Best head gasket sealer 2020
255
Reviews Scanned
Last Updated
February 2020
1
Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
- 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
2
Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.
- 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.
3
BlueDevil Head Gasket Sealer (38386)
- 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
4
BlueDevil Pour-N-Go Head Gasket Sealer
- 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
5
K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
- 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
6
Steel Seal Blown Head Gasket Fix Repair Sealer - 8 Cylinder
- Permanently seals a crack in the head gasket
- Do-It-Yourself Pour in Head Gasket Fix
- Used by thousands of repair shops nationwide
- Backed with a 100% Money-Back Guarantee
- Used for 8 Cylinder Engines
7
K&W 401224-6 FiberLock Head Gasket & Block Repair - 32 Fl Oz
- Easy Pour and Go Formula!
- Permanently fixes head gaskets, engine blocks, cooling systems, and cylinder heads.
- "Contains 3 unique technologies. Military-Strength Fibers create multi-layer repair over cracks with a web-like weave. Nanotechnology permanently fixes the smallest cracks and crevices. Cool-X Conditioner - lowers operating temperature as it circulates through cooling system."
- Seals larger holes with less fluid loss than competitive products as proven by lab test (ASTM D6107)
- Works with all antifreeze or plain water.
8
BlueDevil 32oz Head Gasket Sealer w/Radiator Flush
- 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
9
Head Gasket Sealer for 6 Cylinder Engines - Steel Seal
- Permanently seals head gasket leaks
- Do-It-Yourself pour in head gasket fix
- Award winning, triple-patented formula
- Backed with a 100% Money-Back Guarantee
- Used for all 6 cylinder engines (2 bottles)
10
ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
- Professional strength fast acting resealer, stops leaks fast
- Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
- Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
- Does not contain petroleum distillates, will not over-swell or breakdown seals
- 8oz bottle will treat a 6 quart capacity, adjust accordingly
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