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Best Antifreeze For Cummins Diesel (2023 Update)

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If you’re looking for the best antifreeze for Cummins diesel, there are several factors to consider before making your purchase. First and foremost, it’s important to ensure that the antifreeze you choose is compatible with Cummins engines. Using the wrong type of antifreeze can cause damage to your engine, so it’s crucial to choose a product that is designed specifically for use with Cummins diesel engines.

Another important factor to consider when choosing the best antifreeze for your Cummins diesel is the type of climate you live in. If you live in an area with lower temperatures, you’ll want to choose an antifreeze with a lower freezing point to ensure that your engine stays protected during the winter months. On the other hand, if you live in a warmer climate, you may want to choose an antifreeze with a higher boiling point to prevent your engine from overheating.

When it comes to selecting the best antifreeze for your Cummins diesel, there are several questions you may have. For example, what are the best brands on the market? How do you know which type of antifreeze is best for your specific engine? What are the benefits of using a high-quality antifreeze? By answering these questions and providing valuable information, you can help your readers make an informed decision and choose the best antifreeze for their Cummins diesel engine.

10 Best Antifreeze For Cummins Diesel

# Product Image Product Name Product Notes Check Price
1

This product is ideal for cooling and protecting engines from freezing in extreme temperatures.

2

It is ideal for use as an antifreeze and coolant in vehicles.

3

It is ideal for use in Asian vehicles that require a green silicate and borate-free antifreeze/coolant.

4

It is ideal for use as an antifreeze and coolant in various vehicles, including cars, trucks, and heavy-duty equipment.

5

Ideal antifreeze/coolant for Asian vehicles that require a silicate and borate-free formula; prediluted and ready-to-use.

6

This product is ideal for use as an antifreeze/coolant in North American vehicles.

7

Ideal for heavy duty applications such as diesel engines, construction equipment, and high-performance vehicles.

8

This product is ideal for use as antifreeze/coolant for North American vehicles.

9

This product is ideal for protecting engines from overheating and freezing in a variety of vehicles and equipment.

10

Ideal for use as an antifreeze/coolant in various vehicles and equipment.

This product is ideal for cooling and protecting engines from freezing in extreme temperatures.

It is ideal for use as an antifreeze and coolant in vehicles.

It is ideal for use in Asian vehicles that require a green silicate and borate-free antifreeze/coolant.

It is ideal for use as an antifreeze and coolant in various vehicles, including cars, trucks, and heavy-duty equipment.

Ideal antifreeze/coolant for Asian vehicles that require a silicate and borate-free formula; prediluted and ready-to-use.

This product is ideal for use as an antifreeze/coolant in North American vehicles.

Ideal for heavy duty applications such as diesel engines, construction equipment, and high-performance vehicles.

This product is ideal for use as antifreeze/coolant for North American vehicles.

This product is ideal for protecting engines from overheating and freezing in a variety of vehicles and equipment.

Ideal for use as an antifreeze/coolant in various vehicles and equipment.

1. Peak Final Charge Global Coolant/antifreeze, 50/50, 1 Gallon

The global extended life antifreeze/coolant is a top-quality solution that works seamlessly with heavy-duty diesel, gasoline, and natural gas engine cooling systems. It guarantees total protection for all on-road and off-road heavy-duty engines, ensuring optimal performance and durability. This coolant is specially designed to last the lifetime of the engine, making it a reliable choice for long-term use.

This heavy-duty antifreeze car coolant cooling system solution is formulated with high-quality ingredients that deliver superior performance and maximum protection. With its advanced formula, it ensures that your engine stays cool even in extreme temperatures, preventing overheating and damage to the engine components.

The global extended life antifreeze/coolant is a durable solution that provides long-lasting protection to your engine. It contains anti-corrosion properties that prevent rust and corrosion from damaging the engine, extending the lifespan of your vehicle. Additionally, it is designed to resist scaling and deposits, ensuring that your engine stays clean and free of harmful contaminants.

This antifreeze/coolant solution is the perfect choice for heavy-duty vehicles that require optimal performance and durability. It is easy to use, and its long-lasting formula ensures that you don't have to replace it frequently, saving you time and money in the long run. Overall, the global extended life antifreeze/coolant is a reliable and high-quality solution that guarantees exceptional performance and protection for all heavy-duty engines.

