10 bestEngine Leak Sealerof November 2024
112M consumers helped this year.
6% off
1
Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair), 16.9 Fluidounces
Bar's Leaks
9.8
2
Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart
Lucas Oil
9.6
3
Bar's Leaks Block Seal Head Gasket Sealant (Pack of 4),1100-4PK
Bar's Leaks
9.4
4
XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Gaskets & Seals Treatment
XADO
9.1
13% off
5
Bar's Leaks 1040 Grey Rear Main Seal Repair Concentrate - 16.9 oz.
Bar's Leaks
8.8
6
STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ
STP
8.6
11% off
7
Bar's Leaks 1010 Grey Engine Oil Stop Leak - 11 oz.
Bar's Leaks
8.3
8
Bar's Leaks 1000 Engine Repair - 16 oz.
Bar's Leaks
8.0
10% off
9
Blue Devil (49499) Engine Oil Stop Leak - 8 Ounce
BlueDevil Products
7.7
16% off
10
Engine Oil Stop Leak Top Off Additive/6x1/Quart
Lucas Oil
7.4
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