BEST DEALS THIS WEEK

10 Best Best Sealant For Head Gasket - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

BLOWN HEAD GASKET? HYPER-SEAL A PERMANANT REPAIR SOLUTION!

BLOWN HEAD GASKET? HYPER-SEAL A PERMANANT REPAIR SOLUTION!

ENGINE REVIVE

9.8

9.8

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2

Nitrox Steel Weld Seal for Head Gaskets, 500 ml

Nitrox Steel Weld Seal for Head Gaskets, 500 ml

Nitrox

9.6

9.6

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3

Steel Seal Blown Head Gasket Fix Repair Sealer for 4 Cylinder Engines

Steel Seal Blown Head Gasket Fix Repair Sealer for 4 Cylinder Engines

Steel Seal

9.5

9.5

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4

K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml

K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml

K-Seal

9.2

9.2

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5

BLUE DEVIL POUR AND GO HEAD GASKET SEALANT

BLUE DEVIL POUR AND GO HEAD GASKET SEALANT

BlueDevil Products

9.1

9.1

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6

K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant

K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant

K-Seal

8.8

8.8

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7

ROFPM Black Silicone Sealant, Gasket Sealant, Head Gasket Sealer, Coolant Leak Repair for Head Gasket Sealer Replacements, Valve Covers or Coolant Leak Repair in Radiators

ROFPM Black Silicone Sealant, Gasket Sealant, Head Gasket Sealer, Coolant Leak Repair for Head Gasket Sealer Replacements, Valve Covers or Coolant Leak Repair in Radiators

ROFPM

8.6

8.6

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8

Holts Wondarweld – Heavy-Duty Engine Block & Head Gasket Repair 250ML

Holts Wondarweld – Heavy-Duty Engine Block & Head Gasket Repair 250ML

Generic

8.4

8.4

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9

‎Best Price Square Car Radiator & Hose Stop Leak Repair Additive 250ml – Anti-Corrosion Coolant Sealant for Radiators, Heater Cores, Gaskets & Welded Joints in Cooling Systems

‎Best Price Square Car Radiator & Hose Stop Leak Repair Additive 250ml – Anti-Corrosion Coolant Sealant for Radiators, Heater Cores, Gaskets & Welded Joints in Cooling Systems

‎Best Price Square

8.2

8.2

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10

Hi-Gear HG9048s Insta-Seal Head Gasket Fix Permanent Engine Block Sealer - 236 millilitres

Hi-Gear HG9048s Insta-Seal Head Gasket Fix Permanent Engine Block Sealer - 236 millilitres

Hi-Gear

8.1

8.1

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