Compatible with all diesel SCR systems. Learn more about America's #1 brand of Diesel Exhaust Fluid below.
The BlueDEF® Purity Guarantee: We test each batch of BlueDEF® before we put our name on it. The batch code found on the box is your assurance that the DEF within is pure and has been tested to meet or exceed the strictest OEM standards, including the API DEF Certification, and the ISO Standard 22241.Learn More
BlueDEF® PLATINUM™ with exclusive ADVANCED SYSTEM SHIELD™ TECHNOLOGY is designed to significantly reduce harmful deposits in the selective catalytic reduction system thus providing optimum fuel economy, saving money on costly repairs, and sustaining the life of your SCR system.Learn More
Enter for the chance to have your name added to John Force’s funny car hood as he races down the drag strip at the 2023 NHRA Finals!Enter Now