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Diesel Exhaust Fluid


Cooper Petroleum Inc

Cooper Petroleum Inc is a leading fuel distributor of DEF fluid. We are able to supply top quality DEF to our customers.

Get information on pricing, ordering and detailed product data today! Please complete the Contact Form located on the side of this page and we will respond to you promptly.

Also, feel free to call us: 1-888-652-5635.

Since the enactment of lowered NOx standards by the EPA on January 1, 2010, all of the leading heavy-duty diesel engine manufacturers have been installing the Selective Catalytic Reduction (SCR) systems on the vast majority of their engines. With this modification, a routine addition of the Diesel Exhaust Fluid (DEF) is required to keep the engine running. Cooper Petroleum Inc. has acknowledged the rising demand for DEF and partnered up with its leading manufacturer AirBlueFluids Inc (ABF) to fulfill your needs for this additive.

What is DEF?

Diesel Exhaust Fluid (DEF) is a urea-based fluid specifically engineered for diesel engines as the reducing agent in Selective Catalytic Reduction (SCR) systems, which is a new vehicle technology platform for reducing NOx emissions through exhaust aftertreatment. DEF is a solution made up of purified water and 32.5 percent urea that is used as a carrying agent for the ammonia needed to reduce nitrogen oxide (NOx) emissions from diesel engines into nitrogen, water and carbon dioxide (CO2).

Interested in learning more about our product? Click on the Specs Sheet link in our PDF Downloads section to the left to download detailed information about our product’s properties.

What is SCR?

Selective Catalytic Reduction (SCR) is one of the most cost-...

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Latest News

Top Frequently Asked Questions on DEF

Product News

Top Frequently Asked Questions on DEF

Wednesday, October 10, 2012
Everything a bus operator needs to know about Diesel Exhaust Fluid and Selective Catalytic Reduction.

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What is Diesel Exhaust Fluid and who needs it?

Product News

What is Diesel Exhaust Fluid and who needs it?

Tuesday, July 24, 2012
Diesel Exhaust Fluid (DEF) is a urea-based fluid specifically engineered for diesel engines as the reducing agent in Selective Catalytic Reduction (SCR) systems, which is a new vehicle technology platform for reducing NOx emissions through exhaust aftertreatment.

Read More »

View All News »


Product Pages

Diesel Exhaust Fluid

Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) is a urea-based fluid specifically engineered for diesel engines as the reducing agent in Selective Catalytic Reduction (SCR) systems, which is a new vehicle technology platform for reducing NOx emissions through exhaust aftertreatment.

Read More »

Selective Catalytic Reduction

Selective Catalytic Reduction

Selective Catalytic Reduction (SCR) is one of the most cost-effective and fuel-efficient vehicle emissions control technologies available to reduce diesel engine emissions.

Read More »

Packaged DEF

Packaged DEF

We are able to offer Diesel Exhaust Fluid in different packages to suit your needs, from small bottles to 275 gallon totes.

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