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
Holts Radweld Plus New Formula Leak Repair Total Cooling System Leak Repair
Power Maxed - Coolant Seal Leak Repair - 250ml
MCP HEAD GASKET SEALANT, CRACKED CYLINDER BLOCKS,REPAIRS BLOWN HEAD GASKETS,
Peugeot 307 Steel Seal Blown Cylinder Head Gasket Fix Repair Sealer
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
Related Reviews You Might Like
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy