10 bestHead Gasket Leak Repairof June 2025
112M consumers helped this year.
1

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

9.8
2

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

9.6
3

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

9.4
4

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

9.2
7% off
5

K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant
K-Seal

9.0
Other
6

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

8.7
5% off
7

HOLTS Wondarweld - 500ml - WW500
Holts

8.4
8

Rislone HEAVY DUTY BLOWN HEAD GASKET REPAIR
Rislone

8.1
9

BLUE DEVIL POUR AND GO HEAD GASKET SEALANT
BlueDevil Products

7.9
10

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

7.6

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