Antifreeze is a vital component of any vehicle's cooling system. It helps to regulate the temperature of the engine and prevent it from freezing over, which can lead to serious damage to the engine.
Diesel engines such as Cummins diesel are especially sensitive to overheating, which is why it is important that the antifreeze used meets certain standards.
Product | Name | Editor's Rating | Check Prices |
---|---|---|---|
Zerex ZXG051 G05 Phosphate Free Antifreeze/Coolant | 5 out of 5 | ||
ISO-HEET Water Remover And Premium Fuel Line Antifreeze | 5 out of 5 | ||
Genuine Ford Fluid VC-7-B | 4.5 out of 5 | ||
Zerex Extended Life Heavy Duty | 4.5 out of 5 | ||
Triax All Fleet ELC Coolant | 4 out of 5 |
In this article, we will discuss the best antifreeze for Cummins diesel engines on the market.
Our Top 5 Antifreeze for Cummins Diesel
There are many different types of antifreeze for Cummins diesel. The type that is best for your engine depends on the age, make, and model.
We put together this curated list of the best antifreeze for Cummins diesel engines that can help you make an educated decision.
1. Zerex ZXG051 G05 Phosphate Free Antifreeze/Coolant
To meet the needs of modern truck owners, the Zerex company designed this ultimate antifreeze for diesel vehicles.
This product protects all parts of the engine in both summer and winter. If you own a Cummins Diesel engine, this makes an ideal choice for you.
This cummins antifreeze for diesel engine is compatible with other premium brands, so there is no need to worry about the compatibility of the engine. It is an ethylene glycol-based fluid suitable for both gasoline and diesel motors.
ZEREX G-05, a nitrite-containing coolant with corrosion protection, is designed to protect the liners of diesel engine cylinder liners against cavitation. It also contains scale and deposit control additives to protect against hard water deposits.
The European technology, which is lower in silicate and phosphate, protects all cooling systems metals, including aluminum components, from corrosion.
It can also be mixed with premium brands of coolant so that you can get it in a mix of 50% to 70%. Zerex G05 is a high-quality defoamer that does not damage plastics, hoses or vehicle finishes. It provides driver safety.
Test data from ASTM reflect the high-performance anti-corrosion package. ZEREX G-05 can be diluted with 50% water to protect modern engine components against winter freezing and summer boil-over.
The Valvoline ZEREX diesel coolant fluid is a fully formulated, ethylene-glycol-based fluid that can be used for passenger cars, light trucks, and heavy-duty vehicles.
Highlighted Features:
- Ethanol-free, so it's safe for both gasoline and diesel motors.
- It can be mixed with premium brands of coolant so that you can get it in a mix of 50% to 70%.
- Non-corrosive and non-staining defoamer that does not damage plastics, hoses or vehicle finishes.
- High-performance anti-corrosion package that offers driver safety.
- Patented formulation with protection against corrosion and cavitation.
2. ISO-HEET Water Remover And Premium Fuel Line Antifreeze
Gold Eagle ISO-HEET premium gas-line Cummins antifreeze for diesel engine absorbs up to five times more water than regular gas dryers. It can be used all year round in diesel and 2/3 cycle gas vehicles.
Quality control measures have not allowed for the use of hazardous ingredients, so your children can enjoy this product without concern.
This Cummins diesel coolant can also be used for filling up below freezing temperatures or when you need to absorb water from diesel fuel or gas. This preventative measure will ensure your engine runs smoothly.
This cummins antifreeze coolant is easy to pour in a 12-ounce container. It is one of the best antifreeze for Cummins diesel for its unique quality.
Diesel truck antifreeze capsules should be twisted off the punctured seal before or after filling the tank with fuel, pour the entire contents into the tank. This bottle can hold 20 gallons of fuel.
To clean the injectors of this best auto coolant, use them with every winter fill-up and every 5,000 miles in summer. In warm, humid weather, it will remove water and condensation.
Gold Eagle 28202/HA55360 12oz Iso Heet Fuel System dryer and Anti-Freeze dryer removes water from gasoline and diesel fuels. This Cummins coolant provides quicker starting, prevents stalling Keeps fuel systems clean.
This product is suitable for small vehicles, motorbikes, snowmobiles and Diesel fuelled vehicles.
Highlighted Features:
- Iso Heet eliminates the need to use more natural gas or diesel fuel to avoid corrosion or rust that can happen in cold weather.