2. Zerex American Vehicle 50/50 Prediluted Ready-To-Use Antifreeze/coolant 1 Ga

This cooling system fluid provides unparalleled protection against freezing and boiling. It surpasses industry standards for both freeze protection and anti-boil performance. Its organic acid technology effectively resists corrosion, scale, and rust, while providing protection for all metals in the cooling system, including aluminum.

In addition to its superior performance, this fluid also contains high-quality additives that protect against leaks. It is completely safe for use with gaskets, hoses, plastics, and the original vehicle finish.

This pre-mixed, ready-to-use formula is orange in color and comes in a 50/50 ratio with deionized water. It is perfect for protecting all modern engine components from winter freezing (down to -34F) and summer boiling (up to 265F).

With these features, this cooling system fluid is an excellent choice for anyone looking to protect their engine from extreme temperatures and prevent corrosion and leaks.

3. Zerex Green Asian Ready-To-Use Antifreeze/coolant.

If you are looking for a reliable and high-performing coolant for your vehicle, look no further than this pre-mixed green formula. This coolant offers unsurpassed freeze protection and anti-boil performance that outperforms industry standards.

One of the standout features of this coolant is its use of phosphate additives to safeguard against corrosion, scale, and rust. This ensures that all cooling system metals, including aluminum, are protected and preserved.

In addition, this coolant is made with high-quality additives that protect against leaks without causing harm to gaskets, hoses, plastics, or the original vehicle finish. This makes it a versatile and dependable option for any car or truck.

The pre-mixed formula is ready to use in a 50/50 ratio with deionized water, which makes it easy to use and saves you time. This formula is designed to protect all modern engine components from winter freezing, with a low temperature protection of -34F, and summer boiling, with a high temperature protection of 265F.

4. Zerex Fully Formulated Pink Heavy Duty 50/50 Ready-To-Use Antifreeze/coolant 1 Ga

This heavy-duty formula is designed to meet the demanding needs of heavy-duty diesel engines, including those found in Cummins, DDC, MACK, Navistar, and Paccar vehicles. It is pre-charged with corrosion, scale, and rust inhibitors to keep radiators, water pumps, and other metal cooling system parts clean and functioning properly.

This formula protects all cooling system metals, including aluminum, and is safe for gaskets, hoses, and the original vehicle finish. It comes as a pre-mixed pink solution that is ready-to-use and has a 50/50 ratio with deionized water.

This product also comes with a 3-year/150,000 mile guarantee, protecting against engine failure caused by freeze-ups or boil-overs. Additionally, it contains 30-50 ppm of denatonium benzoate as a bittering agent to discourage accidental ingestion.

5. Red Zerex Coolant – Asian Vehicle Formula

This antifreeze/coolant is specially formulated to be a direct replacement for the OEM fluid found in Asian make vehicles including Toyota, Lexus, Scion, and others requiring a red, silicate-free HOAT antifreeze/coolant. This product offers a long 5 year/150,000 mile lifespan and features a silicate-free, long-life, phosphate Hybrid Organic Acid Technology chemistry.

The long-life formula provides excellent protection for all cooling system metal components by preventing rust and corrosion. Additionally, the silicate-free, borate-free formula helps to safeguard against harmful scale and deposits. This antifreeze/coolant meets a variety of OEM and industry specifications including JIS K 2234-1994, Hyundai/KIA MS 591-08, Mitsubishi ES-64217, Ford WSS-M97B55-A, ASTM 3306, ASTM D4985, and Federal Specification A-A-870A.

Before purchasing this product, it is essential to check the vehicle specification and ensure compatibility. With its high-quality formula and excellent protection capabilities, this antifreeze/coolant is an excellent choice for those seeking a reliable and long-lasting solution.

6. Peak Oet Extended Life Orange Concentrate Antifreeze/coolant For North American Vehicles, 1 Gal.

The 1 Gallon Engine Antifreeze/Coolant is a highly compatible and effective solution for any vehicle's engine cooling system. This product is fully compatible with other extended life antifreeze/coolants and contains a bittering agent called Denatonium Benzoate.

The advanced formulation of this engine coolant is designed to prevent rust and corrosion, ensuring the protection of all engine cooling system components. It is particularly recommended for use with Ford, Chrysler, and GM vehicles that require an orange organic acid technology formula, making it an ideal choice for North American vehicles.

When installed as part of a complete flush and fill, PEAK guarantees that this coolant will provide service life protection of up to 150,000 miles or 5 years. This guarantee ensures that your vehicle's engine will be protected for an extended period, giving you peace of mind and saving you money in the long run.

