9 bestEngine Leak Sealerof January 2025
112M consumers helped this year.
1
Bar's Leaks 1040 Grey Rear Main Seal Repair Concentrate - 16.9 oz.
Bar's Leaks
10.0
2
Bar's Leaks 1010 Grey Engine Oil Stop Leak - 11 oz.
Bar's Leaks
10.0
3
Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart
Lucas Oil
9.9
4
Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair), 16.9 Fluidounces
Bar's Leaks
9.9
21% off
5
STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ
STP
9.8
6
XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Gaskets & Seals Treatment
XADO
9.6
7
Bar's Leaks Block Seal Head Gasket Sealant (Pack of 4),1100-4PK
Bar's Leaks
9.4
18% off
8
Blue Devil (49499) Engine Oil Stop Leak - 8 Ounce
BlueDevil Products
9.2
19% off
9
Bar's Leaks 1000 Engine Repair - 16 oz.
Bar's Leaks
8.9
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