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The 10 Best Engine Leak Sealer

Sep 2024

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The Score indicates the overall value of the product.
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$16
$35+
Rank
Manufacturer
Product Name
Score
1
Best Engine Leak Sealer - Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair) Review Bar's Leaks

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

9 . 7
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2
Best Engine Leak Sealer - Bar's Leaks 1010 Grey Engine Oil Stop Leak Review Bar's Leaks

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

9 . 4
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3
Best Engine Leak Sealer - BlueDevil Rear Main Sealer - 8 Ounce (00234) Review BlueDevil Products

BlueDevil Rear Main Sealer - 8 Ounce (00234)

9 . 2
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4
Best Engine Leak Sealer - K-Seal ST5501 Multi Purpose One Step Permanent Coolant Review K-Seal

K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair

By K-Seal
8 . 7
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5
Best Engine Leak Sealer - Generic Engine Oil Leak Sealer | Professional Engine Review Generic

Generic Engine Oil Leak Sealer | Professional Engine Oil Leak | Universal Engine Oil Leak | Seal Activator Leak Stop Agent, Universal for Car Engines, Engine Noise Reduction, Engine Oil Leak Repair Additive, VUX4SLG5T1N2R6G2EB

By Generic
8 . 5
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6
Best Engine Leak Sealer - ACDelco 10-5045 Multi-Purpose Fluorescent Leak Detection Dye Review ACDelco

ACDelco 10-5045 Multi-Purpose Fluorescent Leak Detection Dye - 1 oz

By ACDelco
8 . 4
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7
Best Engine Leak Sealer - High Mileage Oil Treatment, Stop Leak Formula Review STP

High Mileage Oil Treatment, Stop Leak Formula for Cars and Trucks, 15 Oz, STP

By STP
7 . 9
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8
Best Engine Leak Sealer - Lucas Oil 10278 Engine Oil Stop Leak Review LUCAS

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

By LUCAS
7 . 6
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9
Best Engine Leak Sealer - Bar's Leaks 1040 Grey Rear Main Seal Repair Review Bar's Leaks

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

7 . 4
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10
Best Engine Leak Sealer - K-SEAL Coolant Leak Repair, ST9501 472ml Multi-Purpose Formula Review K-Seal

K-SEAL Coolant Leak Repair, ST9501 472ml Multi-Purpose Formula Stops Leaks in the Radiator, Head Gasket, Block, Water Pump Casing, Heater Core, Freeze Plug - Pour and Go - Designed for Canadian Market

By K-Seal
7 . 0
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