Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
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Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz

4.6 stars out of 808 reviews
(4.6)|
808 ratings

Key item features

  • Quick Repair: Bar's Leaks Head Seal Blown Head Gasket Repair is the fastest and safest way to address coolant-related head gasket issues.
  • Comprehensive Solution: Effectively repairs blown head and intake gasket leaks, and seals warped or cracked heads and blocks.
  • Antifreeze Compatible: Works with all types of 50-50 mix coolant, including yellow, orange, pink, red, blue, and green silicate and non-silicate based antifreeze.
  • Easy Application: No draining or thermostat removal required, making it simple to use.
  • Carbon Fiber Reinforced: Reinforced with carbon fibers for enhanced durability and performance.
  • Versatile Use: Suitable for all gasoline and diesel engines, including racing applications.
  • Idle Test: Ideal for vehicles that can idle for 15 minutes without overheating or needing additional coolant.
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Current price is $32.99$32.99/oz
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Columbus, 43215
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Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz $32.99 $32.99/oz

Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz
current price $32.99
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Bar's Leaks Head Seal Blown Head Gasket Repair, Automotive Additive, 33.8 oz

4.6 out of 5 Stars. 808 reviews

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Customer ratings & reviews

4.6 out of 5 stars
stars808 ratings730 reviews
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Reviews summary

Pros
  • : Compatible with various truck models and sizes.
  • : Directions are simple to execute.
  • : Offers cost-effective solution compared to similar products.
  • : Repairs blown head gaskets and stops coolant leaks.
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Showing 1-3 of 730 reviews

Nov 12, 2025
JeffG
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

It works. Follow the instructions exactly.

Follow the instructions. Worked for a blown head gasket on our 98 4Runner with 393k miles on it with coolant in the oil and combustion gases clearly bubbling out the radiator. Overheating cause was traced to a bad fan clutch. Truck is running strong again. We know we are on borrowed time, but this product worked as advertised.

Helpful?1A45SQUWD0X952628131
Oct 24, 2025
christophe
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

this stop leak. worked like a charm. it stopped my blown head gasket leak. i tried other products but they failed. this stuff just saved me from putting in a new engine. it works just follow the directions on the bottle like a T. which is real easy to do. i totally recommend this product. n for the price why not give it a shot cuz it could save you from disastrous costs.

Helpful?1A45SQUWD0X952628131
Aug 21, 2025
J
5 out of 5 stars review

Verified Purchase

really works

had a bad head gasket from a bad water pump leaking and the engine overheated. there white smoke in exhaust and bubbling in coolant tank. followed instructions, installed from radiator hose, ran engine few times and no smoke or bubbles in coolant tank. saved my truck from $$$$$$$ in repairs. used other brands they did not work

Helpful?1A45SQUWD0X952628131