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Clean Diesel Exhaust Fluid is the key to maximum fuel efficiency and minimal environmental impact. Our highly pure DEF and delivery procedures ensures you only get the good stuff.

Get a Free Quote on DEF

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Senergy delivers the highest quality Diesel Exhaust Fluid at any quantity. Give us a few details and we’ll give you a free quote. 

Note: If you don’t know how many gallons per month you are using, a good rule of thumb is your DEF consumption is about 4% of your diesel fuel consumption.

Why Diesel Exhaust Fluid from Senergy?


Diesel Exhaust Fluid is a key component to modern diesel engines and only the highest purity will have maximum effectiveness.


With our brand new Senergy DEF trucks, we are able to deliver DEF in bulk or in smaller packaged quantities. You can also pump DEF at most of our Cardlock locations. 


Senergy understands the effectiveness of DEF depends on its cleanliness. The smallest impurity can contaminate thousands of gallons. Senergy’s internal processes ensure the best quality of product is transferred expertly from our tanks to your inventory. 

Diesel Exhaust Fluid

DEF continues to grow in demand and you are seeing more of your equipment require it. Federal mandates for exhaust emissions continues to expand. Are you handling DEF correctly? Is your storage system reducing your DEF shelf life or adding contaminants? Watch our training series on DEF here.

We offer:


Senergy has been the distributor of choice in the Southwest and Rockies for decades. We only carry the highest quality products at the most competitive price possible. Our brands themselves are market leaders offering a variety of options and price points.

Need more information?


Looking for your next career path. Senergy Petroleum is now hiring sales, operations, accounting, warehouse, and drivers. Fuel up, with team Senergy.

  • Shift Differential Pay
  • 401 (K) w/ Company Match
  • Medical, Vision, Dental Insurance
  • Paid Time Off
  • Long Term Disability
  • Tuition Reimbursement