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

    Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.

    • ASIN: B002696FA2
    • UPC: 046087011867
    • ASIN: B002696FA2
    • Brand: Bar's Leaks
    • Size: Pack of 1
    • Manufacturer: Bar's Leaks

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

    Radiator Stop Leak, Granules, Size 0. 07 Oz, Dosage 0. 07 oz. , Specific Gravity Less than 1, Rust, For Use With Radiator/Coolant System Leaks

    • ASIN: B0002JMI68
    • UPC: 043425114112
    • ASIN: B0002JMI68
    • Brand: J-B Weld
    • Manufacturer: J-B WELD

  • C and R Racing Radiators 59-00001 Dike Stop Leak

    C&R Stop Leak is an item that can prevent a DNF in the event of a radiator puncture, cracked cylinder head, or head gasket problem. Many race cars have dropped out of races because of these problems. Up to now, the drawback of using stop leak was the residue that it left behind. Most stop leaks use ceramic and rely on air to make it coagulate and plug a hole or crack. This works well but the bad side effect is that when the water is drained from the system during an engine change, the stop leak will dry inside of the radiator, heads, and engine block leaving a ceramic coating. Ceramic is a goo... [Read More]

    • ASIN: B00TO60CMW
    • UPC: 815841023954
    • ASIN: B00TO60CMW
    • Brand: C and R Racing Radiators
    • Manufacturer: C and R Racing Radiators

  • ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

    AT-205 Re-Seal is a fast, effective and safe stop-leak for all rubber seals and gaskets. The exclusive formulation restores worn or dried out seals and is not harmful to internal bearings and components. 

    • ASIN: B000NVW1LM
    • UPC: 616369889363
    • ASIN: B000NVW1LM
    • Brand: ATP Automotive
    • Manufacturer: ATP

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

    We all love using our tablets these days — reading, gaming, surfing the web, you name it! Unfortunately, that kind of tablet won’t be able to fix your leaky radiator. Like so many of the parts on your vehicle, your radiator needs regular maintenance to remain in tip-top condition. When you need radiator leak repair, you may be picturing a time-consuming and expensive trip to the mechanic. But, with Bar’s Leaks, that doesn’t have to be your reality when searching to repair a radiator leak. Our product engineers created these Bar’s Leaks Radiator Stop Leak Tablets to repair radiator le... [Read More]

    • ASIN: B000KKND3Q
    • UPC: 046087000069
    • ASIN: B000KKND3Q
    • Brand: Bar's Leaks
    • Size: Pack of 1
    • Manufacturer: Bar's Leaks

  • Bar's 1196-6PK Radiator Stop Leak 6/11Oz

    Picture this: you walk out to your driveway or garage and see fluid pooling on the floor, and immediately think about the inconvenience of visiting a mechanic, plus the costly bill that comes with the solution. What you need is a safe and easy way to stop that leak so you can get on with your day as planned. Our Bar’s Leaks Radiator Stop Leak Concentrate will do just that. At Bar’s Leaks, each of our products is easy to use. There’s no special automotive expertise required. If you can pop the hood on your car, you can use our radiator sealant and other products. Each of our solutions is ... [Read More]

    • ASIN: B00BYS6J52
    • ASIN: B00BYS6J52
    • Brand: Bar's Leaks
    • Size: Pack of 6
    • Manufacturer: Bar's

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

    Radiator leaks can be overwhelming, especially when you don’t have the time or the money to take your car to the shop. Many first discover these seal coolant leaks when they walk out to their car and notice a puddle sitting beneath it. The initial reaction is to assume that the leak will create an expensive visit to the garage, not to mention the inconvenience of going without your car during the repair. Well, it’s time to ease your worries, because we have created a fast and easy-to-use product that seals internal, external and coolant-to-oil leaks. Our Bar’s Leaks Pelletized Radiator H... [Read More]

    • ASIN: B000CNN304
    • UPC: 046087000472
    • ASIN: B000CNN304
    • Brand: Bar's Leaks
    • Size: 11 Ounce
    • Manufacturer: Bar's Leaks

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

    It’s part of life: older cars, trucks, vans, SUVs and even RVs can develop larger leaks in their radiators and intake manifolds. If you’ve tried regular stop leak products, you know they are not powerful enough to stop these larger leaks. If you visit the service center down the street, you know just how expensive it can be to repair an intake gasket leak through a mechanic. Isn’t there a better way? There should be, which is why Bar’s Leaks designed the Liquid Copper Block Seal Intake & Radiator Stop Leak. This one-step sealer was designed to quickly and safely stop these overwhelming... [Read More]

    • ASIN: B002PX91OG
    • UPC: 046087011096
    • ASIN: B002PX91OG
    • Brand: Bar's Leaks
    • Size: Pack of 1
    • Manufacturer: Bar's Leaks

  • Liqui Moly 20132 Radiator Stop Leak, 8.45 Fluid_Ounces

    Small leaks caused by stone impacts, porous soldering points and hairline cracks in the cooling system can be easily stopped (in addition to leaks not easily seen, by noticing decreasing coolant reservoir levels after rides).

    • ASIN: B076ZP45Z5
    • ASIN: B076ZP45Z5
    • Brand: Liqui Moly
    • Size: 0.25 l, 1 Pack
    • Manufacturer: Liqui Moly

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

    K-Seal 8 fluid ounce bottle is effective to 20 quarts cooling capacity. Just shake, pour and go. It repairs leaks and cracks in radiator, head gasket, heater core, freeze plugs, water pump casing, cylinder heads and engine blocks.

