Best Car Radiator Sealant - April 2024

K&W 401224-6 FiberLock Head Gasket & Block Repair - 32 Fl Oz

Permanent pour 'n go head gasket & block repair compatible with all types of antifreeze. Repairs cooling system leaks w/3 unique technologies: military-strength fibers nanotechnology & Cool-X Conditioner-the ultimate solution for all coolant leaks.

• ASIN: B006OW2PIS
• UPC: 078372012242
• ASIN: B006OW2PIS
• Brand: K&W
• Size: 32 Fluid Ounces
• Manufacturer: CRC

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

Prestone AS145 Radiator Sealer Stop Leak - 11 oz.

Prestone Radiator Stop Leak features a patented formula that quickly stops leaks in radiators, water pumps, and heater cores while also protecting against pitting and corrosion. Prestone Radiator Stop Leak takes sealing performance to a higher level by both stopping the leak as well as the corrosive condition that causes leaks in the first place. Its unique combination of natural and synthetic components provides the ability to seal leaks up to 0.020-inches x 0.5-inches. What makes this possible is the size, strength, and durability afforded by fibrous particles, the same materials in bulletpr... [Read More]

• ASIN: B00B99U1V4
• UPC: 797496876546
• ASIN: B00B99U1V4
• Brand: Prestone
• Size: 11 Ounce
• Manufacturer: Prestone

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

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

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

Ever wish you had double the time or money? Or both? We know we do. That’s why we created the Bar’s Leaks Radiator Stop Leak 2X Concentrate. It has double the power of most other stop leak products and saves you double the time and money that it would take to get your car to the repair shop. When you need to fix a radiator leak, you don’t want to spend the time it will take to visit a mechanic. And then there’s the cost of getting a radiator stop leak solution. But getting the fix radiator leak solution you need shouldn’t be time consuming and it shouldn’t be expensive. That’s wh... [Read More]

• ASIN: B006GUMITE
• UPC: 046087011942
• ASIN: B006GUMITE
• Brand: Bar's Leaks
• Size: 11 Ounce
• Manufacturer: Bar's Leaks

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

Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair

Bar's Leaks Head Gasket and Cooling Sealant repairs blown head and intake gasket leaks. Seals cracked cylinder heads and blocks. Stops heater core and radiator leaks. Fixes leaking freeze and core plugs.

• ASIN: B003RGIWO0
• UPC: 046087011362
• ASIN: B003RGIWO0
• Brand: Bar's Leaks
• Size: Pack of 1
• Manufacturer: Bar's Leaks

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

Genuine GM (12378255) Fluid 3634621 Cooling System Seal Tablet - 4 Grams, (Pack of 5)

Original organic formula designed for use in radiator systems to seal leaks and prevent leaks due to casting porosity in engine components. Seals minor leaks and porosity in cooling systems. DEX-COOL compatible. Non-toxic.

• ASIN: B000QIH3C4
• ASIN: B000QIH3C4
• Brand: Genuine GM
• Size: Pack of 5
• Manufacturer: GM

J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.

SteelStik is a hand-mixable, steel-reinforced, non-rusting epoxy putty that quickly repairs or rebuilds anything made of metal. After mixing, it forms an industrial-strength polymer compound that can be molded into shapes or used to build up, patch and repair steel components. SteelStik sets in 3-5 minutes and after 60 minutes, can be drilled, tapped, machined, ground, filed and painted. SteelStik cures to a dark grey color, is rated at a tensile strength of 900 PSI and will withstand temperatures up to 300ºF.

• ASIN: B00RN7CT2U
• UPC: 043425267009
• ASIN: B00RN7CT2U
• Brand: J-B Weld
• Size: 1 Putty Stick
• Manufacturer: JBWeld

Blue Magic 16402 QuikSteel Aluminum Repair Aluminum Reinforced Epoxy Putty - 2 oz.

CarGo QuikSteel Aluminum reinforced epoxy putty sets in 5 minutes and cures in 1 hour. Great for household and automotive aluminum repair, lawn chairs, gutters, boats, aluminum radiators and many more applications.

• ASIN: B002UJ4WVC
• UPC: 728489164029
• ASIN: B002UJ4WVC
• Brand: Blue Magic
• Size: 2 Ounce
• Manufacturer: Blue Magic

Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz.

If the words “blown head gasket” make you nervous, we’re right there with you. We know firsthand that fixing a blown head gasket requires a hefty chunk of change and a few days without your car. Who has time to spend taking their car to the shop for a blown head gasket? And who has the extra cash to pay for a blown head gasket without planning for it? No, visiting the shop for a blown head gasket fix isn’t ideal. But what if we told you it was possible to fix this yourself with one of the most reliable blown head gasket solutions on the planet? Our easy-to-use Bar’s Leaks Head Gasket... [Read More]

• ASIN: B0036VRQ70
• UPC: 046087011119
• ASIN: B0036VRQ70
• Brand: Bar's Leaks
• Size: Pack of 1
• Manufacturer: Bar's Leaks

J-B Weld 8297 HighHeat 550 Degree Epoxy Putty Stick - 2 oz.

