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Suffering from NOx emissions and looking for the best DEF fluid for Cummins/ Duramax or for Powerstroke? Then you’ve come to the right place. From this article, you will learn
- 9 best DEF fluid review
- Advantage of DEF fluid
- Buying guide and more!
If you don’t have much time, let’s look out this comparison chart to choose the best Def based on key features
|1. Blue Def DEF002-2PK Diesel Exhaust Fluid||● Have to use approximately every 300 miles.
● Reduce the levels of NOx emissions.
● Helps convert NOx into nitrogen gas and water vapor.
● Meets ISO Standards 22241.
|2. Prestone HD1001-2PK Command Diesel Exhaust Fluid||● Work with all SCR-equipped diesel engines.
● Safe to use.
● Meet all API & ISO 22241 requirements.
|3. Valvoline 729566-2PK Premium Blue Diesel Exhaust Fluid||● Suitable for all on and off-highway SCR systems.
● Meets ISO 22241 specification.
● Change the NOx emissions into nitrogen and water.
● Environment friendly.
|4. ACDelco 10-4022 Diesel Exhaust Fluid||● High-quality formula.
● Made from high purity urea and deionized water.
● Don’t have any chemical additives.
● Includes vented nozzle.
|5. Genuine Ford Fluid PM-27-JUG Diesel Exhaust Fluid||● Reduces NOx emissions in diesel vehicles.
● Includes especially designed nozzle.
● Suitable for heavy-duty trucks, pickups, SUVs, and vans.
● Destroy harmful emissions.
Best Def Fluid For Cummins, Duramax And Powerstroke
1. Blue Def 2PK Diesel Exhaust Fluid
This Blue Def DEF002-2PK Diesel Exhaust Fluid is the best fluid for Cummins, Duramax, and Powerstroke in the market. The manufacturer greatly maintains the balance between 32.5 percent ultra-pure automotive-grade urea and 67.5 percent purified water to offer you an ideal SCR process.
Besides, it helps convert NOx into water vapor and nitrogen gas to increase power and better fuel mileage. This colorless and odorless fluid greatly meets ISO standards 22241 to assure you of quality and performance. At the same time, it doesn’t any chemical additives or other components to prevent SCR system failure.
Most importantly the manufacturer offers a complimentary nozzle with this DEF fluid to ensure only DEF is put into the tank. With its vented nozzle you can easily make pouring by preventing glugging. Furthermore, using it in an SCR system will help reduce the levels of NOx emissions.
2. Prestone HD1001-2PK Command Diesel Exhaust Fluid
This Prestone HD1001-2PK Command Diesel Exhaust Fluid is formulated to work with all SCR-equipped diesel engines. Besides, it will be compatible with AdBlue and other DEF products. With 32.5% automotive grade urea and a nontoxic solution of 67.5% water, this DFE fluid is easy to handle and safer to use.
Maintaining all API & ISO 22241 requirements, it becomes one of the maintaining SCR-equipped modern diesel engines. The best part of this fluid is it helps increase fuel efficiency. Like the previous one, this DEF is also colorless and odorless. Besides it’s an extremely stable fluid that will last long on Duramax, Cummins, or Powerstroke engine whether you use it.
The producer formulated this fluid in such an amazing way that won’t cause spillage and pouring inside the exhaust. Even considering the price you will find this Prestone HD1001-2PK Command Diesel Exhaust Fluid at an affordable price.
3. Valvoline 729566-2PK Premium Blue Diesel Exhaust Fluid
Looking for a Premium Diesel Exhaust Fluid that is compatible with all on and off-highway SCR systems? Then try this Valvoline 729566-2PK Premium Blue Diesel Exhaust Fluid. The key feature of this DEF fluid is it can effectively reduce the NOx emission near zero.
Besides, it’s a nature-friendly fluid that is approved by the government authorities. It’s a non-toxic fluid that is extremely stable and won’t cause anything harmful. Thus you can easily and confidently use this DEF fluid without being worried.
On the other hand, if you are an owner of a street or off-street vehicle SCR system, still you can try this option. But this item is highly recommended for pickups, heavy trucks, and SUVs engines to have better performance. These fluids for Cummins come in a protective package so you can store them for a long. Finally, it is available at a relatively cheaper price.
