Detroit® Diesel Exhaust Fluid converts NOx emissions to harmless nitrogen and water using a mixture of high purity synthetic urea and deionized water in your Selective Catalytic Reduction (SCR) system. Batch tested to exceed the highest OEM quality standards, Detroit® DEF ensures performance and gets it right every time.

• OEM factory fill DEF technology for Daimler Truck North America
• Produced by the makers of America's #1 Brand of Diesel Exhaust Fluid, Blue DEF
• Tested and blended with high quality urea
• Non-toxic and non-flammable for easy and safe handling