Top 10 Radiator Leak Stop – Quantity Discounts

As an Amazon Associate I earn from qualifying purchases.

1. K-Seal

#ad

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

#adK-Seal #ad - Fixes cracks and leaks in radiator, freeze Plugs, Cylinder Heads, Head Gasket, heater core, Water Pump Casing And Engine Blocks. No draining Or Flushing. Permanent coolant leak repair - Just Shake, Pour And Go. Fit type: Universal. Mixes with All Antifreeze.

Brand	K-Seal #ad
Manufacturer	Solv-Tec #ad
Height	6 inches
Length	7.87 inches
Weight	0.6 Pounds
Width	2 inches
Part Number	ST5501
Model	ST5501
Warranty	When K-Seal makes a repair we guarantee it will be permanent

2. Bar's Leaks

#ad

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

#adBar's Leaks #ad - Seals freeze plug leaks. Special shipping information: This item cannot be returned and has additional shipping restrictions. Seals freeze plug leaks. Repairs gasket leaks. Tip: if direct access to radiator is not available, install in overflow tank. Lowers water temperature. Repairs gasket leaks and heater core leaks. All products are safe to use per the directions, proper dosage and in a clean system. Bar's leaks liquid aluminum stop leak seals radiator leaks. Seals radiator leaks.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	6.6 inches
Length	1.8 inches
Weight	0.8 Pounds
Width	3 inches
Part Number	1186
Model	1186
Warranty	No

3. Bar's Leaks

#ad

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

#adBar's Leaks #ad - Inhibits rust and corrosion. Helps control electrolysis. Conditions cooling system. Seals leaks. Lubricates water pump seals.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	6 inches
Length	3 inches
Weight	0.69 Pounds
Width	3 inches
Part Number	PLT11
Model	PLT11
Warranty	See manufacturer

4. Bar's Leaks

#ad

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

#adBar's Leaks #ad - Lubricates water pump seals. Helps control electrolysis. Inhibits rust and corrosion. Seals leaks. Conditions cooling system.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	0.8 inches
Length	7.5 inches
Weight	0.1 Pounds
Width	5 inches
Part Number	HDC
Model	HDC
Warranty	Manufacturer Warranty

5. Bar's Leaks

#ad

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

#adBar's Leaks #ad - Seals larger leaks seals. Repairs heater core leaks. Repairs blown head gaskets. Repairs blocks. Repairs freeze plug leaks.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	2.6 inches
Length	7.5 inches
Weight	1.13 pounds
Width	2.6 inches
Part Number	1109
Model	1109

6. Prestone

#ad

Prestone AS145 Stop Leak Repair for Radiators, 1 Pack, 11 oz., Heater Cores, and Hoses

#adPrestone #ad - Stops the leak as well as the corrosive condition that causes it. Combination of natural and synthetic components provides the ability to seal leaks up to 0020" x 05". 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. Seals even large leaks without interfering with the flow through the radiator or heater core.

Brand	Prestone #ad
Manufacturer	Prestone #ad
Height	5.64 inches
Length	1.91 inches
Weight	0.8 Pounds
Width	3.04 inches
Part Number	AS145
Model	AS145

7. Bar's Leaks

#ad

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

#adBar's Leaks #ad - One bottle treats up to 4 gallons. Works with all types and colors of anti-freeze coolant. Works with all types and colors of anti-freeze coolant. Stops and seals coolant leaks. One bottle treats up to 4 gallons. Stops and seals coolant leaks.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	5 inches
Length	1.6 inches
Weight	0.5 pounds
Width	2.4 inches
Part Number	1196
Model	1196
Warranty	No

8. Bar's Leaks

#ad

6 oz., Bar's Leaks Radiator Stop Leak 2X Concentrate

#adBar's Leaks #ad - Package weight :081lbs works with all types and colors of antifreeze That’s why we created the Bar’s Leaks Radiator Stop Leak 2X Concentrate. One bottle treats systems. Country of origin :United States coolant and/or water. Package dimensions :4. 064 cm l x6. 096 cm w x12. 446 cm h it has double the power of most other stop leak products and saves. Seals leaks in radiators, gaskets, Heater Core & Freeze P lugs Works with all types and colors of antifreeze coolant. Product type :Auto Accessory Stops and seals coolant leaks.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	6.5 inches
Length	1.8 inches
Weight	0.47 pounds
Width	3 inches
Part Number	1194
Model	1194
Warranty	No

9. Bar's Leaks

#ad

Bar's Leaks C16 Liquid Radiator Stop Leak, 11 oz.

#adBar's Leaks #ad - Inhibits rust and corrosion. Helps control electrolysis. Conditions cooling system. Lubricates water pump seals. Seals leaks.

Brand	Bar's Leaks #ad
Manufacturer	Bar's Leaks #ad
Height	6 inches
Length	3 inches
Weight	0.69 Pounds
Width	2 inches
Part Number	C16
Model	C16

10. Liqui Moly

#ad

0.25 l, 1 Pack, Liqui Moly 20132 Radiator Stop Leak

#adLiqui Moly #ad - Liqui moly radiator stop-Leak completely seals such leaks immediately with ease. For all cooling water and heating systems with and without water filters. Liqui moly radiator stop-Leak completely seals such leaks immediately with ease. Secures the combustion chamber from damages caused by coolant admission.

Brand	Liqui Moly #ad
Manufacturer	Liqui Moly #ad
Height	0 Inches
Length	0 Inches
Width	0 Inches
Part Number	20132
Model	20132

30-90% Disocunts Found!

We found that some of the products on this list are now discounted on Amazon! Do you want to see these products?

Show Discounted Products

Disclaimer: We earn small fee from purchases made on Amazon.