4. ACDelco 10-4022 Diesel Exhaust Fluid
Are you Tight on budget and still looking for something professional grade? Then this ACDelco 10-4022 Diesel Exhaust fluid will be the suitable option for you. It comes in a 1 gal pack that is available at an unbeatable price. The best part of this fluid is it can significantly increase the efficiency of the engine.
At the same time, maintaining a great formula this best DEF fluid for Duramax help reduce the NOx emission to a great amount. It’s a stable fluid that is specially developed for use in Duramax engines. However, you can still use it for the other diesel engine including GMC Savannah vans and Chevrolet express.
Following a high-quality formula, the manufacturer designed this DEF fluid with a great combination of deionized water and high purity urea. As it doesn’t have any chemical additives, the DEF fluid won’t cause SCR system failure. Most importantly after filling this fluid into the engine, you will need to wait up to 1000 miles to refill once again.
5. Genuine Ford Fluid PM-27-JUG Diesel Exhaust Fluid
Do you have a ford vehicle and looking for a diesel exhaust fluid that is compatible with this vehicle to reduce NOx emissions? Look no further than this Genuine Ford Fluid PM-27-JUG Diesel Exhaust Fluid. It’s one of the most popular car brands in the world that has reputation for providing top-class car accessories as well.
As a beginner if you want to go for a reputed brand with an offer of ISO 22241 and DIN70071 certified DEF fluid, it will be an acceptable option to consider. To allow you to feed the fluid easily, the manufacturer offers a nozzle with the fluid. It will perfectly fit with the filler opening of the Ford vehicles and allow you to complete the operation comfortably and successfully.
At the same time, the stability of the nozzle will help prevent overfilling which will feel you satisfied. Lastly, this best DEF fluid for Powerstroke especially meets the EPA’s newest firm environmental standards to ensure nature-friendly performance.
6. Genuine Audi G052910A2 Diesel Exhaust Fluid
Next, we have Genuine Audi Diesel Exhaust Fluid that is a non-toxic and safe option. It’s a highly compatible option for VW, Audi, and other vehicles that include a specific fitting on the DEF tank.
One of the attractive features of this diesel exhausts fluid it comes in a user-friendly bottle. The design of the bottle will greatly allow the car owner to apply the fluid so much easier that it won’t need any funnel.
However, it is available at a low price but the feature also helps save some bulks. Apart from these, the fluid is formulated from de-ionized water and urea that is highly pure and safe to use.
Even if you have a BMW 325d or 2015 Passat TDI you can safely use this item. The best DEF fluid for Cummins will help you reduce catalysts and offer better performance and mileage.
7. AD Blue Diesel Emissions Fluid
Looking for the best DEF fluid for Cummins that lasts for long? Then try this AD Blue Diesel Emissions Fluid as it won’t disappoint you. Especially this DEF fluid will last approximately 1,500 miles while offering satisfying performance.
Besides, it’s a non-toxic fluid that doesn’t do anything harmful to the human body or animals. Thus it will be a safe addition to use in the BMW, Audi, VW, Mazda, and other compatible diesel engine cars without causing any damage to the environment. With an improved formula of de-ionized water and urea, this DEF fluid will be a highly pure option to boost the SCR process.
However it is available in a bit pricy compared with the quantity, this DEF fluid has to apply approximately every 10,000 miles. As a result, you will have to hardly think of reusing this AD Blue Diesel Emissions Fluid. As it is available with the four-bottle package, so it will be easy for you to store and pour this DEF fluid.
8. Air1 Diesel Exhaust Fluid For Cummins/ Duramax
This Air1 Diesel Exhaust Fluid is the high purity solution of urea in water. Besides, it has done a great job of chemically reducing NOx emissions from cars and trucks that are powered by diesel engines. Most importantly it is certified by API.
Thus you will have a guarantee this DEF will be protected from impurities and it won’t do anything harmful to the vehicle. If you want to try something reliable, still you will find this DEF as an acceptable option. Finally, this Air1 Diesel Exhaust Fluid is available at an affordable price.
