10 bestEngine Leak Sealerof November 2024
112M consumers helped this year.
1
K-Seal Coolant Leak, 236ml | Multi-use Car Radiator & Head Gasket Repair Sealant
K-Seal
9.8
10% off
2
Wynn's Engine Oil Stop Leak Sealer Treatment Additive For All Engine Types 325ml
Wynn's
9.6
3
Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads
ARZER
9.4
4
Visbella Neutral RTV 100% Gasket Maker Oil and Water Resistance Anti-Freeze Remain Flexible Ultra 3 oz. High Temperature 600°F Sealant Tube
Visbella
9.2
5
K-Seal HD Coolant Leak Repair, 472ml | HGV Radiator, Block & Head Gasket Sealant
K-Seal
8.9
Other
AMK® Holts Radweld Plus 250ml Coolant Leak Repair Suitable for All Cars No Clogging Works in Whole System Permanent Non Damaging
LIQUI MOLY Radiator Stop Leak | 150 ml | Cooler additive | SKU: 8956
Plextone Black RTV Silicone Engine Repair Gasket Seal Maker, Sealant Glue, High Temperature Heat Resistant from -80ºF to 600ºF
Lucas Oil 40278 Engine Stop Leak - 946ml
6
MANNOL Energy 5W30 C3 Fully Synthetic Engine Oil, 5 Litres
MANNOL
8.6
7
Bar's Products OS-1-4PK Oil Seal (Engine Oil Burning/Leak Repair)
Bar's Leaks
8.4
10% off
8
Wynn's Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Wynn's
8.1
9
LIQUI MOLY Pro-Line Oil Loss Stop | 1 L | Oil additive | SKU: 5182
Liqui Moly
7.9
10
Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel
Wynn's
7.6
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