This 1 Gallon Engine Antifreeze/Coolant also comes in a concentrated formula, making it ideal for flushing, filling, or topping off your cooling system. It is easy to use and can be added to your vehicle's engine coolant system without any hassle.

7. Zerex Extended Life Red Heavy Duty (Hd) Concentrate Antifreeze/coolant 1 Ga

The Zerex Extender is an exceptional cooling system additive that guarantees optimal performance for an extended period. It is engineered to provide 3 years, 7,000 hours, or 300,000 miles of reliable service on initial fill. This heavy-duty coolant extender is a must-have for any vehicle or machine that requires dependable cooling over an extended period.

To use Zerex Extender, add just one bottle per 50 quarts of system capacity at 300,000 miles, 3 years or 7,000 hours for another equivalent distance/time. For optimal results, it is recommended that the fluid be replaced after one extender cycle, 6 years/600,000 miles or 14,000 hours.

The Zerex Extender meets the performance requirements of ASTM D6210 and Caterpillar EC-1 long-life spec. Additionally, it is Cummins 14603 approved and Terex approved. It also meets the specifications of other manufacturers such as Thermo King, Link Belt, Cummins 3666286, and others. If you have any questions, you can call 1-800-Team Val for clarification.

The Zerex Extender comes with 30-50 ppm of denatonium benzoate, which acts as a bittering agent. This prevents accidental ingestion, making it safe for use in any environment. With the Zerex Extender, you can be sure that your cooling system is well protected, and your vehicle or machine will operate smoothly for an extended period. Get your hands on Zerex Extender and enjoy the assurance of optimal performance over a long period.

8. Peak Oet Extended Life Gold 50/50 Prediluted Antifreeze/coolant For North American Vehicles, 1 Gal.

This 1 gallon engine antifreeze/coolant is a top-of-the-line product designed to protect your engine's cooling system components from rust and corrosion. Its advanced formulation is fully compatible with other extended life antifreeze/coolants, making it a versatile option for those who are looking for a high-quality product that will deliver reliable results.

This antifreeze/coolant is specifically designed for North American vehicles and is recommended for use with Ford and Chrysler vehicles that require Gold hybrid organic acid technology (HOAT) formula. This ensures that your engine is getting the best possible protection and performance, while also minimizing the risk of damage or wear and tear.

One of the key features of this engine antifreeze/coolant is its guaranteed performance. When installed as part of a complete flush and fill, PEAK guarantees that this coolant will provide service life protection of up to 150,000 miles or 5 years. This means that you can trust this product to deliver long-lasting protection and performance for your engine, no matter what kind of driving you do.

Another great feature of this engine antifreeze/coolant is its 50/50 prediluted formula, which makes topping off your cooling system a breeze. You won't have to worry about mixing anything or measuring out specific amounts – simply pour and go! This is a great time-saving feature for those who want to keep their engines running smoothly without spending a lot of time on maintenance.

Finally, it's worth noting that this engine antifreeze/coolant contains a bittering agent called Denatonium Benzoate. This is an important safety feature that helps prevent accidental ingestion, especially in households with children or pets. With this product, you can rest assured that you're getting a high-quality product that is both effective and safe to use.

9. Peak Fleet Charge Sca Precharged Coolant/antifreeze, 50/50, 1 Gallon

The fully formulated supplemental coolant additive (SCA) pre-charged antifreeze is a top-quality product that is designed to provide exceptional performance for all heavy-duty diesel, gasoline, and natural gas engine cooling systems. This antifreeze car coolant is specially formulated to provide optimum protection against freezing and boil over, ensuring your engine runs smoothly in all weather conditions.

One of the key features of this antifreeze is its superior durability. It is designed to last the life of the engine, providing long-lasting protection and ensuring that your engine stays healthy and running smoothly for years to come.

Additionally, this heavy-duty coolant/antifreeze is available as a convenient 50/50 prediluted SCA pre-charged antifreeze, which means there is no need to add water. This makes it easy to use and ensures that you get the right mix of antifreeze and water every time.

10. Genuine Mopar Fluid 68048953ab Antifreeze/coolant – 1 Gallon Bottle , Black

This Genuine OEM Dodge/Mopar factory fit part is a reliable and high-quality replacement part for your vehicle. With a 5-Year/100000 Mile warranty, you can trust that this part is designed to last and provide exceptional performance.

