We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestCar Head Gasket Sealerof December 2025

Name: 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
Brand: K-Seal
Price: 31.95 CAD
Availability: InStock

112M consumers helped this year.

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

View Product

Buy it on Amazon

Permatex 59803 Ultra Black Gasket Maker 598BR, 80mL

Permatex

9.8

View Product

Buy it on Amazon

Permatex 59403 Red High Temperature RTV Gasket Maker 26BR, 80ml

Permatex

9.6

View Product

Buy it on Amazon

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

K-Seal

9.5

View Product

Buy it on Amazon

Irontite All Weather Seal, Blue, 16 oz (468-9130-16)

Irontite

9.3

View Product

Buy it on Amazon

OtherRelated products

Fel-Pro 26423 PT Head Gasket, Assorted, One Size

View Deal

Bar's Leaks 1111 Head Gasket Fix - 24 oz.

View Deal

BlueDevil Head Gasket Sealer - 32 Ounce(38386)

View Deal

WEICON Black-Seal | Gasket Maker | Adhesion Sealent for car Engine, Motorbike, Metal, Glass, Ceramic and More | Resistant to High-Temp, Oil and Grease | Industrial Grade (310 ml)

View Deal