Leaks work to seal around the head of the gasket and stops any leaks from your engine.

The product is made with formula that has sodium silicate which is compatible to gasket sealing particles that are reinforced with carbon fiber as well as antifreeze.

This also helps in reducing the water temperature in your engine, thanks to the Xtreme Cool which is a patented ingredient in this product. If you want a good alternative of the best head gasket sealer other than BlueDevil then this is the one for you.

What We Like:

  • Works just like BlueDevil.
  • It can be used in multiple types of cylinders.
  • It is versatile.
  • It’s an easy to use solution.
  • Works properly and can seal gaskets well.
  • It’s sold at a good price.
  • It helps in stopping heater core and radiator leaks.
  • Fixes core plugs and leaking freeze.
  • Works well on cracked cylinder heads and blocks.
  • It can last a long time.

What We Don’t Like:

  • Customers complained that it did not fix the leak even if they had followed the instructions.
  • Some complained that they wasted money on this product.


2. CRC Permanent Head Gasket & Block Repair with Nanotechnology

CRC Permanent Head Gasket & Block Repair with Nanotechnology

For our third choice, we give to you the CRC Permanent Head Gasket & Block Repair with Nanotechnology. Unlike the first two sealers, this product is not “pour and go” but you must take time when you are using it so you can achieve the best results.

CRC requires attention but the moment you followed the instructions, you will see that it works well than other types of sealers. You may need to use radiator flush, antifreeze, radiator anti-rust as well as other hand tools if you choose to use this sealer.

Once you are done, you will see that it will not only protect your gasket but it will provide you with long lasting head gasket that you can use for a while. So if you prefer something more solid that just a simple pour and go then this is the best head gasket sealer that we recommend for you.

What We Like:

  • It uses nanotechnology to help seal in the cracks and breaks.
  • It can fill the tiny crevices and cracks.
  • Can provide you with stronger bonds.
  • It permanently hardens the surface area of the gasket.
  • It can be used in buses as well as trucks.
  • It’s a good deal for your money.

What We Don’t Like:

  • It initially fixed the problem but breaks apart after a week of use.
  • It takes too long to use. Application is a mess.
  • It can clog the radiator if not careful in applying.


3. Bar’s Leaks 1100 Head Gasket Repair

Bar’s Leaks 1100 Head Gasket Repair

If you are looking for a cheap head gasket sealer then this one is the best one for your budget. The 1100 Head Gasket Repair can repair any leaks in your engine and stop it from getting more damaged.

It also works to repair cylinder heads that are cracked and works as a sealant for blocks. It can also help keep the car from overheating for up to 15 minutes.

What We Like:

  • A good help in stopping block leaks.
  • It can help repair blown head gaskets.
  • It basically seals cracked blocks and cylinder heads.
  • Works well if done correctly.

What We Don’t Like:

  • May not work properly if the instructions are not followed correctly.
  • Takes while to dry up.


4. K&W FiberLock Head Gasket Block Repair

K&W FiberLock Head Gasket & Block Repair

Now if you are looking for a gasket sealer that can be used in all types of surfaces then this is the product you need. K&W is made to seal head gaskets and is highly recommended as a gasket sealer on all types of surfaces.

In fact, this can be used in painted surfaces as well as plastic and metal parts. It can also be used in buses, trucks as well as other types of vehicles. This is known not only for sealing gaskets but also for coolant leaks, intake gaskets, head gaskets and many others.

All of this is possible thanks to the nanotechnology that is packed with military grade fibers which can provide you with long-lasting results.

What We Like:

  • It is easy to use; all you have to do is shake and pour this liquid solution.
  • It can be used in different surfaces.
  • It is made of durable materials.
  • It is affordable compared to other sealers.
  • Provides you with long-lasting results.

Customers are also satisfied with their money-back warranty as testified in their product reviews.

What We Don’t Like:

  • Some customers complained that it did not work on their vehicles.
  • It blocked the radiator.
  • It gummed the cooling system even if some customers followed instructions.


5. BlueDevil Pour-N-Go Head Gasket Sealer

BlueDevil Pour-N-Go Head Gasket Sealer

This company is known for being one of the best makers of gasket sealers and they currently hold the name for the best head gasket sealer in the market that specializes in 4 and 6 cylinder engines.

Their Pour and Go is basically designed for car owners who are not that savvy when it comes to fixing broken gaskets. If you are someone who wants to do the fixing but have no idea what to do then this product is perfect.

All you have to do is to pour it, wait for it to dry and then you are good to go. This product permanently holds any cracked gasket and prevents them from leaking again.

What We Like:

  • It’s really easy to use.
  • All you have to do is pour this in the gasket and let it do the job.
  • It’s sold at a reasonable price.
  • It’s trusted and recommended by many users.
  • Does a good job at sealing gaskets.

What We Don’t Like:

  • Some people complained that this product killed their engine.
  • Left the gasket noisy.
  • Some users complained that it did not work even though they followed the instructions.


What is a Head Gasket Sealer?

A head gasket sealer is a special sealer made of tough components combined together to help seal any broken or damaged gasket in your engine. It is basically an adhesive that comes in a form of spray, glue or paste that helps hold the mechanical joints or gasket in place.

This adhesive helps in preventing leakages of fluid and reduces the chances of mechanical breakdown of the parts that rub against each other. Many types of adhesive sealants are designed to be waterproof so it can prevent liquid elements from getting inside the engine which can later cause further damage.

Main Use of Head Gasket Sealers

Among the primary uses for this type of sealers is to make sure that the engine gaskets are tight and stay closed together. This is done so that liquid or gas cannot escape.

However there are also other uses for this sealer but the main purpose for this is to protect and add an extra later of seal to the gasket so the mechanical performance of the engine can be prolonged. It also helps in reducing the number of repairs you may need in the future.

What We Think

As you can see we have five of the best head gasket sealers for you to choose from but don’t stop with our list. There are plenty of head gasket sealers out there and you can always do your research before buying one!

This way you don’t end up disappointed with the item you have purchased. Make sure to read customer reviews as well as this can help you out a lot. Make sure to follow the instructions well too so you don’t have to end up ruining not just the gasket but the entire engine.

Be careful and always have someone to help you out with that. In case you don’t want to risk it, have your head gasket sealed by professional mechanics. This way you don’t pay more in the future!


About Author:

Leave A Comment

Your email address will not be published. Required fields are marked *