BEST RADIATOR STOP LEAK

If you are looking for best RADIATOR STOP LEAK which can perform well and last longer then you should check out our review and buying guide in this article.

10 BEST RADIATOR STOP LEAK

IMAGE PRODUCT RATING PRICE
1. Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz
2. K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair
3. Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
4. J-B Weld DS-114 PERM-O-Seal Radiator Stop Leak - 0.7 oz.
5. Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak - 11 oz.
6. Bar's Leaks HDC Radiator Stop Leak Tablet - 60 Grams
7. Bar's Leaks 1196 Radiator Stop Leak - 11 oz. , Grey
8. AlumAseal ASBPI12 Radiator Stop Leak Powder Blister Card - 20 g
9. Prestone AS148 Super Radiator Stop Leak - 11 oz.
10. Prestone AS145 Radiator Sealer Stop Leak - 11 oz.

Best RADIATOR STOP LEAK

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

 in stock
19 new from $6.29
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.
  • Seals radiator leaks
  • Seals freeze plug leaks
  • Repairs gasket leaks
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions

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

 in stock
18 new from $10.24
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Permanent coolant leak repair - Just shake, pour and go
  • 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
  • If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully

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

 in stock
15 new from $7.79
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Seals larger leaks seals
  • Repairs heater core leaks
  • Repairs freeze plug leaks
  • Repairs blown head gaskets
  • Repairs blocks

J-B Weld DS-114 PERM-O-Seal Radiator Stop Leak - 0.7 oz.

 in stock
6 new from $6.36
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • JB WELD PERM O SEAL : Is a specially formulated non-toxic compound ground to a very fine particle size to quickly mix and flow into all areas of the cooling system to find and seal leaks.
  • WHAT THE PROS USE: Mechanics, repair pros, and any avid DIYer knows our products bond strong to a variety of surfaces in even the toughest environments; and they have always been made in the USA.
  • MONEY SAVING REPAIR SOLUTION: The powered concentrate allows for an economical repair as compared to liquid based alternatives that use similar technology.
  • DURABLE FAST FIX: The special compound will quickly seal leaks and will also act as a rust inhibitor and lubricant to internal cooling system parts. It will not clog or harm your cooling system.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond.

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

 in stock
8 new from $4.61
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Seals leaks
  • Conditions cooling system
  • Inhibits rust and corrosion
  • Lubricates water pump seals
  • Helps control electrolysis

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

 in stock
13 new from $2.40
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Seals leaks
  • Conditions cooling system
  • Inhibits rust and corrosion
  • Lubricates water pump seals
  • Helps control electrolysis

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

 in stock
20 new from $2.89
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Auto & Truck Maintenance
  • Country of manufacture: United States
  • Manufacturer: BAR'S LEAKS
  • Works with all types and colors of anti-freeze coolant
  • Stops and seals coolant leaks

AlumAseal ASBPI12 Radiator Stop Leak Powder Blister Card - 20 g

 in stock
3 new from $7.65
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Stops leaks safely, quickly and easily
  • Safe and effective for all metal, plastic and rubber cooling system parts
  • Will not clog cooling systems
  • Compatible with all antifreeze and coolants
  • Stop leak tube treats cooling systems up to 22 quarts (21 liters)

Prestone AS148 Super Radiator Stop Leak - 11 oz.

 in stock
2 new from $5.00
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Stops leaks in all major parts of your cooling system
  • Protects against corrosion and pitting
  • Provides corrosion protection to cooling system metals
  • Afforded by fibrillated Kevlar particles

Prestone AS145 Radiator Sealer Stop Leak - 11 oz.

 in stock
5 new from $5.15
Free shipping
View On Amazon
Amazon.com
as of June 10, 2021 7:13 am

Features

  • Patented formula quickly stops leaks in radiators, water pumps, and heater cores
  • Boosts corrosion inhibitors to protect against pitting and corrosion, which cause radiator leaks
  • Combination of natural and synthetic components provides the ability to seal leaks up to 0.020" x 0.5"
  • Seals even large leaks without interfering with the flow through the radiator or heater core
  • Stops the leak as well as the corrosive condition that causes it