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10 bestEngine Leak Sealerof December 2024

112M consumers helped this year.

1

Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair), 16.9 Fluidounces
Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair), 16.9 Fluidounces

Bar's Leaks

10.0

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2

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart
Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Lucas Oil

10.0

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3

XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Gaskets & Seals Treatment
XADO ATOMEX Stop Leak Engine Oil Additive Sealer (Bottle, 250 ml) - Repair Gaskets & Seals Treatment

XADO

9.8

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4

Bar's Leaks Block Seal Head Gasket Sealant (Pack of 4),1100-4PK
Bar's Leaks Block Seal Head Gasket Sealant (Pack of 4),1100-4PK

Bar's Leaks

9.6

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10% off

5

Blue Devil (49499) Engine Oil Stop Leak - 8 Ounce
Blue Devil (49499) Engine Oil Stop Leak - 8 Ounce

BlueDevil Products

9.3

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6

Bar's Leaks 1040 Grey Rear Main Seal Repair Concentrate - 16.9 oz.
Bar's Leaks 1040 Grey Rear Main Seal Repair Concentrate - 16.9 oz.

Bar's Leaks

9.1

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19% off

7

Bar's Leaks 1000 Engine Repair - 16 oz.
Bar's Leaks 1000 Engine Repair - 16 oz.

Bar's Leaks

8.8

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7% off

8

STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ
STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ

STP

8.6

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15% off

9

Engine Oil Stop Leak Top Off Additive/6x1/Quart
Engine Oil Stop Leak Top Off Additive/6x1/Quart

Lucas Oil

8.3

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10

Bar's Leaks 1010 Grey Engine Oil Stop Leak - 11 oz.
Bar's Leaks 1010 Grey Engine Oil Stop Leak - 11 oz.

Bar's Leaks

8.0

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