9. LAND ROVER Fluid Diesel Exhaust
The last option we have a LAND ROVER Fluid Diesel Exhaust that is especially compatible with Discovery, and Range Rover vehicles. With 1 year of warranty, the manufacturer promises its durability and lasting service. The best part of this DEF fluid for Cummins is it has well design container.
Thus you won’t face any hassle applying this DEF fluid onto your cars. This DEF fluid is available at a decent price that has no chemical additive. Moreover, it’s a highly pure addition that will offer you a satisfying service.
What is The Best Diesel Exhaust Fluid?
Diesel is the common word among car owners and most vehicle needs it. But the drawback of this liquid is it generates a huge amount of unpleasant particulate matter. And this is where the DEF does its job. DEF stands for Diesel Exhaust Fluid. It’s not a fuel; it’s a fluid that helps reduce the black particulate matter.
Besides, it’s a non-toxic solution formulated with deionized water (67.5%) and urea (32.5%). You can take it as a degreaser for the Diesel operated vehicle. DEF needs to fill inside the vehicle rather than the way people pour diesel in the tank. This fluid is poured through a separated exhaust stream and helps convert hazardous Nox emissions into nitrogen and water.
Since DEF doesn’t come in contact with other oil of the car, so there is nothing to worry about the performance of the car. It will help maintain a healthy engine while improving the SCR system.
What is SCR?
SCR stands for Selective Catalytic Reduction. It’s an effective technology that was discovered after 2010 to reduce the vehicle’s dangerous emissions come from diesel.
To reduce the hazardous dark emissions SCR greatly assists DEF. without SCF, the DEF cant make the process complete.
SCF constantly feeds ammonia gas to reduce emissions. In this case, you may ask which is the source of ammonia gas? DEF contains Urea that provides the SCR with ammonia gas. In this way, the emissions are broken down into nitrogen oxides and water. At the same time, SCR technology increases the torque and the stability of the vehicles.
Cost of Using Poor DEF
The DEF that doesn’t maintain the ISO standard can damage both a diesel engine and the SCR operation. You may notice the diesel failures in a few days, weeks, or months. Whatever DEF brand you choose should have pharmaceutical-grade urea. Besides, the DEF without deionized water can cause SCR failures.
How to choose the best DEF fluid for Duramax, Cummins and Powerstroke
While a large amount of diesel exhaust fluid is available out there, people can get confused about choosing the right one. However, keeping some crucial factors in mind can help you deal with this problem easily. These aspects will help you find the right diesel exhaust fluid from the rest. So let’s have a look!
Luckily you won’t have to invest much to buy Diesel exhaust fluids as you will find within 8 to 10 bucks. But surprisingly there is some car owner who searches for the cheapest option. In terms of saving a few bucks can damage the whole engine.
Besides impure diesel fluids can cause the whole thing. So the best idea is to consider a budget within 8 to 10 dollars.
Since the engine of the vehicle is a vital part of the vehicle so you shouldn’t compromise the quality for saving a few amounts. When it comes to the overall health of the vehicle, it shouldn’t be stingy. Moreover, the right Diesel exhaust fluids will provide you with a satisfactory experience.
Different Diesel exhaust fluids brands made their product with different components and all of these aren’t equally effective. While searching for a DEF, check two types of components. One is 67.5% concentrated deionized water and the other is 32.5% concentrated high purity automotive-grade urea.
Both of them are highly pure and completely safe to use for the vehicle engine. Apart from these two, you may find several components from those you should keep away from.
If you are a beginner you will find these tips easiest. Following the method will help you choose the proper DEF and prevent damage to the engine as it is an effective idea.
Once go to the store, all you have to do is check the license of the DEF. Among numerous options you will find some brands that offer licensed DEF. it means the product is gone through tests and approved by the standard checker. Before choosing the DEF check the following licensing,
- International Organization for Standardization – ISO 22241
- Environmental Protection Agency – EPA
- Aqueous Urea Solution Standard – AUS 32
- American Petroleum Institute – API.
Check any of this standardization; after finding one, choose the DEF without any doubt. Even if you find a DEF that is approved by ISO 22241 it will be the best option to buy.
