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
ARZER Car Radiator & Hose Stop Leak Repair Additive - Anti Corrosion 250ml - Repairs Weld Cooling System Rads
ARZER
9.6
3
K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators
Generic
9.3
4
Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Wynn's
9.1
7% off
5
K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant
K-Seal
8.8
Other
Bars Powdered Radiator, Engine Block and Gasket Leak Sealant 15 gr
Holts Radweld Plus New Formula Leak Repair Total Cooling System Leak Repair
Peugeot 307 Steel Seal Blown Cylinder Head Gasket Fix Repair Sealer
MCP HEAD GASKET SEALANT, CRACKED CYLINDER BLOCKS,REPAIRS BLOWN HEAD GASKETS,
12% off
6
Holts Sealit Leak Repair 250ml, (Packing May Vary)
Holts
8.5
7
BLUE DEVIL POUR AND GO HEAD GASKET SEALANT
BlueDevil Products
8.2
30% off
8
HOLTS Wondarweld - 500ml - WW500
Holts
7.9
9
Rislone HEAVY DUTY BLOWN HEAD GASKET REPAIR
Rislone
7.6
10
Power Maxed - Coolant Seal Leak Repair - 250ml
Power Maxed
7.4
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