- Quality controls have not allowed the use of hazardous ingredients, so you can feel safe giving this product to your children.
- Comes in a 12 oz container with a twist-off cap to pierce the seal.
- Removes water and condensation in warm, wet weather.
3. Genuine Ford Fluid VC-7-B
This Motorcraft Coolant is an ethylene glycol-based solution for your vehicle's need for coolant. Using a diluted correct Cummins coolant is mandatory when using Motorcraft instead of non-approved coolants in your Cummins Diesel.
This year-round coolant for diesel engine provides both anti-freeze and anti-boil protection, complying with Ford engineers' strict specifications. It is only recommended by Ford Motor Company, and non-approved coolants may result in warranty-voiding repairs on their vehicles.
The use of a diluted correct coolant is mandatory when using Motorcraft instead of non-approved coolants in your Cummins Diesel. The recommended parts by Ford Motor Company in their guide to maintenance and installation procedures in order to maintain the warranty on this extended life coolant.
The concentrated formula of the best diesel coolant additive reduces mixing time and makes mixing easier with distilled water in the correct ratio, ensuring premium corrosion protection for engine components such as the radiator, pump, etc.
With a distilled water 50/50 ratio it provides you with both anti-freeze protection at -34°F (-37°C), which will also protect from boiling rupture due to overheating problems at 265°F (129°C).
Only use this product when the WSS-M97B51-A1 is recommended for your vehicle, and make sure to replace it at 36 months or 36,000 miles under normal conditions.
If you mix engine coolant with others, you may damage your radiator and void your warranty. Make sure to use the right product. So, prepare yourself or your car with the best quality Motorcraft Antifreeze 50/50 mix!
Highlighted Features:
- One of the best radiants for your car's radiator and engine
- Mixing is easy and reduces the time that it would normally take to mix your own coolant.
- Coolant is virgin ethylene glycol-based and complies with Ford engineers' specifications, making it a good product for both cooling and long-term protection.
- Compatible with any extended life coolant (Ford, Lincoln, Mercury).
- The mixing ratio is 1:1 (Coolant: distilled water) for best results.
4. Zerex Extended Life Heavy Duty
Extended Life Coolant ZEREX(TM) uses the best quality virgin ethylene glycol to prevent freezing and boil over in heavy-duty engines.
It is a specially formulated anti-corrosion agent that protects cylinder liners against cavitation and liner pitting and your engine from rust. The liquid comprises 30–50 ppm of denatonium benzoate as a bittering agent.
It is a poly quarter alcohol-type coolant. This means that it has a low evaporation rate in operating at boiling point conditions. Additionally, they charge the fluid with the anticyclone protection for hard water scales for longer service life.
This product is best used in areas where temperatures below freezing are not possible. However, it can be stored at room temperature for up to three years after initial fill.
Extended life coolant, ZEREX(TM), has special inhibitors that protect diesel motors against liner pitting and hard water scale deposits. This extends engine service life.
One bottle of Zerex Extender for every 50 quarts system capacity at 300,000. Miles, three years or 7,000 hours is enough. After 6 years/600,000. miles, or 14,000 hours, replace the fluid.
It also meets the performance standards of ASTM D6210, Caterpillar EC-1 Long-Life.
Highlighted Features:
- This product contains the best quality virgin ethylene glycol to provide freeze and boil-over protection.
- It is a poly quarter alcohol-type antifreeze.
- It has a low evaporation rate when operating at boiling point conditions.
- Special inhibitors protect diesel systems against liner pitting and hard water scale deposits, providing extended service life.
- You can travel up to 600,000 miles and 6 years without having to change your antifreeze.
5. Triax All Fleet ELC Coolant
Triax is here to provide you with on-road and off-road drivers with the best possible solution for all your truck engine cooling system needs.
TRIAX FLEET ELF contains the most advanced HOAT (Hybrid Organic Acid Technology) with advanced inhibitors combined with Filgran Moly Filtrate that provides the best protection for your wet sleeve and cylinder liners.
In addition, this formulated antifreeze exceeds Caterpillar OEM requirements for CAT EC1 Cooling fluids by providing excellent corrosion protection along with coolant properties which will help prevent sludge from forming within the radiator core.
This combination of features can be a real service life enhancer when it comes time to maintain or replace your radiator fuel with this extended life coolant.
TRIAX FLEET ELF is formulated with a high additive concentration, including corrosion inhibitors and de-scaling detergents, so this antifreeze can be used with tap water.