The package dimensions of this part are 16.8 inches in length, 15.9 inches in width, and 5.4 inches in height, ensuring that it will fit perfectly in your vehicle. The fit type is Vehicle Specific, meaning that it is designed to fit a specific make and model of vehicle, ensuring a seamless installation process.

With this Genuine OEM Dodge/Mopar factory fit part, you can be confident that you are getting a product that meets the highest standards of quality and performance. This replacement part is an excellent choice for anyone looking to maintain the integrity and reliability of their vehicle.

Best Antifreeze For Cummins Diesel FAQs

Are there any additives that can be added to antifreeze to improve performance in a Cummins diesel engine?

Yes, there are additives available in the market that can be added to antifreeze to improve performance in a Cummins diesel engine. One such popular additive is a coolant filter that can remove contaminants, debris, and impurities from the antifreeze. This helps to prevent clogs and corrosion in the engine's cooling system, resulting in better performance and longer engine life.

Another type of additive that can be added to antifreeze is a water pump lubricant. This type of additive helps to protect the water pump bearings and seals from wear and tear, thus increasing the pump's lifespan and preventing leaks.

It is important to note that not all additives are suitable for all types of antifreeze, so it is recommended to consult the manufacturer's guidelines before adding any additives to the antifreeze. Additionally, it is important to follow the correct dosage and frequency of use to avoid any adverse effects on the engine's performance.

Can I mix different types of antifreeze in my Cummins diesel engine?

It is not recommended to mix different types of antifreeze in your Cummins diesel engine. Antifreeze is a critical component of your engine's cooling system and is responsible for regulating the engine's temperature, preventing corrosion, and lubricating the water pump. Mixing different types of antifreeze can lead to chemical reactions that can damage your engine's components. It can also cause a loss of coolant, leading to overheating and engine failure.

Each type of antifreeze has its own unique chemical properties, and using the wrong type can cause serious damage to your engine. Additionally, different types of antifreeze have different service lives, so mixing them can shorten the overall lifespan of your coolant.

To ensure the proper functioning of your Cummins diesel engine, it is recommended that you use the manufacturer's recommended antifreeze and follow the recommended maintenance schedule. If you are unsure of which type of antifreeze to use, consult with your mechanic or refer to your vehicle's owner's manual.

Can I use a universal antifreeze in my Cummins diesel engine or is a specialized formula required?

It is recommended to use a specialized antifreeze formula for your Cummins diesel engine rather than a universal one. Cummins engines are designed to operate under specific conditions, and using the wrong type of antifreeze can cause problems or reduce the engine's efficiency.

Cummins engines require an antifreeze with a low-silicate formula that meets the Cummins-approved specifications. These specifications include ASTM D6210, TMC RP 329, and Caterpillar EC-1. The antifreeze must also be free of phosphates, amines, and borates.

Using a specialized antifreeze formula will ensure that your Cummins engine operates at its optimal level and helps prevent corrosion, overheating, and other related issues. It is important to follow the manufacturer's recommended maintenance schedule and use the recommended antifreeze to keep your engine running smoothly.

How often should I change the antifreeze in my Cummins diesel engine?

As a general rule, it is recommended to change the antifreeze in your Cummins diesel engine every 2 years or 24,000 miles, whichever comes first. However, it is important to check your manufacturer's recommendations for your specific engine model as they may vary. Antifreeze, also known as coolant, is responsible for maintaining the temperature of your engine and preventing it from overheating or freezing. Over time, antifreeze can break down and lose its effectiveness, which can lead to engine damage and decreased performance. Therefore, it is crucial to stay on top of regular maintenance tasks such as antifreeze changes to ensure the longevity and reliability of your Cummins diesel engine. It is also important to use the correct type of antifreeze recommended by your manufacturer to avoid any potential issues.

Is it necessary to use a coolant filter with my Cummins diesel engine?

Yes, it is necessary to use a coolant filter with your Cummins diesel engine. A coolant filter is designed to remove contaminants and impurities from the engine's cooling system, which can cause damage to the engine over time. These impurities can include rust, dirt, and other particles that can clog the cooling system and reduce its efficiency.

Using a coolant filter can also help extend the life of the engine's water pump, thermostat, and other components by reducing wear caused by contaminants. Additionally, it can help prevent the formation of scale and other deposits that can cause blockages in the cooling system.

