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10 Best radiator stop leak in Canada
Best Choice01K-SealK-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
Main highlights- STOP HOLES & CRACKS: With 1 step our unique formula will seek out each hole & crack, permanently sealing them, without any adverse impact on the efficiency of your engine cooling
- Permanent coolant leak repair^Mixes with all antifreeze^No draining or flushing^Fixes cracks and leaks in radiator, head gasket, freeze plugs, cylinder heads, heater core, water pump casing and engine blocks^Just shake, pour and go
- PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our non-corrosive sealer delivers a durable & long-lasting repair, without clogging your cooling system. A cost-effective solution to engine coolant leaks, enhancing the reliability & performance of your vehicle’s cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147
- HEAVY DUTY PERFORMANCE: Engineered for large engines & industrial use; suitable for commercial or agricultural vehicles. A permanent repair for the lifetime of the engine. Compatible with all types of antifreeze coolant
- FIX IT FAST: Our multi-purpose solution works in minutes to quickly & permanently seal leaks in the radiator, head gasket, freeze plugs, block, heater matrix & water pump of heavy duty vehicles. Fixes most leaks in water-cooled engines
- EASY TO USE: K-Seal couldn't be simpler & requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid to your coolant system & run your engine as normal
9.9Exceptional
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- 02K-Seal
K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
Main highlights- STOP HOLES & CRACKS: With 1 step our unique formula will seek out each hole & crack, permanently sealing them, without any adverse impact on the efficiency of your engine cooling
- Permanent coolant leak repair^Mixes with all antifreeze^No draining or flushing^Fixes cracks and leaks in radiator, head gasket, freeze plugs, cylinder heads, heater core, water pump casing and engine blocks^Just shake, pour and go
- PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our non-corrosive sealer delivers a durable & long-lasting repair, without clogging your cooling system. A cost-effective solution to engine coolant leaks, enhancing the reliability & performance of your vehicle’s cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147
- HEAVY DUTY PERFORMANCE: Engineered for large engines & industrial use; suitable for commercial or agricultural vehicles. A permanent repair for the lifetime of the engine. Compatible with all types of antifreeze coolant
- FIX IT FAST: Our multi-purpose solution works in minutes to quickly & permanently seal leaks in the radiator, head gasket, freeze plugs, block, heater matrix & water pump of heavy duty vehicles. Fixes most leaks in water-cooled engines
- EASY TO USE: K-Seal couldn't be simpler & requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid to your coolant system & run your engine as normal
9.8Exceptional
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- 03Liqui Moly
Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132
Main highlights- Secures the combustion chamber from damages caused by coolant admission
- LIQUI MOLY Radiator Stop-Leak completely seals such leaks immediately with ease
- For all cooling water and heating systems with and without water filters
9.7Exceptional
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Value for Money04Liqui MolyLiqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132
Main highlights- Secures the combustion chamber from damages caused by coolant admission
- LIQUI MOLY Radiator Stop-Leak completely seals such leaks immediately with ease
- For all cooling water and heating systems with and without water filters
9.6Exceptional
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- 05Rislone
Rislone Liquid Aluminum Radiator and Heater Core Stop Leak 1 Pack
Main highlights- Safely Seals Leaks in Plastic, Aluminum, and Metal Radiators
- Safely Seals Leaks in Heater Cores, Gaskets, and Freeze Plugs
- One of the few products to meet ASTM D6107 requirements for Stop Leak Additives used in Engine Coolants
- Made in the USA
- Contains Xtreme Cool
9.5Excellent
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- 06Rislone
Rislone Liquid Aluminum Radiator and Heater Core Stop Leak 1 Pack
Main highlights- Safely Seals Leaks in Plastic, Aluminum, and Metal Radiators
- Safely Seals Leaks in Heater Cores, Gaskets, and Freeze Plugs
- One of the few products to meet ASTM D6107 requirements for Stop Leak Additives used in Engine Coolants
- Made in the USA
- Contains Xtreme Cool
9.4Excellent
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- 07Bar's Leaks
Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz.
Main highlights- Special Shipping Information: This item cannot be returned and has additional shipping restrictions
- Seals radiator leaks
- Seals freeze plug leaks
- Repairs gasket leaks
- Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.
9.3Excellent
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- 08Bar's Leaks
Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz.
Main highlights- Special Shipping Information: This item cannot be returned and has additional shipping restrictions
- Seals radiator leaks
- Seals freeze plug leaks
- Repairs gasket leaks
- Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.
9.2Excellent
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- 09Visbella
Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater Core, Freeze Plugs, Cooling System & Radiator Repair
Main highlights- Safe for all metals, plastics, rubbers, aluminum, hoses and connections, it's the guardian your radiator needs
- Our Radiator Sealant offers an affordable solution to prevent and repair cooling system damage, saving you time and money
- One step formula -pour directly into radiator- permanently repairs coolant loss problems on cars, bus, trucks, vans, SUV’s and RV’s
- Engineered by automobile and chemistry experts, this Radiator Stop Leak Sealer ensures your car's cooling system runs smoothly
- Compatible with all antifreeze types, this Leak Sealer Conditioner not only stops leaks but prevents rust and lubricates the water pump
9.1Excellent
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- 10Visbella
Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater Core, Freeze Plugs, Cooling System & Radiator Repair
Main highlights- Safe for all metals, plastics, rubbers, aluminum, hoses and connections, it's the guardian your radiator needs
- Our Radiator Sealant offers an affordable solution to prevent and repair cooling system damage, saving you time and money
- One step formula -pour directly into radiator- permanently repairs coolant loss problems on cars, bus, trucks, vans, SUV’s and RV’s
- Engineered by automobile and chemistry experts, this Radiator Stop Leak Sealer ensures your car's cooling system runs smoothly
- Compatible with all antifreeze types, this Leak Sealer Conditioner not only stops leaks but prevents rust and lubricates the water pump
9.0Excellent
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