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DEF Fluid Delivery

DEF Fluid Delivery Truck

About DEF Fluid Before Delivery

Diesel Emission Fluid is used in diesel-powered vehicles to reduce harmful emissions. Specifically, it is used in vehicles equipped with Selective Catalytic Reduction (SCR) systems. The overall purpose of DEF fluid is to reduce nitrogen oxide (NOx) emissions, which are a major pollutant produced by diesel engines and a key contributor to smog and acid rain. How diesel emission fluid works is that it is injected into the exhaust stream, where it reacts with NOx gases in the SCR system. The chemical reaction converts NOx into harmless nitrogen (N₂) and water vapor (H₂O). Thus creating an eco-friendlier efficiency.

Importance with Diesel Vehicles

The use of diesel emission fluid makes using a diesel-run vehicle safer and cleaner for the environment. This is most notably due to Selective Catalytic Reduction (SRC) technology. This uses a catalyst system to break down dangerous NOx emissions by diesel engines into nitrogen and water. Diesel emission fluid and the Selective Catalytic Reduction work hand-in-hand to provide its user with an eco-friendly option. Our DEF fluid delivery is a quick and simple way for you to get the fluid that you need.

And in general, the use of diesel emission fluid and diesel fuel for commercial vehicles is important. Commercial vehicles typically do a lot of driving, so they need good gas mileage. When you opt for diesel fuel, you can expect to see a 25% to 30% increase in fuel efficiency for your commercial vehicle when compared against similar types of gasoline engines. Diesel fuel is simply one of the most efficient and energy dense fuels available. Why is that? Well, it contains more usable energy than gasoline, which allows for the better overall fuel economy. So you can save a good chunk of money when you opt for diesel emission fluid for your commercial vehicles.

How Our DEF Fluid Delivery Works

We know that everyone has a lot on their plate, so when it comes to the delivery of DEF fluid we want to make it as simple and easy as possible. There are always things you need to do, so keeping track of required fuel may not be as high on the list. You have two options when it comes to the delivery of DEF fluid. One is automatic and the other is stop-and-go.

Our automatic DEF fluid delivery makes handling refills simple and easy. You do not have to worry about scheduling new deliveries, because our staff will get the job done. We will be there with the delivery before you run out! Our staff stays on top of all your fueling needs to make sure you never get too low.

However, you may not need automatic delivery for DEF fluid. Perhaps you simply want to call when you need it. That is of course perfectly fine. But no matter what method you choose, our deliveries will be prompt and on-time. Get the best oil delivery services in New Jersey when you turn to Cavalieri Fuel!

Contact Us for DEF Fluid Delivery Information

Cavalieri Fuel Services has years of experience providing customers in Bergen and Passaic Counties in New Jersey with different fuel options. We provide fuel for both commercial and residential customers. On top of our fuel delivery services, we also sell DEF fluid. Our DEF fluid delivery services are available six days a week for your convenience and around a schedule that best suits your life. Automatic deliveries are possible.

For more information about our diesel emission fluid delivery services, please reach out to us today. We will gladly answer any questions you may have about DEF fluid, or about any other fueling questions you may have at the moment. We can provide you with a free estimate for our DEF fluid delivery. Order DEF fluid delivery today.

Order Now

On top of the diesel fueling options, we also offer our customers diesel emission fluid, which can be delivered to the premises. Just get in touch with us to discuss the details. And to make the buying process as simple as can be, we have an online ordering system set up.

DEF Fluid Delivery – Frequently Asked Questions (FAQs)

Here are some key questions regarding DEF fluid delivery.

What is DEF and why is it important?

DEF (Diesel Exhaust Fluid) is a non-toxic mixture of 32.5% urea and 67.5% deionized water. It's essential for reducing harmful nitrogen oxide (NOx) emissions in diesel engines using Selective Catalytic Reduction (SCR) technology. DEF helps your fleet meet EPA emission standards and operate more cleanly.

How is DEF delivered?

We offer flexible DEF delivery options to suit your needs:

  • Bulk delivery directly to on-site storage tanks
  • Tote delivery (275 or 330-gallon containers)
  • Drum delivery (typically 55 gallons)
  • Small containers (1-gallon or 2.5-gallon jugs)

Do I need special storage for DEF?

Yes. DEF must be stored in a cool, dry environment (ideally between 12°F and 86°F) in dedicated DEF-approved containers. Proper storage prevents contamination and maintains fluid integrity.

What happens if DEF gets contaminated?

Contaminated DEF can damage your SCR system and lead to costly repairs. Always use dedicated equipment for DEF and keep storage sealed and clean to avoid dirt, oil, or other fluid contamination.

Can DEF freeze? What should I do if it does?

Yes, DEF freezes at approximately 12°F (-11°C). If it freezes, simply let it thaw—its effectiveness will not be reduced. Most vehicles and equipment with DEF tanks have built-in heaters to manage freezing conditions.

How often should I schedule DEF deliveries?

Delivery frequency depends on your usage and fleet size. We offer custom delivery schedules—whether weekly, monthly, or as-needed—to ensure you never run out.

Does DEF have a shelf life?

Yes. DEF typically has a shelf life of 1 to 2 years, depending on storage conditions. Store it sealed, out of direct sunlight, and away from extreme temperatures to maximize longevity.