Top 10 Bars Leak Radiator Stop Leak – Fuel Leak Detectors

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1. Bar's Leaks

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Bar's Leaks 1186 Liquid Aluminum Stop Leak, 16.9 oz

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Bar's Leaks #ad - Repairs gasket leaks. Seals radiator leaks. Bar's leaks liquid aluminum stop leak seals radiator leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature. Special shipping information: This item cannot be returned and has additional shipping restrictions. Seals freeze plug leaks. Seals freeze plug leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height7.4 Inches
Length2.6 Inches
Weight1.2 Pounds
Width2.6 Inches
Part Number1186
Model1186
Warranty1 year manufacturer

2. Bar's Leaks

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11 oz., Bar's Leaks 1196 Radiator Stop Leak

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Bar's Leaks #ad - Works with all types and colors of anti-freeze coolant. Manufacturer: bAR'S LEAKS. One bottle treats up to 4 gallons. Country of manufacture: United States. Stops and seals coolant leaks. Auto & truck Maintenance.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height5 Inches
Length1.6 Inches
Weight0.5 Pounds
Width2.4 Inches
Part Number1196
Model1196
WarrantyNo

3. Bar's Leaks

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

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Bar's Leaks #ad - Helps control electrolysis. Seals leaks. Inhibits rust and corrosion. Conditions cooling system. Lubricates water pump seals.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height6 Inches
Length3 Inches
Weight0.85 Pounds
Width3 Inches
Part NumberPLT11
ModelPLT11

4. Bar's Leaks

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60 Grams, Bar's Leaks HDC Radiator Stop Leak Tablet

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Bar's Leaks #ad - Seals leaks. Conditions cooling system. Lubricates water pump seals. Inhibits rust and corrosion. Helps control electrolysis.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height0.8 Inches
Length7.5 Inches
Weight0.1 Pounds
Width5 Inches
Part NumberHDC
ModelHDC
WarrantyManufacturer Warranty

5. Bar's Leaks

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Bar's Leaks 1194 Radiator Stop Leak Concentrate, 6 oz.

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Bar's Leaks #ad - Stops and seals coolant leaks. One bottle treats up to 3 gallons. Works with all types and colors of anti-freeze coolant.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height6.5 Inches
Length1.8 Inches
Weight0 Pounds
Width3 Inches
Part Number1194
Model1194
WarrantyNo

6. Bar's Leaks

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

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Bar's Leaks #ad - Repairs blown head gaskets. Repairs freeze plug leaks. Seals larger leaks seals. Repairs blocks. Repairs heater core leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height2.6 Inches
Length7.5 Inches
Weight1.3 Pounds
Width2.6 Inches
Part Number1109
Model1109

7. K-Seal

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Trade Trusted-Stop Leak, Multi-Purpose Formula Stops Leaks in the Radiator, Block, Head Gasket, K-SEAL Coolant Leak Repair, Heater Core, Water Pump Casing, ST5501 8oz, and Freeze Plug, Pour and Go

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K-Seal #ad - Save time/money. Repairs in minutes: formulated to permanently weld radiators, including hard plastic aluminum heads and blocks in old and new cars. The only car radiator and gasket sealant university tested to meet ASTM D3147. Seals cracks and stops leaks: a diy alternative to costly repairs, our coolant leak fix permanently seals cracks and holes! It quickly repairs your leaking radiator, freeze plug, heater core and water pump casing with no adverse impact on efficiency.

Pour and go: our cooling system sealer is easy to use: just shake the bottle, it mixes with all types of antifreeze, add to your radiator/overflow and run the engine! Unlike some traditional products, absolutely no draining or flushing required. Us bestseller.

Customer support: if k-seal engine coolant leak stop doesn’t seal, the system might be over-pressurized. Scientifically tested: safe and effective, our cracked block repair can seal leaks up to 1/32 of an inch! Once cured, the repair withstands the high pressure of the combustion chamber, all without failing or clogging the cooling system. Over 8 million bottles sold worldwide! Check the technical Specification section of this page for extra instructions for a successful repair.
BrandK-Seal #ad
ManufacturerK-Seal #ad
Height6 Inches
Length7.87 Inches
Weight0.6 Pounds
Width2 Inches
Part NumberST5501
ModelST5501
WarrantyWhen K-Seal makes a repair we guarantee it will be permanent

8. Bar's Leaks

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Bar's Leaks Cooling System Repair, 16.9 oz

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Bar's Leaks #ad - Premium carbon fiber formulation for extended protection. Compatible with all brands of anti-freeze including conventional green or blue and extended life red/orange or yellow OAT/HOAT coolant. Stops cooling system leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height8.4 Inches
Length1.8 Inches
Weight0 Pounds
Width3.6 Inches
Part Number1150
Model1150
WarrantyNo

9. Bar's Leaks

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5 Grams, Bar's Leaks J-100 DiFM Cooling System Treatment

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Bar's Leaks #ad - Helps control electrolysis and helps neutralize pH imbalance. Lubricates water pump seal. Inhibits the formation of rust and scale. Stops radiator tank seal leaks. Seals internal, external and coolant to oil leaks.
BrandBar's Leaks #ad
ManufacturerBar's Leaks #ad
Height3.6 Inches
Length6.6 Inches
Width3.6 Inches
Part NumberJ-100
ModelJ-100
Warranty1 year manufacturer

10. K-Seal

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K-SEAL Coolant Leak Repair ST5516 Heavy Duty 16oz, Head Gasket, Water Pump Casing & Heater Core, Multi-Purpose Formula for Truck/Tractor Coolant Leaks in the Radiator, A True Pour & Go -Trade Trusted

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K-Seal #ad - Check the technical Specification section of this page for extra instructions for a successful repair. Over 8 million bottles sold. Repairs in minutes: create a permanent weld within the entire coolant system, AG, including on hard plastic radiators and aluminum heads and blocks in larger capacity engines, RV etc.

Scientifically tested: safe and effective, our heavy duty coolant stop leak repair seals leaks up to 1/32 of an inch! Once cured, it withstands the high pressure of the combustion chamber, without failing or clogging the cooling system. Seals cracks and stops leaks: avoid expensive downtime, block, freeze plug, our coolant stop leak will permanently seal cracks and holes! Quickly repair your head gasket, leaking radiator, heater core & water pump casing with no adverse impact on efficiency.

Pour and go: our cooling system sealer is easy to use just shake the bottle, it mixes with all types of antifreeze, add to your radiator/overflow and run the engine! Unlike some competitive products, no draining, flushing or pulling the thermostat required. Save time/money. The only industrial coolant sealant university tested to meet ASTM D3147. Us bestseller. Customer support: if our engine coolant leak doesn’t seal your head gasket, the system might be over-pressurized.
BrandK-Seal #ad
ManufacturerK-Seal #ad
Height1.9 Inches
Length5.9 Inches
Weight1.2 Pounds
Width4.1 Inches
Part NumberST5516
ModelST5516
WarrantyWhen K-Seal makes a repair we guarantee it will be permanent