This also prevents deposits from forming that may lead to corrosion. All these qualities make the Triax fleet one of the best antifreeze for Cummins diesel engines.
This product will NOT need to be infused with Supplemental Coolant Additives (SCA). In addition, this antifreeze can perform as long as its highest drain cycle. Add additives or chemically charged filters if necessary.
There are no amines, borates, or silicates in this product, which will offer outstanding durability across a wide range of fleet applications, such as in diesel, and natural gas engines.
Exceeds the Caterpillar OEM requirements for CAT EC-1 coolants. Protects your equipment and cooling systems above and beyond what is necessary.
Highlighted Features:
- This is a full synthetic antifreeze that stretches the drain intervals in heavy-duty and mixed fleet applications.
- It contains chemistry from the latest generation of OAT along with Filgran Moly Filtrate for exceptional cylinder liner and wet sleeve protection.
- This product is formulated with a high additive concentration so that it can be used with tap water.
- It will prevent sludge from building up in your radiator core.
- Your driving performance will be uninterrupted for years to come.
Factors to Consider
Many factors are necessary to determine the qualifying engine coolant before you make your purchase.
Corrosion Inhibitors
The corrosion inhibitors are differently formulated from different regions due to the weather and climate. When applied to Asian antifreeze, it has no anticorrosive properties of silicates.
European vehicles use a mix of silicate and carboxylate as anti-corrosive agents though these avoid Phosphate. So take this matter before purchasing your engine coolant before buying the car coolant in Asia and especially in Europe.
Coolant Type
There are different types of engine coolants, and they are usually described in your engine manual.
The JASO (Japanese automotive standard organisation) has defined five different engine coolant categories based on the type of formulation.
As a general rule of thumb, if your vehicle is manufactured in Japan or Korea, use the JASO 1 or 2-grade best engine coolant type.
Anti-gel Formula
Use a lower temperature rated anti-gel formula antifreeze if your climate often gets below freezing. Since this type of antifreeze is specially formulated to remain liquid at colder temperatures, it prevents the water in your engine from freezing.
Water
Some coolants have to be diluted with water though a few are pre-mixed. Some on the other hand are not to be mixed with water. These are mostly the silver-coloured pre-mixed ones that should only be used undiluted. If you have to mix with water, then do it in the ratio of 50/50.
Temperature Range
The optimum temperature range for an engine is between about 0°F and 50°F (about -18°C and 10°C). In addition, some types of antifreeze are specially formulated for cold weather operations that will protect against freezing.
Other types of antifreeze must be heated before use in order to achieve adequate corrosion protection performance under cold weather conditions.
FAQ:
1. Do Diesel Engines Require Special Antifreeze?
Diesel automobiles do not require "special" antifreeze. A diesel engine, like any modern engine, needs an antifreeze that is formulated for a particular type of engine.
The best antifreeze for your diesel engine depends on the manufacturer of your engine.
2. How Do I Know If My Diesel Engine Coolant Needs Replacing?
The warning signs of needing replacing coolant immediately are the comparatively higher temperature readings in the gauge reader while the engine alights.
A grinding noise from the car can also be a sign that the coolant needs replacing rapidly.
3. What is the Capacity of the 12 Valve Cummins Engines for Antifreeze?
The capacity of the 12 Valve Cummins for Antifreeze is specified to be around 6 gallons.
4. What is Hybrid OAT Coolant?
Hybrid organic acid technology coolant is the blend of regular antifreeze with Organic acid based chemistry. The OAT coolants prevent the accumulation of minerals and contaminants that are not biodegradable, remaining in suspension or at the bottom of the radiator.
5. Are Coolant and Antifreeze the Same Thing?
Yes, coolant and antifreeze are the same things. They both do the same job: protect your engine from freezing and boiling over, and corrosion.
Besides cooling and anti-freezing, both liquid products help clean and lubricate engine parts like pistons and valves.
6. What Colour Antifreeze for Dodge Cummins?
You have to choose Green Colour antifreeze for Dodge Cummins.
Conclusion
The best antifreeze for a Cummins diesel engine should be able to withstand the extreme temperatures that are common in cold climates. It should also provide protection from rust and corrosion, as this is an issue with diesel engines.
The right kind of antifreeze will protect your car's engine against damage caused by freezing or overheating, which can lead to costly repairs down the line if not addressed quickly enough!
I hope this article was helpful in choosing the best antifreeze for Cummins diesel engines.
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