HighHeat is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. It cures to a tough, hard bond with little to no shrinkage. This industrial-strength product outperforms conventional epoxy putties at high temperatures and sets in 1 hour at room temperature. After 8 hours, it can be drilled, tapped, machined, ground, filed and painted. HighHeat is rated at a tensile strength of 800 PSI and cures to a machine grey in color. It is able to withstand continuous heat... [Read More]

• ASIN: B007PP26RI
• UPC: 012304151029
• ASIN: B007PP26RI
• Brand: J-B Weld
• Size: 2 Ounce
• Manufacturer: JBWeld

BlueDevil Head Gasket Sealer - 32 ounce(38386)

BlueDevil Head Gasket Sealer will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs.

• ASIN: B000NOO798
• UPC: 663536383865
• ASIN: B000NOO798
• Brand: BlueDevil Products
• Manufacturer: BlueDevil Products

Slime Emergency Tire Sealant - 16 oz. (Car/Trailer) - 10011

Keep the tires rolling with Access Marketing Slime Tubeless Tire Sealant, 10011. It's easy to repair puncture holes with this convenient solution. Slime tire sealant comes in a 16 oz container and is made for

• UPC: 21062131
• Model: 10011
• Color: Multicolor
• Size: 16 oz
• Rating: 4.0

Bar's Leaks Radiator Stop Leak - 6 oz.

The Bar's Leaks Radiator Stop Leak formula is designed to help stop holes in your automotive part with ease allowing you to resume your commute. It can be used with a wide range of antifreeze

• UPC: 38090329
• Model: 1194
• Color: Silver
• Size: Car care/cleaning
• Rating: 4.769

Auto Refit Car Fan General Electric Cooling Radiator Fan Fitting Set Mounting Kit

Parameters: Packing size: about 28*6*6CM/11.02*2.36*2.36in Weight: about 0.04KG Material: plastic, stainless steel Applicable model: general Suitable for installing transmission cooler and electric fan Features: Convenient, light, beautiful, high quality, easy to install, long service lifePackage

• UPC: 254174458

Auto Refit Car Fan General Electric Cooling Radiator Fan Fitting Set Mounting Kit

Parameters:Packing size: about 28*6*6CM/11.02*2.36*2.36inWeight: about 0.04KGMaterial: plastic, stainless steelApplicable model: generalSuitable for installing transmission cooler and electric fanFeatures:Convenient, light, beautiful, high quality, easy to install, long service lifePackage Includes:Installation feet * 4Tie * 4Spring *

• UPC: 661955957

Prestone® Radiator Flush + Cleaner 22 fl. oz. Bottle

Prestone Radiator Flush + Cleaner is a two-in-one formula designed for light flushing and heavy duty cleaning for cooling systems to help prevent overheating, the #1 cause of engine

• UPC: 35764365
• Model: AS105Y
• Color: Multicolor
• Size: 22 oz
• Rating: 4.546

Flex Seal Auto Car Gasket Sealant and Rust Prevention, Black, 14 oz

Flex Seal is a liquid rubber coating spray that turns into a durable waterproof barrier. It's easy to use and comes in a portable aerosol spray can. Flex Seal sprays out as a liquid, seeping

• UPC: 54980629
• Model: FSA20
• Size: 14 oz
• Rating: 5.0

Auto Car Upper Radiator Filler Neck For Nissan Altima 2007-2012 2.5L L4

Auto Car Upper Radiator Filler Neck For Nissan Altima 07-08-09-10-11-12 2.5L L4 Specification:Product Name: Radiator FillerColor: BlackMaterial: PlasticSize: 91mm*35mm (For Other Dimensions, Please Refer To Our Pictures)Type: RadiatorOE: 21501-9HA0APart Number: 0712NAEngine: 2.5L L4Quantity: 1PCFitment: For

• UPC: 574870583

Car Auto Solar Powered Cooling Fan Air Vent Window Cooler Radiator System US

Specification:100% Brand NewMaterial: ABSColor: BlackSize: Like the picture showStrip Length: About 76cmPackage Box Size: 15.8cm x 8.5cm x 12cmFeatures:Easy to install and portable, solar powered, needs no batteriesClean air and blows hot air out of

• UPC: 656584720
• Color: Black

Bar's Leaks Liquid Aluminum Radiator & Heater Core Stop Leak

Bar's Leaks Liquid Aluminum Radiator Stop Leak is scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Liquid Aluminum is part of the next generation stop leak line which

• UPC: 22087044
• Model: 1186
• Color: Silver
• Size: Car care/cleaning
• Rating: 4.111

Slime Tube Sealant Prevent & Repair 16 oz. - 10004

Eliminate flat tires with Slime Tube Sealant. This sealant works instantly on tube tires. It repeatedly seals punctures for up to two years. Slime Tube Sealant is non-toxic and

• UPC: 16782748
• Model: 10004
• Color: Multicolor
• Size: 16 oz
• Rating: 4.167

ALUMASEAL Worlds Best Radiator Stop Leak Sealer ASBPI12 For Car, Truck

• UPC: 162120452230
• Category: Radiators & Parts
• Price: 1 USD

Best Car Van Radiator Or Heater Matrix Repair Stop Leak Sealer Stopper Fast Fix

• UPC: 360385134979
• Category: Radiators
• Price: 6 GBP