The 10 Best Head Gasket Sealer To Buy Online (Great Options)

Have you been searching for the best Head Gasket Sealer? If so, then you have come to the right place at the right time because fortunately, we have already done the research in which we have analyzed countless reviews, and compared the features, and price tags of a variety of items from well-known brands in the industry.

To save you time, here are our best picks for Head Gasket Sealer.

10 Best Head Gasket Sealer To Buy Online (Recommendations)

In this section, we’ll reveal the important features that come with each item on the list to give you a better idea of what makes it worth spending your money on.

Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair

$33.42  in stock
7 new from $32.59
7 used from $30.40
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Repairs Blown Head And Intake Gasket Leaks
  • Seals Cracked Cylinder Heads And Blocks
  • Stops Heater Core And Radiator Leaks
  • Fixes Leaking Freeze And Core Plugs

BlueDevil Pour-N-Go Head Gasket Sealer

$31.99
$29.99
 in stock
9 new from $29.99
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Do-It-Yourself Formula
  • Easy to Use Pour-n-go
  • Used for 4 cylinder and v-6 engines
  • Permanently Seals Blown, Cracked or Leaking Head Gaskets

K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair, 16 fl. oz

$22.48  in stock
9 new from $20.80
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Just Pour & Go – No Need for Expensive Head Gasket Repairs - The Safe and Easy Way to Fix a Coolant Leak
  • Fixes blown head gaskets, cracked heads and blocks
  • A permanent repair, guaranteed for the lifetime of the engine
  • Scientifically Tested - K-Seal is the only product to have been successfully tested by the equipment at Brighton University and classes as meeting the demands of ASTM D3147
  • If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully

BlueDevil Head Gasket Sealer (38386)

$55.30
$50.30
 in stock
12 new from $44.44
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Good for Head Gaskets, Warped or Cracked Heads, Heater Cores, and Freeze Plugs
  • Contains no solid or particulate matter that can harm a vehicles engine
  • Alternative solution for costly and time consuming repairs
  • Safe and easy to use
  • Permanent Repair

Bar's Leaks 1100 Head Gasket Repair - 20 oz.

$13.95  in stock
20 new from $10.00
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Stops block leaks
  • Seals cracked cylinder heads and blocks
  • Repairs blown head gaskets
  • Dual Action 2 Part Formula — LIQUID CERAMIC: Liquid penetrates large and small leaks to form a seal actually harder than the original head gasket — REINFORCED FIBERS: Fiber additives lock together with liquid to increase strength and promote a permanent seal
  • 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.

K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz

$48.00
$36.01
 in stock
11 new from $36.01
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Repairs head gaskets, engine blocks intake gaskets, cylinder heads, freeze plugs, heater cores and coolant leaks on cars, trucks, and buses
  • All metal parts, most plastics, and painted surfaces.

Bar's Leaks Block Seal Head Gasket Fix

$40.00
$29.64
 in stock
23 new from $29.64
Free shipping
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • 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.

GREEN DEMON Head Gasket and Block Repair | Ceramic Reinforced Head Gasket Sealer | Advanced Coolant Leak DIY Permanent Repair | Engine/Cylinder Sealant | for Cars, SUVs, Trucks | 16oz

$64.99  in stock
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • HEAD GASKET SEALER: Fix it with Green Demon! Safe for all engines from bikes to trucks. Just shake and pour the gasket liquid sealant into the radiator cap to permanently seal and repair the leak. Green Demon magic takes effect in just a few minutes!
  • JUST ONE APPLICATION REPAIR: No engine flushing or draining required. A super strength ceramic formula flows through the cooling system to reach damaged areas. Particles combine creating a mesh that cures and repairs leaks to form a permanent sealed bond.
  • FIX PERMANENTLY: Find coolant puddles? Get Green Demon in your vehicle to avoid costly repairs. Green Demon fixes head gasket failures from coolant to cylinder/cylinder to coolant leaks, blown head gaskets and coolant to oil leaks (in certain situations).
  • DON’T BLOW A GASKET: Fix it! Stop leaks, easily and safely. Use on Head Gaskets, warped or cracked cylinder heads, engine blocks, radiators, heater cores and freeze plugs. Perfect Do-It-Yourself car solution for those expensive and time-consuming repairs.
  • TRUSTED BY PROFESSIONALS: Scientifically engineered, the Green Demon Head Gasket & Block Repair is road tested and mechanic trusted. Save on repairs and extend the life of your car. Buy with confidence - with our 100% money-back or replacement guarantee.

STEEL SEAL Blown Head Gasket Fix Repair Sealer for 4 Cylinder Engines

$99.95  in stock
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Permanently seals head gasket leaks
  • DIY pour in head gasket repair
  • Backed with a 100% money-back guarantee
  • Use for any 4 cylinder, liquid-cooled engines
  • Used by thousands of repair shops nationwide

BlueDevil 32oz Head Gasket Sealer w/Radiator Flush

$68.90  in stock
3 new from $68.90
Amazon.com
as of December 4, 2022 6:57 pm

Features

  • Permanently Seals Blown Head Gaskets
  • Permanently Seals Leaking Radiators
  • Permanently Seals Warped & Cracked Heads
  • Permanently Seals Leaking Heater Cores
  • Includes 32oz Head Gasket sealer and 32 oz Flush

Choosing The Suitable Head Gasket Sealer (Full Guide)

To help you choose the best Head Gasket Sealer for you in a more easier and efficient way. Here are some key points to take into consideration:

Product Quality

When it comes to the quality of the Head Gasket Sealer, you need to remember that you don’t get what you pay for, sometimes less and other times even more.

Product Reliability

Whenever you talk about reliability you definitely end up measuring how durable the Head Gasket Sealer is. In fact, How long it will be working out for you?

Product Reviews

This is simply the number of people who have purchased the Head Gasket Sealer and rated their experience. This is very important for you to collect some useful thoughts about the item you would like to purchase.

The Final Word

To conclude, if you are in a hurry and don’t have that much time to waste looking for the best Head Gasket Sealer then consider one of the amazing options we revealed in the list. Otherwise, we encourage you to do further research on the market and try to find an item that has features and specifications that match your needs.

Stay cool!

Thanks for taking the time to read this blog post.

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Greg Clark

Hello, I am Greg Clark an Editor Here at Business Blurb. I am a tech enthusiast, I love exploring and testing newly released gadgets and products. I would love to share my experience in this industry and help people make better buying decisions.