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Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.

4.1 out of 5 stars 888 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Gasket Sealers by Bar's Leaks

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Pack of 1

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  • Stops block leaks
  • Seals cracked cylinder heads and blocks
  • Repairs blown head gaskets
  • Contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps & cracks and harden to permanently stop leaks.
See more product details
New (21) from $19.50 FREE Shipping on orders over $25.00 shipped by Amazon.

Frequently bought together

  • Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.
  • +
  • Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
  • +
  • Bar's Leaks - 1000 Engine Repair - 16 oz
Total price: $60.47
Buy the selected items together

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Customer Rating 4.1 out of 5 stars (888) 4.1 out of 5 stars (242) 4.0 out of 5 stars (1430) 3.9 out of 5 stars (536) 4.0 out of 5 stars (664) 3.6 out of 5 stars (157)
Price $19.50 $12.93 $52.73 $28.23 $29.97 $185.00
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Green Systems Engineering
Item Dimensions 9.5 x 2.6 x 2.5 inches 1.8 x 3.4 x 8.3 inches 3.4 x 3.4 x 9.54 inches 2.75 x 2.75 x 5.5 inches 4 x 4 x 8 inches
Item Weight 1.00 lbs 1.00 lbs 2.87 lbs 2.50 lbs 1.00 lbs 2.75 lbs
Size Pack of 1 1 Pack 1 Pack 32 Fluid Ounces 16 Quart

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Product description

Size:Pack of 1

If the words “blown head gasket” make you nervous, we’re right there with you. We know firsthand that fixing a blown head gasket requires a hefty chunk of change and a few days without your car. Who has time to spend taking their car to the shop for a blown head gasket? And who has the extra cash to pay for a blown head gasket without planning for it? No, visiting the shop for a blown head gasket fix isn’t ideal. But what if we told you it was possible to fix this yourself with one of the most reliable blown head gasket solutions on the planet? Our easy-to-use Bar’s Leaks Head Gasket Fix will not only save you all that cash, but also get you back on the road in less than an hour. At Bar’s Leaks, we specialize in creating chemical repair solutions that are fast, easy, effective and affordable. Rather than spending hundreds or thousands of dollars at the repair shop, you spend just a few dollars and all without any of the inconvenience. This product contains a combination of antifreeze-compatible sodium silicate sealing liquid and various gasket-sealing particles that penetrate gaps and cracks and harden to permanently stop leaks. It’s liquid technology for damaged, leaking or blown head gaskets, and with over two million bottles sold, you can count on it to perform. We have a team of top-flight chemical engineers who are always innovating and pursuing ways to improve our existing products. As auto manufacturers introduce new technologies, we offer new products that will help everyday drivers save time and money through fast and effective solutions. Using our head gasket repair liquid is easy. Simply follow along with Bobby and Caitlin in our how-to video to safely and quickly get your car back on the road. There’s no reason a blown head gasket should sideline your life.


From the manufacturer

Bar's Leaks Head Gasket Repair Bar's Leaks Head Gasket Fix Bar's Leak Head Seal Blown Head Gasket Repair
Strong Stronger Strongest
How long before vehicle overheats? 15 minutes 20 minutes 15 minutes
Antifreeze compatible? No Yes Yes
Flush required? Yes (2) No No
Total install/down time. Up to 24 hours 15 minutes 45 minutes

Customer Questions & Answers

Customer reviews

4.1 out of 5 stars
4.1 out of 5
888 global ratings
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Top reviews from the United States

Reviewed in the United States on August 12, 2019
Size: Pack of 1Verified Purchase
55 people found this helpful
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Reviewed in the United States on January 21, 2019
Size: Pack of 1Verified Purchase
62 people found this helpful
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Reviewed in the United States on November 23, 2017
Size: Pack of 1Verified Purchase
32 people found this helpful
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Reviewed in the United States on October 10, 2018
Size: Pack of 1Verified Purchase
23 people found this helpful
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Reviewed in the United States on October 14, 2018
Size: Pack of 1Verified Purchase
19 people found this helpful
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Reviewed in the United States on March 25, 2019
Size: Pack of 1Verified Purchase
14 people found this helpful
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Top reviews from other countries

Eddie Chung
5.0 out of 5 stars Stop the leak in my 2005 Camry 2.4L
Reviewed in Canada on April 19, 2020
Size: Pack of 4Verified Purchase
One person found this helpful
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Tracey Cruickshank
5.0 out of 5 stars Work's Great
Reviewed in Canada on September 16, 2018
Size: Pack of 1Verified Purchase
One person found this helpful
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RM
4.0 out of 5 stars Might need to replace the thermostat
Reviewed in Canada on May 25, 2021
Size: Pack of 1Verified Purchase
Customer image
4.0 out of 5 stars Might need to replace the thermostat
Reviewed in Canada on May 25, 2021
You might need to replace the thermostat as if the old one is not opening properly this stuff can accumulate and cause overheating. (Just my experience.)
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Terri Sullivan
2.0 out of 5 stars Broken Bottles
Reviewed in Canada on June 4, 2020
Size: Pack of 4Verified Purchase
bill
1.0 out of 5 stars a waste of 62
Reviewed in Canada on March 7, 2015
Size: Pack of 1Verified Purchase
3 people found this helpful
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