It is important to choose a high-quality coolant filter that is specifically designed for your Cummins diesel engine and to follow the manufacturer's recommended maintenance schedule for replacing the filter. Failure to use a coolant filter or to replace it regularly can result in costly repairs and reduced engine performance.

Is there a specific brand of antifreeze recommended for Cummins engines?

Yes, Cummins recommends the use of Fleetguard ES Compleat OAT (Organic Acid Technology) coolant for their engines. This coolant is designed to provide superior corrosion protection, extended service intervals, and compatibility with both aluminum and copper engine components. It also meets the specifications of the TMC RP329 and ASTM D6210 standards, which are commonly used in the heavy-duty trucking industry.

However, it's important to note that not all Cummins engines are the same, and some may have specific coolant requirements based on their year, model, and application. It's always best to consult the owner's manual or contact a certified Cummins dealer or service center to ensure that you are using the correct antifreeze for your engine.

Using the wrong type of coolant or mixing incompatible coolants can lead to engine damage, so it's important to follow the manufacturer's recommendations and use only high-quality, approved products.

What are the benefits of using a high-quality antifreeze in my Cummins engine?

Using a high-quality antifreeze in your Cummins engine can provide several benefits. First and foremost, it helps to prevent freezing and overheating of the engine, particularly in extreme temperatures. This can help to extend the life of your engine and prevent costly repairs. High-quality antifreeze also contains additives that can help to prevent corrosion and rust in the engine, which can also lead to costly repairs over time.

In addition, using a high-quality antifreeze can improve the overall performance of your engine. It can help to maintain optimal engine temperature, which can improve fuel efficiency and overall power output. This can result in a smoother, more reliable driving experience.

It's important to note that not all antifreeze is created equal. Choosing a high-quality, reputable brand can make a significant difference in the performance and longevity of your engine. It's also important to follow manufacturer recommendations for the type and frequency of antifreeze replacement to ensure optimal performance and protection.

What happens if I use the wrong type of antifreeze in my Cummins diesel engine?

Using the wrong type of antifreeze in your Cummins diesel engine can cause several issues and lead to costly repairs. Cummins engines are designed to operate with a specific type of antifreeze that meets their requirements for corrosion protection, heat transfer, and lubrication. If you use the wrong type of antifreeze, you may experience a decrease in engine performance, reduced fuel efficiency, and increased wear and tear on engine components.

Moreover, if the antifreeze does not have the correct additives, it can lead to corrosion or scaling inside the engine, which can damage the engine block, radiator, and other parts of the cooling system. In the worst-case scenario, using the wrong antifreeze can cause the engine to overheat and fail completely. Therefore, it's important to always use the recommended antifreeze type and change it regularly according to the manufacturer's guidelines to ensure the longevity and optimal performance of your Cummins diesel engine.

What is the best antifreeze for a Cummins diesel engine?

When it comes to choosing the best antifreeze for a Cummins diesel engine, there are several factors to consider. The first and most important thing is to ensure that the antifreeze you choose is compatible with the engine and meets the manufacturer's specifications. Cummins recommends using a fully-formulated coolant that meets the Cummins Engineering Standard (CES) 14603. This standard ensures that the coolant provides excellent protection against corrosion, cavitation, and scale buildup, which are all common issues in diesel engines.

There are several brands of antifreeze that meet the CES 14603 standard, including Fleetguard, Zerex, and Prestone. It is important to note that some Cummins engines may require a different type of antifreeze, so it is always best to consult the owner's manual or a Cummins dealer to ensure that you are using the correct coolant.

Overall, it is recommended to choose a high-quality antifreeze that meets the manufacturer's specifications and provides excellent protection against corrosion, cavitation, and scale buildup to ensure the longevity and reliability of your Cummins diesel engine.

What type of antifreeze is compatible with Cummins diesel engines?

Cummins diesel engines are compatible with a range of antifreeze types, but the most commonly recommended antifreeze for these engines is Ethylene Glycol-based antifreeze. This type of antifreeze provides excellent protection against corrosion and overheating, and it is readily available at most auto parts stores.

However, it is important to note that not all Ethylene Glycol-based antifreeze products are created equal. Some may contain additives that can damage engine components, so it is always best to use a manufacturer-recommended antifreeze product or to consult with a certified Cummins dealer or technician to ensure that you are using the right antifreeze for your engine model.

In addition, it is crucial to regularly monitor and maintain the antifreeze levels in your Cummins diesel engine to prevent overheating and corrosion, which can lead to engine damage and costly repairs.

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