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10 bestHead Gasket Leak Repairof March 2025

112M consumers helped this year.

1

K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators
K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators

Generic

9.9

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2

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

9.8

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3

Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml

Wynn's

9.7

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4

Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads
Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads

ARZER

9.5

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5

BLUE DEVIL POUR AND GO HEAD GASKET SEALANT
BLUE DEVIL POUR AND GO HEAD GASKET SEALANT

BlueDevil Products

9.2

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Bars Powdered Radiator, Engine Block and Gasket Leak Sealant 15 gr

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Peugeot 307 Steel Seal Blown Cylinder Head Gasket Fix Repair Sealer

Peugeot 307 Steel Seal Blown Cylinder Head Gasket Fix Repair Sealer

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12% off

6

Holts Sealit Leak Repair 250ml, (Packing May Vary)
Holts Sealit Leak Repair 250ml, (Packing May Vary)

Holts

9.0

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7

K-Seal HD Coolant Leak Repair 472ml
K-Seal HD Coolant Leak Repair 472ml

K-Seal

8.7

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22% off

8

HOLTS Wondarweld - 500ml - WW500
HOLTS Wondarweld - 500ml - WW500

Holts

8.4

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9

BLUE DEVIL HEAD GASKET SEALANT
BLUE DEVIL HEAD GASKET SEALANT

BlueDevil Products

8.1

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6% off

10

Holts Radweld Plus Coolant Leak Repair, Total Coolant Leak Repair, Industry Leading Car Radiator Leak Sealant, Easy To Use, Seal Engine Block, Cylinder Head, Hoses & More, Suitable For All Cars, 250ml
Holts Radweld Plus Coolant Leak Repair, Total Coolant Leak Repair, Industry Leading Car Radiator Leak Sealant, Easy To Use, Seal Engine Block, Cylinder Head, Hoses & More, Suitable For All Cars, 250ml

Holts

7.8

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