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10 bestCoolant Stop Leaksof November 2024

112M consumers helped this year.

1

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
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

K-Seal

9.9

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2

Bar's Leaks HDC Radiator Stop Leak Tablet - 60 grams
Bar's Leaks HDC Radiator Stop Leak Tablet - 60 grams

Bar's Leaks

9.8

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3

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

K-Seal

9.7

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4

Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132
Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132

Liqui Moly

9.6

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5

Bar's Leaks PLT11 Pelletized Radiator Stop Leak - 11 oz.
Bar's Leaks PLT11 Pelletized Radiator Stop Leak - 11 oz.

Bar's Leaks

9.4

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6

Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz.
Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz.

Bar's Leaks

9.1

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7

K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair

K-Seal

8.9

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8

Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.

Bar's Leaks

8.6

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9

Prestone AS145 Radiator Sealer Stop Leak - 11 oz.
Prestone AS145 Radiator Sealer Stop Leak - 11 oz.

Prestone

8.3

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10

Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz.
Bar's Leaks 1196 Grey Radiator Stop Leak - 11 oz.

Bar's Leaks

8.0

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