Best Engine Coolant to Buy Right Now (2022)

Sometimes it might be quite difficult to find the best engine coolant. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this engine coolant buying guide.

Our Best Picks:

# Preview Product
1 Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
2 PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal. PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1...
3 Prestone Anti Freeze Coolant, Maximum Protection Long Life Coolant, Engine Protection Against Rust Corrosion Clogging for All Vehicle Types and Fluid Colors, 1 Gallon, Prediluted 50/50, Tissue Pack Prestone Anti Freeze Coolant, Maximum Protection Long Life Coolant, Engine Protection Against Rust...
4 K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
5 Zerex Original Green Low Silicate 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA Zerex Original Green Low Silicate 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
6 PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal. PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
7 Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon
8 PEAK PXAB53 Antifreeze Coolant, 1 gal, 50/50, Amber PEAK PXAB53 Antifreeze Coolant, 1 gal, 50/50, Amber
9 PEAK OET Extended Life Green 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal. PEAK OET Extended Life Green 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
10 ACDelco GM Original Equipment 10-5027 Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal ACDelco GM Original Equipment 10-5027 Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal
11 PEAK OET Extended Life Pink 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal. PEAK OET Extended Life Pink 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal.
12 Zerex G05 Phosphate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA Zerex G05 Phosphate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
13 Zerex Asian Vehicle Red Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA Zerex Asian Vehicle Red Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1...
14 PEAK OET Extended Life Red/Pink 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal. PEAK OET Extended Life Red/Pink 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
15 PEAK OET Extended Life Gold 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal. PEAK OET Extended Life Gold 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.