The Container Age
The age of the container is another crucial thing to check as it plays a big role. All the brands offer DEF cans with possible information that you should look at. You will find a set of numbers on the can that suggest a batch number providing the manufacturing date and expiration date.
Reading the code may find some people a bit tricky. Let me help, the initial number of the set should be the batch number, and the following six-digit should be the manufacturing.
Getting compatible accessories is ensuring the best result for the vehicle. The same thing goes with DEF. So before going out or ordering a DEF online, check the vehicle manufacturer’s manual. You may find something special recommendation. It will not only assured the best performance but prevent damaging the SCR system.
However, it’s not fully true but going for the reputed brand can keep you from a frustrating situation. Most of the reputed brands maintain the standard quality as they care about the reputation and promise high performance.
Besides, it will provide you with additional confidence. A reputed brand with ISO 22241 certification will be the ideal option to choose if you don’t have enough time to take all those features into count.
Advantage of using Diesel Exhaust Fluid (DEF)
You may hear people talk about the disadvantage of DEF, but considering its crucial advantage you will find it worthy of investment. The best thing is, DEF will help protect the environment from harmful emissions. Let’s have a look at some other main advantage that DEF offer:
- DEF is a non toxic fluide. So if you compare it with other vehicle fluids you will find the DEF fluid less hazardous. Moreover, there are lots of DEF fluid brads available that made DEF from naturally occurring components that are eco-friendly.
- It won’t freeze, so the people who live in the North can easily use it without any doubt.
- DEF fluid won’t vaporize easily
- Offer increased power and Better fuel mileage
- Provide Better performance
- Comes to maintain proper regulations- ISO, EPA and API certified
- Reducing maintenance, wear, and tear help maintain the healthy engine
- Highly reliable and safer to use
- Don’t need to worry about evaporation
- Prevent air pollution and Nox emissions
Apart from these a DEF fluid plays a great role to reduce emission gasses as these are dangerous substances. As a result, it causes acid rain and increases greenhouse gasses, and leads to smog and worsened global warming.
Some Maintenance Tips for Diesel Exhaust Fluid
Let’s discuss some maintenance tips so you can get the most out of the DEF
- Use the best DEF into your vehicle
- Only use the dedicated dispensing kit
- Keep it away from direct sunlight
- Don’t keep the container open for long
- Store it in the place where the temperature is less than 68 degrees Fahrenheit
- If spillage occurs then wash it off with water
- Try to avoid stain when filling
- Don’t mix the DEF with diesel or water
- Use a package when to use or store it
- Don’t make it overfill
- Don’t buy a container that is more than 2 years old
Are All DEF Fluid Brands The Same?
All DEF Fluid Brands don’t follow the same technology or same components to make their fluids. However, they had to maintain the ISO standard. Besides, it should have a urea concentration of 32.5%. It’s an important proportion as it controls the lowest freezing point.
Which Is The Best Diesel Exhaust Fluid For Duramax?
ACDelco 10-4022 Diesel Exhaust fluid will be the right option to use for Duramax. It is specially formulated for the duramax engine to reduce the NOx emission to a great amount.
Does It Matter What Brand Of DEF Fluid I Use?
There is no magic behind the brand. It means you can choose any diesel exhaust fluid brands; just ensure that it will work fine in your vehicle. The brands that main the ISO standard and offer licensed DEF fluid is the better option to choose. Otherwise, brands can’t impact fuel mileage, power, or overall performance.
Is Diesel The Same As Diesel Exhaust Fluid?
Diesel Exhaust Fluid is different from Diesel Fuel. Diesel Exhaust Fluid is the second most-consumed fluid on the vehicle after diesel. However, most vehicle owners get confused as both product are similar in their pricing, delivery, and handling.
Whatever your requirements are the best DEF fluid for Cummins, Duramax and Powerstroke now you have plenty of top class options. We made the list based on several factors that should have in the best DEF fluid. Thus each of the products we mention above will be a pretty good option to choose.
However, the first and foremost thing is to check the compatibility with the specific vehicle and then you are free to pick the most preferred one. out top pick is Blue Def DEF002-2PK Diesel Exhaust Fluid.