10 bestOil Additives To Stop Leaksof May 2025
112M consumers helped this year.
1

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

9.7
2

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

9.4
3

Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon
Lucas Oil

9.2
4

Lucas Oil 10018-4PK Hydraulic Oil Booster and Stop Leak - 1 Gallon, (Case of 4)
Lucas Oil

8.9
5% off
5

ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle (2 Pack)
ATP Automotive

8.6
Other
6

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

8.3
7

Bar's Leaks 1010-6PK Engine Oil Stop Leak - 11 oz, (Pack of 6)
Bar's Products

8.0
8

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

7.7
9

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

7.4
10

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

7.1

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