    • ASIN: B001QT9KO6
    • UPC: 812646010004
    • ASIN: B001QT9KO6
    • Brand: K-Seal
    • Manufacturer: K-Seal

  • GOLD EAGLE/303 PRODUCTS ASBPI12 AlumaSeal Radiator Sealer, 0.71 Oz,

    This product stops leaks safely, and is safe for all types of radiators. It treats up to 22 QT systems. It is convenient and works effectively. It is definitely a great quality product.

    • ASIN: B000EZX22Y
    • UPC: 034618242880
    • ASIN: B000EZX22Y
    • Brand: GOLD EAGLE/303 PRODUCTS
    • Size: 0.71 oz
    • Manufacturer: GOLD EAGLE

  • AlumAseal ASBPI12 Radiator Stop Leak Powder Blister Card - 20 g

    AlumAseal is the original powder solution for stopping radiator and cooling system leaks. Simply pour in Alumaseal powder and wait for the patented formula to find and seal most cooling system leaks. Alumaseal powder is safe with all types of antifreeze, prevents rust and helps lubricate the water pump.

    • ASIN: B000FW61M4
    • UPC: 073905242882
    • ASIN: B000FW61M4
    • Brand: Alumaseal
    • Size: Blister Card (Single)
    • Manufacturer: AlumAseal

  • Bar's Leaks J-100 Professional DiFM Cooling System Treatment, 5-Gram Tablets

    If you are a car enthusiast and know your way around under the hood, you might want to try our professional-series DiFM Professional Cooling System Treatment tablets. They are the perfect product to use any time you are servicing the cooling system, including parts replacement, flush and fills. This product inhibits the formation of rust and scale, keeps the system clean, neutralizes pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks. These tablets fully dissolve in minutes and are harmless to ALL plastic, metals, aluminum, hoses and connectio... [Read More]

    • ASIN: B003RGBUTE
    • UPC: 046087011058
    • ASIN: B003RGBUTE
    • Brand: Bar's Leaks
    • Manufacturer: Bar's Leaks

  • AlumAseal ASLC16 Radiator Stop Leak and Conditioner Liquid - 16 Fl oz.

    AlumAseal Radiator Stop Leak Liquid is a radiator/cooling system stop leak with a water pump conditioner. Alumaseal Liquid Radiator Stop Leak is compatible with all kinds of antifreeze and coolants. It is also compatible with all metal, plastic and rubber cooling system parts.

    • ASIN: B0027I4IPG
    • UPC: 073905008464
    • ASIN: B0027I4IPG
    • Brand: Alumaseal
    • Size: 16 Fl. oz.
    • Manufacturer: AlumAseal

  • Niteo Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz.

    Gunk Radiator Sealer and Stop Leak is a non-metallic liquid formula that goes to work fast to repair cooling system leaks. It forms a tough, durable seal that holds up to extreme heat, vibration, and pressure.

    • ASIN: B000ABG9ZO
    • UPC: 078698303048
    • ASIN: B000ABG9ZO
    • Brand: Niteo
    • Size: One Each, 11 oz.
    • Manufacturer: Niteo Products

  • Prestone® Products AS145Y Radiator Stop Leak, 11 Oz

    Prestone, 11 OZ, Radiator Stop Leak, Unique Combination Of Natural and Synthetic Components Provides The Ability To Seal Leaks Up To 0.016" x 0.5", What Makes This Possible Is The Size, Strength, and Durability Afforded

    • UPC: 47705073
    • Model: AS145Y
    • Color: Multicolor
    • Size: EA
    • Rating: 5.0

  • Radiator Stop Leak, Granules, 0.07 oz J-B WELD

    Zoro #: G0899087 Manufacturer #: DS114Specific Gravity: Less than 1 Type: GranulesSize (Oz.): 0.07 Material: -Package Quantity: 1 Color: RustViscosity (SUS @ 100 F): 5.49 For Use With: Radiator/Coolant System LeaksIncludes: - Item: Radiator Stop

    • UPC: 473634677

  • Bar'S Leaks Hdc Radiator Stop Leak Tablet - 60 Grams

    Seals Leaks Conditions Cooling System Inhibits Rust And Corrosion Lubricates Water Pump Seals Helps Control

    • UPC: 848332303
    • Model: HDC
    • Color: Multicolor
    • Size: 60 grams

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

    Seals Leaks Conditions Cooling System Inhibits Rust And Corrosion Lubricates Water Pump Seals Helps Control

    • UPC: 896286902
    • Model: PLT11
    • Color: Multicolor
    • Size: 11 oz

  • Bar'S Leaks R6 Liquid Radiator Stop Leak - 5.5 Oz.

    Seals Leaks Conditions Cooling System Inhibits Rust And Corrosion Lubricates Water Pump Seals Helps Control

    • UPC: 892198925
    • Model: R6
    • Color: Multicolor
    • Size: 5.5 oz

  • Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz (6 Pack)

    Bar's Leaks 1194 Grey Radiator Stop Leak - 6

    • UPC: 635594603
    • Model: RR-EEEQ-1142

  • ✅Radiator Leak: Best Radiator Stop Leak 2019 (Buying Guide)

    8 Best Radiator Stop Leaks 2018

    Radiator Stop Leak CAUTION use ⚠