Best Zerex Antifreezes Coolants in 2026

No.1 selling brand of gas-line antifreeze and water remover

Safe for use in all 4-cycle engines including fuel injected engines

Prevents gas-line freeze up

Formulated to replace the OEM fluid in Asian make vehicles such as Toyota , Lexus , Scion and others requiring a red, silicate free HOAT antifreeze/coolant

5 year/150, 000 mile . Silicate-free, long-life, phosphate Hybrid Organic Acid Technology chemistry

The long life formula provides protection for all cooling system metals from rust and corrosion. The silicate free, borate free formula helps protect against harmful scale and deposits

Engine Ice hi-performance coolant is biodegradable, phosphate free and non-toxic, typically reduces operating race temperatures and effectively keeping boil over temperatures to 256° Fahrenheit or less and freeze-up protection to -26° Fahrenheit

With an average reduction in operating temperatures of 10° Fahrenheit - 20° Fahrenheit Engine Ice is perfect for racing or street, motorcycle or auto, ATV or snow machine

Engine Ice hi-performance coolant is legal in CCS and ASRA road racing and permitted at many tracks around the world. Easy to Use – Premixed with deionized water for out-of-the-bottle use.

1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.

PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components

DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with BMW, Jaguar, Volvo, and other European vehicles that require a BLUE Silicate-Enhanced Hybrid Organic Acid Technology (Si-HOAT) formula

UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards

ORGANIC ACID TECHNOLOGY RESISTS RUST, SCALE & CORROSION while protecting all cooling system metals (including aluminum)

HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish

Specially formulated for long service intervals, the coolant can last up to 5 years or 150,000 miles. (Maintenance needs vary with different uses and driving conditions. See your Owner's Manual for more information).Fit Type: Vehicle Specific

Provides effective long-term anti-corrosion support by protecting brass, cast iron, steel, solder, and copper components. Also provides superior high-temperature protection for aluminum components.

Non-silicate formula retains excellent heat transfer characteristics for improved water pump life

See product description below for vehicle fitment or to verify fitment for your specific vehicle, please contact us, and provide us with your VIN that can be found on your vehicle or your insurance card.

QUICK FILL: The 50/50 Premix formula allows for quick fill and is safe for use with hard water

OUTSTANDING PROTECTION: 50/50 Premix Extended Life Antifreeze is specifically engineered for Polaris 2 and 4-cycle engines to provide extreme temperature boil-over protection and freeze protection down to -34° F (-37° C)

CONTAINS ALUGARD PLUS FOR COMPATIBLITY WITH ALL ETHYLNE GLYCOL-BASED COOLANTS in automobiles and light duty trucks.Fit Type: Universal

FIGHTS CORROSION, SCALING AND RUST while protecting all cooling system metals (including aluminum)

HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish

Provides protection down to -34 degree fahrenheit

Helps prevent rust and corrosion

A patented organic acid corrosion inhibitor package to provide extended engine protection against rust and corrosion

Contains a bittering agent

Many products require vehicle-specific fitment

View the Compatibility table to ensure the part fits your year, make, model and submodel

Please reference the submodel information located on the far left within the Compatibility table under inchNotes inch

HEAVY DUTY FORMULA to meet the harsher demands of heavy-duty diesel engines such as Cummins, DDC, MACK, Navistar, Paccar and Volvo

ORGANIC ACID TECHNOLOGY RESISTS CORROSION, SCALE AND RUST to protect diesel engines and ensure your antifreeze flows and functions properly.

PROTECTS ALL COOLING SYSTEM METALS INCLUDING ALUMINUM and won’t harm gaskets, hoses or original vehicle finish

Content 150 ml

Suitable for aluminum radiators

Permanently and reliably seals hairline cracks and minor leaks

Antifreeze Coolant, 1 gal., 50/50 - AF2100

Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.

Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula

Protects against boil over to 265°F and freezing to -26°F

Reduces engine wear and inhibits corrosion

Safe for all radiators and all gas/diesel engines

Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol.Measuring Range: -50 to 0 ℃.

Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition.Measuring Range:1.10 to 1.40 kg/l

Function 3: Measuring windshield washer fluid based on ethanol or isopropyl alcohol.Measuring Range:-40 to 0 ℃

Permanent coolant leak repair - Just shake, pour and go

Mixes with all antifreeze

No draining or flushing

15 Double-Ended test strips used to test both coolant and Brake fluid

Gives you the peace of mind that your Brake fluid is good and is safely performing its proper function

Identifies potential Brake fluid and coolant related problems before they occur -thereby ensuring your safety and fewer breakdowns

EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing up in cold climates and to prevent your engine from overheating which can cause mechanical breakdowns and engine failure; Avoid these issues by testing your coolant mixture with the ABN Deluxe Car Antifreeze Coolant Test Kit

BUILT TO LAST: Constructed of premium plastic and rubber materials, this antifreeze tester is designed to easily test freezing and boiling temperatures of your coolant to water solutions; The large rubber bulb and 5.5-inch (14 cm) rubber tube makes it easy to suck liquid into the small plastic reservoir; Easy to read stickers allow you to test the solution and provides instructions; Flush out with water after each use for accurate readings

CLEAR TESTER FOR VISUAL INSPECTION: As a bonus, the clear reservoir allows you to inspect the condition of the antifreeze in your vehicle; Easily inspect color and for any rust, sludge, or other sediments

Reduces Engine Cylinder Heat Temperatures

Allows Safe Advancement of Ignition Timing Resulting in More Horsepower

Prevents Overheating in High Performance and High Load Engines

Antifreeze and coolant tester

For Ethylene Glycol

Can be used warm or cold

Designed for use with recreational vehicles, boats, spas, pools, and vacation homes

Formulated for -50 degree F burst protection

Convenient, ready-to-use solution

The formulation is designed for both gasoline and diesel engines

Its lower-silicate, reduced pH, phosphate free European technology protects all cooling system metals, including aluminum, from corrosion

ZEREX G-05 is a nitrite containing coolant designed to protect diesel engine cylinder liners from cavitation. It contains deposit control additives for protection from hard water deposits and scale

▶️ Made of High Quality T-6061 Aluminum Material

▶️ Natural Satin Finish / .11" Thick Walls

▶️ 3/8" Female NPT Inlet / 1/2" Female NPT Outlet

Checking Freezing Point Hydrometer: This antifreeze tester measures range is -50℃ to 0 ℃, designed for measuring of freezing point of automobile antifreeze based on ethylene glycol or polypropylene glycol.

Battery Checker: measuring specific gravity of car battery acid, measuring range 1.10 to 1.40 kg/l and allow you quick to know battery charge condition

Windshield Washer Fluid Checking: Measuring range between -40℃ to 0 ℃. Refractometer for measruing windshild washer fluid based on ethanol or isopropyl alcoho

Combo Pack contains two 64 oz. bottles of Evans Powersports Waterless Coolant with a 1 gallon bottle of Evans Prep Fluid for a complete coolant swap. This product contains a bittering agent.

Evans Powersports Waterless Coolant is specifically designed for MX Bikes, Trail Bikes, Enduro Bikes, Street Bikes, Quad Bikes, ATVs, UTVs and Snowmobiles

Evans Waterless Coolants have a boiling point above 375 Degree Fahrenheit and will not vaporize, eliminating overheating, boil-over and after-boil, while generating very low vapor pressures reducing strain on engine cooling system components

【3-IN-1 REFRACTOMETER】Measuring specific gravity of rechargeable battery acid: 1.100~1.400kg/L,freezing point of automobile antifreeze based on ethylene glycol or propylene glycol :-50 to 0 ℃,and windshield wash Fluid:-40 to 0 ℃.It's very convenient to use the antifreeze refractometer which can test once get three results.

【ATC FUNCTION】This antifreeze tester features ATC function, no worry about the ambient temperature changes any more and can get the accurate readings.

【EASY TO USE】It is easy to use the antifreeze refractometer.After calibration,put 2-3 drops of sample solution on prism, and towards light,then get the accurate readings.

Just need the Anti-freeze? This is the kit for you. This kit uses -50 degree antifreeze. Our kit includes enough for 1 engine.

Kit includes: (Qty - Description)

5 - 1 Gal. -50 Anti-Freeze 1 - 12 Oz Aerosol Fogging Oil

Premium quality accurate and Reliable: Our antifreeze refractometer is designed to provide precise and dependable readings, ensuring accurate measurements of the freezing point and concentration of antifreeze solutions.

Easy to Use: With its user-friendly design, our refractometer allows for quick and effortless testing. Simply place a few drops of the antifreeze sample on the prism, close the cover, and read the results through the eyepiece.

Wide Range of Applications: Our refractometer is not limited to antifreeze solutions. It can also be used to measure and monitor the concentration of other industrial fluids like glycol-based coolants, battery electrolytes, and windshield washer fluids.

Developed with top SXS and Off-Road Class racers, Off-Road Coolant has been tested and proven in the harshest and most extreme environments, specially designed for large volume cooling systems 2 gallons or more

Premium ethylene glycol and pure deionized water are combined with an advanced additive system to provide ultimate protection against rust, corrosion, cavitation and foaming while providing water pump and seal lubrication for steel, aluminum and magnesium engines

Ready-to-use formulation requires no mixing, and is compatible mixing with OE fluids