15 Best Engine Coolant Reviews:

SaleBestseller No. 1
Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • MaxLife Antifreeze is the only antifreeze to contain Alugard Plus, a special additive that allows these chemistries to work together to provide maximum protection.
  • Lubricates gaskets and seals
  • Long Life Formula
  • For all makes and models
  • Helps protect against cold weather freeze-ups and hot weather boil-overs
Bestseller No. 2
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
  • 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 engine cooling system components
  • DESIGNED FOR NORTH AMERICAN VEHICLES: Recommended for use with Ford, Chrysler, and GM vehicles that require an orange organic acid technology formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already prediluted to make topping off your cooling system a breeze
Bestseller No. 3
Prestone Anti Freeze Coolant, Maximum Protection Long Life Coolant, Engine Protection Against Rust Corrosion Clogging for All Vehicle Types and Fluid Colors, 1 Gallon, Prediluted 50/50, Tissue Pack
  • Compatible with all vehicles like Toyota, BMW, Kia, Honda, Subaru, Mazda, and Mercedes. Engine coolant is formulated to work with All fluid colors; All OAT, POAT, HOAT & IAT.
  • Super Long Life Coolant Guarantee - 10 Years, 300,000 mile Extended life formula Includes patented Prestone CorGuard technology, our best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
  • Ready to Use formula. This item contains a bittering agent.(prediluted to a 50% Eg & 50% distilled water mix).
  • Perfect for small volume top-off or complete drain and refill of the cooling system
SaleBestseller No. 4
K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
  • Permanent Coolant Leak Repair - Just Shake, Pour And Go
  • Mixes With All Antifreeze
  • No Draining Or Flushing
  • Fixes Cracks And Leaks In Radiator, Head Gasket, Freeze Plugs, Cylinder Heads, Heater Core, Water Pump Casing And Engine Blocks
SaleBestseller No. 5
Zerex Original Green Low Silicate 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • 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 30 – 50 ppm of denatonium benzoate as a bittering agent
Bestseller No. 6
PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • 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 engine cooling system components
  • DESIGNED FOR ASIAN VEHICLES: Recommended for use with Acura, Honda, Infiniti, Mitsubishi, Nissan, Subaru, and Suzuki vehicles that require a BLUE Phosphate-enhanced Organic Acid Technology (POAT) formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already diluted to make topping off your cooling system a breeze
Bestseller No. 7
Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon
  • 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.
  • Engineered to keep your operating temperatures at optimum performance to not lose power through excess heat; Engine Ice is safe for aluminum and most all metals
  • Uses propylene glycol, which has been proven to eliminate water pump gasket and seal failures; it has also shown in high load, high stress conditions to reduce operating temperatures more than standard coolants
Bestseller No. 8
PEAK PXAB53 Antifreeze Coolant, 1 gal, 50/50, Amber
  • Formulated to help protect a vehicle through its entire service life when complete cooling system flush and fill and specified maintenance are performed.
  • Proprietary inhibitors provide maximum rust and corrosion protection in all automobiles and light trucks regardless of make, model, year, or original antifreeze color.
  • Provides Lifetime Protection For As Long As You Own Your Vehicle When A Complete Cooling System Flush And Fill Is Performed And Specified Maintenance Followed
  • Formulated For Use In All American, Asian, And European Automobiles; Features A Patented Non 2-Eh Formula That Is Silicate Free
Bestseller No. 9
PEAK OET Extended Life Green 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • 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 engine cooling system components
  • DESIGNED FOR ASIAN VEHICLES: Recommended for use with Hyundai, Infiniti, Kia, Mitsubishi, Nissan, Subaru, and Suzuki vehicles that require a GREEN Phosphate-enhanced Organic acid technology (POAT) formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already diluted to make topping off your cooling system a breeze
Bestseller No. 10
ACDelco GM Original Equipment 10-5027 Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal
  • 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)
  • 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
  • Long shelf life: storage-stable for 8 years
  • The backwards compatible formula can be used with conventional cooling systems and may also be used for service of all 1994-95 GM vehicles EXCEPT 1994 Cavaliers/Sunfires with 4-cylinder engines. Must be replaced every 2 years/30,000 miles whenever used in a vehicle not originally designed to use Dex-Cool
Bestseller No. 11
PEAK OET Extended Life Pink 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal.
  • 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 certain years of Audi, Fiat, Saab, and other European vehicles that require a PINK Silicate-Free Organic Acid Technology (OAT) formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already prediluted to make topping off your cooling system a breeze
Bestseller No. 12
Zerex G05 Phosphate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • 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
  • ZEREX G-05 contains a high quality defoamer system and will not harm hoses, plastics or original vehicle finishes
  • For any product use or product technical questions call 1-800-TEAM-VAL
Bestseller No. 13
Zerex Asian Vehicle Red Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • 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
  • Meets the following OEM and industry specifications: JIS K 2234-1994, Hyundai/KIA MS 591-08, Mitsubishi ES-64217, Ford WSS-M97B55-A, ASTM 3306, ASTM D4985, Federal Specification A-A-870A
  • Note: Please check the vehicle specification before purchasing the item.
Bestseller No. 14
PEAK OET Extended Life Red/Pink 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • 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 engine cooling system components
  • DESIGNED FOR ASIAN VEHICLES: Recommended for use with Lexus, Scion, and Toyota vehicles that require a RED/PINK Phosphate-Enhanced Organic Acid Technology (POAT) formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already diluted to make topping off your cooling system a breeze
Bestseller No. 15
PEAK OET Extended Life Gold 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
  • 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 engine cooling system components
  • DESIGNED FOR NORTH AMERICAN VEHICLES: Recommended for use with Ford and Chrysler vehicles that require Gold hybrid organic acid technology (HOAT) formula
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • 50/50 PREDILUTED FOR QUICK TOP OFFS: Already prediluted to make topping off your cooling system a breeze

Last update on 2022-12-04 / Affiliate links / Images from Amazon Product Advertising API

How to find the best engine coolant?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best engine coolant for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good engine coolant recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the engine coolant need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for engine coolant to find what you’re looking for:

Brand

In some cases, the brand of engine coolant is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given engine coolant are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about engine coolant are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare engine coolant quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best engine coolant can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.