Introducing the DEF Magnevator by Five Star DEF

Introducing the DEF Magnevator by Five Star DEF

The DEF Magnevator makes it possible for you to fill your DEF (Diesel Exhaust Fluid) tank OR reusable containers with DEF at truck stops that use the Magnetic Activated DEF Nozzle.  We tried the device that is offered by the nozzle manufacturer, but we think it...

DEFJUG and DEFSPOUT Pass Contamination Testing

Purity of DEF is paramount for effective NOx reduction and SCR system life. DEF purity is highly dependent on methods and materials used for storage and dispensing of DEF.  Five Star DEF recognizes the need for testing of products and methods that we sell for...

More New Products on eBay!

More New Products on eBay!

We have completed additional product development and testing and are now offering the following new Innovative DEF Solutions on eBay and soon in our online store.  These new products include an improved 1.36 Gallon DEF KIT that includes a DEFSPOUT with long life...

Expanded Product Line Now on eBay!!!

Expanded Product Line Now on eBay!!!

Five Star DEF has added new products including refillable DEFJUGs in 1 and 2.7 gallon sizes, user friendly DEFSPOUTS, DEF sampling service, and later today, a 7 gallon kit.  Please visit eBay to see the full description of our new products and buy them if you...

New Clean Room Facility in Arizona Completed!

We "migrate" from Kent, Washington to Morristown Arizona each winter to escape the Pacific Northwest winters, and spend time with family that live in Arizona.  We have a fixer-upper house in Morristown that we are slowly renovating, doing most of the work...

Five Star DEF’s Lab Part 2: Our DEF Quality Equipment

Five Star DEF’s Lab Part 2: Our DEF Quality Equipment

Digital Scale We weigh technically pure urea for each of our products. For our initial product offering that makes 1.36 gallons of DEF, 4.050 lb* (1837 g) of pure urea is weighed using our Intelligent Weighing Technology PC 6001 Digital Scale. 5 Star DEF measures each...

Five Star DEF’s Lab Part 1

Five Star DEF’s Lab Part 1

When we decided proceed with Five Star DEF and offer an alternative to liquid DEF by packaging technically pure urea in a container for mixing with commonly available distilled water, Erich put his Aerospace background to work and set up a small Five Star DEF Lab to...

Erich+Kathryn
Erich and Kathryn are retired engineers with over 65 years of combined experience in engineering, manufacturing, and management. They started Five Star DEF to help families like them who travel and use DEF for their trucks and campers.
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