How does the need for a block & cracked head sealant come up in the first place? Usually by overheating, which can be caused by a damaged head gasket, cracked head or a leaking block. Bar’s Leaks Head Gasket Repair eliminates this problem — guaranteed. This product contains a blend of aramid and refractory fibers, which provide the strength of a bulletproof vest and the heat resistance of fireproof clothing. As these particles penetrate a crack or the blown head gasket area, they lock together and bond, forming a hard, permanent ceramic-type seal.
WARNING: Head Gasket Sealant is NOT COMPATIBLE with antifreeze and must only be added to the cooling system after ALL ANTIFREEZE has been flushed and removed.
DANGER: Opening the cooling system while engine is hot or running may cause severe burns.
DISPOSAL: Observe local laws & regulations. Where permitted, dispose of in sanitary sewer system. Never pour on the ground or in a storm sewer system.
NOTE: Protect from freezing.
At Bar’s Leaks, we employ a team of top-flight chemical engineers who specialize in solutions such as these – in fact, we are the national leader in chemical head gasket repair solutions. Each product, our cracked head sealant included (aka blown head gasket), is custom-designed to be effective, affordable and easy to install. You don’t need any special automotive expertise — you just need to be able to pop and lift your hood. The rest is about as simple as any car maintenance can be.
Forget that repair bill. Simply use this product and get back on the road and back to your daily routine in no time — with several hundred extra dollars in your pocket.
Your car belongs on the road. Don’t let minor or even moderate leaking issues keep you from the convenience and joy of driving. Trust Bar’s Leaks for cylinder head leak solutions that are fast, easy, effective and affordable. Since we first began serving automobile owners nearly 70 years ago, we’ve been committed to delivering products that anyone can use. When you choose Bar’s Leaks for cracked head sealant or products related to leaking cooling systems, engine oil, power steering, transmissions and more, rest assured you’re getting a product that will work and is easy to use.
Not all products that claim to be cracked head sealant can be counted on for performance, and some of these products can even make your issue worse. When you want cylinder head leak repair solutions that are time-tested and proven to work by millions of customers, choose block seal products from Bar’s Leaks. Made in the U.S.A., just an hour from Detroit, Bar’s Leaks is the number one provider of block seal products that get the job done time after time.
Submit your review
Good product! Recommended to me by my mechanic.
I am a mechanic and we know mechanics don't like or trust easy fixes. I had an external head gasket water leak.
Your Bar's Leaks 1100 Head Gasket Sealant is keeping my Silverado 2500HD diesel running. I used another product that kept it going a year. I used other brands for 3 more treatments and sadly didn't work. I used yours and so far so good after about a month! Thank you!
I used your Bar’s leak Head Gasket Sealant #1100 on my 1999 Chevy Silverado 2W drive. Coolant was going in the head gasket, and it was heating up. I used one bottle of the head gasket sealant and it fixed the problem. It’s been almost 4 years and my truck has not given me any problems anymore. Thank you.
I’ve used both the radiator stop leak as well as the head gasket sealant and was completely satisfied with both products as they solved the leaks and made my ride enjoyable again.
Car - Audi A6
Bar's Leaks 1100 Head Gasket Sealant
What a great product! I had bubbles in the radiator and white smoke from the tailpipe. The company that rebuilt my engine had gone bankrupt, so I had no recourse with them. I found your product online and decided to take a chance. It worked! No more bubbles or white smoke. Thank you for keeping me on the road!
Not long ago, I was experiencing all the symptoms of a standard (although not severe, but more than “light”) leaking head gasket while leaving my hometown, headed to Memphis for a day trip. As much as I didn’t want to cancel the day trip, nor did I care to harm my motor, I decided to stop and grab a bottle of Head Gasket Sealant (1100). Followed instructions to the T, and not only did my large 5.4L V8 engine make it to Memphis with no issues, but it’s still operating as if nothing happened, and that’s been almost 4-6 months ago!
Thanks Bar’s Leaks!
This is my review for Bar's Leaks Head Gasket Sealant (1100).
It has worked great at sealing the head gasket leak in my 2003 Dodge ram 1500 XLT 5.7 Hemi truck. Would buy again for any issues.
My daughter’s 2012 Chevy Equinox started overheating and it was found to have a head gasket leak. We used your Head Gasket Repair #1100 and it worked great. She drove the car for 6 more months before trading it in on a new Equinox. I have been using Bar's Leaks products for 50 years and am a very happy customer.
Used your Head Gasket Sealant (1100).
I was experiencing a blown head gasket. The product worked as expected. Engine cleared up.
Used the head gasket seal as directed...within minutes my system was no longer leaking...nothingshort of a miracle. I have told others in the auto business of my success with this product and would not hesitate to use it again. TY for saving me from an expensive repair bill.