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 bestStop Leak For Radiatorsof November 2025

112M consumers helped this year.

1

Aerol Silicone Lubricant Spray, Grade 70 (300g/513 ml) Odourless, Colourless & Non-Toxic Lubricant, Rejuvenates & Shines Surfaces, Lubricates Most Plastic, Rubber & Metal Parts
Aerol Silicone Lubricant Spray, Grade 70 (300g/513 ml) Odourless, Colourless & Non-Toxic Lubricant, Rejuvenates & Shines Surfaces, Lubricates Most Plastic, Rubber & Metal Parts

AEROL

9.7

View Product
Buy it on Amazon

2

Bar's Products Leak HG-1 Head Seal Blown Head Gasket Repair
Bar's Products Leak HG-1 Head Seal Blown Head Gasket Repair

Bar's Leaks

9.4

View Product
Buy it on Amazon

3

MOTOAGGRANDIZE Radiator Guard/Protector for Kawasaki Z900 | Colour: Black
MOTOAGGRANDIZE Radiator Guard/Protector for Kawasaki Z900 | Colour: Black

Motoaggrandize

9.2

View Product
Buy it on Amazon

4

Roger Engitech Nano Ceramic Coating - High Performance Ceramic Engine Oil Additive With Friction Reduction Technology - Enhances Engine Efficiency, Suitable For All Cars
Roger Engitech Nano Ceramic Coating - High Performance Ceramic Engine Oil Additive With Friction Reduction Technology - Enhances Engine Efficiency, Suitable For All Cars

ROGER

8.9

View Product
Buy it on Amazon

5

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

8.6

View Product
Buy it on Amazon

6

Hy-Per Lube HPC100-3PK High Performance Super Coolant - 16 oz, (Pack of 3)
Hy-Per Lube HPC100-3PK High Performance Super Coolant - 16 oz, (Pack of 3)

HY-PER Lube

8.3

View Product
Buy it on Amazon

7

K-SEAL Permanent COOLANT Leak Repair Liquid 236ml - Stop Radiator Leak, Head Gasket Repair,Block/Head Sealer-No Draining/No Flushing,for All Cars, Light Trucks, Heavy Trucks & Buses
K-SEAL Permanent COOLANT Leak Repair Liquid 236ml - Stop Radiator Leak, Head Gasket Repair,Block/Head Sealer-No Draining/No Flushing,for All Cars, Light Trucks, Heavy Trucks & Buses

K-Seal

8.0

View Product
Buy it on Amazon

8

Liqui Moly Ready Mix Radiator Coolant RAF12+ (1 Litre)
Liqui Moly Ready Mix Radiator Coolant RAF12+ (1 Litre)

Liqui Moly

7.7

View Product
Buy it on Amazon

9

Liqui Moly Radiator Stop-Leak Oil (150 ml)
Liqui Moly Radiator Stop-Leak Oil (150 ml)

Liqui Moly

7.4

View Product
Buy it on Amazon

10

MOTOAGGRANDIZE Radiator Guard/Cover/Protector for Bajaj NS 200 and AS 200 | Colour: Black
MOTOAGGRANDIZE Radiator Guard/Cover/Protector for Bajaj NS 200 and AS 200 | Colour: Black

Motoaggrandize

7.1

View Product
Buy it on Amazon

Related Reviews You Might Like

Radiator Leak Sealer

Radiator Leak Sealer

Radiator Stop Leaks

Radiator Stop Leaks
subscribe-icon

Best Reviews Guide Newsletter

Get exclusive articles, recommendations, shopping tips, and sales alerts

By submitting your email address you agree to our Terms and Conditions and Privacy Policy