Best Head Gasket Repair 2020 – Top 10 Reviewed!

SaleBestseller No. 1
Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
636 Total Customer Reviews
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
Bestseller No. 2
K-SEAL Ultimate Permanent Head Gasket Repair ST3501 16oz Multi-Purpose Formula Stop Leaks in the...
85 Total Customer Reviews
K-SEAL Ultimate Permanent Head Gasket Repair ST3501 16oz Multi-Purpose Formula Stop Leaks in the...
  • REPAIRS IN MINUTES: Permanently fix blown head gaskets, cracked heads and cracked/porous blocks including aluminum heads in old and new cars. The only head...
  • SEALS CRACKS AND STOPS LEAKS: A DIY alternative to costly repairs, our head gasket fix permanently seals cracks and holes! Quickly repair your blocks, leaking...
  • POUR AND GO: Our head gasket sealer is easy to use just shake, add to your radiator/overflow and run the engine! Unlike some competitive products, it mixes with...
  • SCIENTIFICALLY TESTED: Safe, effective, our head gasket and block repair seals leaks up to 1/32 of an inch! Once cured, the repair withstands the high pressure...
SaleBestseller No. 3
K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz
98 Total Customer Reviews
K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz
  • Auto & Truck Maintenance
  • Country of manufacture: United States
  • Manufacturer: K&W
Bestseller No. 4
Head Gasket Sealer for 8 Cylinder Engines - Steel Seal
33 Total Customer Reviews
Head Gasket Sealer for 8 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
SaleBestseller No. 5
K-SEAL Coolant Leak Repair, ST5501 8oz, Multi-Purpose Formula Stops Leaks in the Radiator, Head...
2,112 Total Customer Reviews
K-SEAL Coolant Leak Repair, ST5501 8oz, Multi-Purpose Formula Stops Leaks in the Radiator, Head...
  • REPAIRS IN MINUTES: Formulated to permanently weld radiators, including hard plastic aluminum heads and blocks in old and new cars. The only car radiator and...
  • SEALS CRACKS AND STOPS LEAKS: A DIY alternative to costly repairs, our coolant leak fix permanently seals cracks and holes! It quickly repairs your leaking...
  • POUR AND GO: Our cooling system sealer is easy to use: just shake the bottle, add to your radiator/overflow and run the engine! Unlike some traditional...
  • SCIENTIFICALLY TESTED: Safe and effective, our cracked block repair can seal leaks up to 1/32 of an inch! Once cured, the repair withstands the high pressure of...
SaleBestseller No. 6
Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.
414 Total Customer Reviews
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...
Bestseller No. 7
BlueDevil Head Gasket Sealer (38386)
551 Total Customer Reviews
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
Bestseller No. 8
K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz
242 Total Customer Reviews
K&W 401224 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...
  • Seals larger holes with less fluid loss than competitive products as proven by lab test (ASTM D6107)
Bestseller No. 9
Bar's Leaks 1100 Head Gasket Repair - 20 oz.
60 Total Customer Reviews
Bar's Leaks 1100 Head Gasket Repair - 20 oz.
  • 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 —...
SaleBestseller No. 10
K-SEAL Coolant Leak Repair ST5516 Heavy Duty 16oz, Multi-Purpose Formula for Truck/Tractor Coolant...
171 Total Customer Reviews
K-SEAL Coolant Leak Repair ST5516 Heavy Duty 16oz, Multi-Purpose Formula for Truck/Tractor Coolant...
  • REPAIRS IN MINUTES: Create a permanent weld within the entire coolant system, including on hard plastic radiators and aluminum heads and blocks in larger...
  • SEALS CRACKS AND STOPS LEAKS: Avoid expensive downtime, our coolant stop leak will permanently seal cracks and holes! Quickly repair your head gasket, block,...
  • POUR AND GO: Our cooling system sealer is easy to use just shake the bottle, add to your radiator/overflow and run the engine! Unlike some competitive products,...
  • SCIENTIFICALLY TESTED: Safe and effective, our Heavy Duty Coolant stop leak repair seals leaks up to 1/32 of an inch! Once cured, it withstands the high...

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