ASSIST
ASSISTANCE
Diesel Exhaust Fluid (DEF) keeps your diesel engines running efficiently and meeting emissions standards. DEF is an essential fluid for reducing harmful nitrogen oxide emissions from diesel vehicles, ensuring both environmental compliance and optimal engine performance. Whether you're maintaining a fleet or managing a single vehicle, our DEF products are designed to support clean and efficient operations, helping you stay on the road longer and cleaner. Explore our range of reliable DEF options and find the perfect match and volume for your needs.
BlueDEF PLATINUM® with Advanced SYSTEM SHIELD™ Technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle de...
View full details40 Count Multipack Diesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heav...
View full details80 Count Pallet. Palletized and shrink wrapped to arrive to your dock or door safely. LTL and optional Liftgate delivery. Diesel exhaust fluid i...
View full detailsDiesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine build...
View full detailsBlueDEF® Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) s...
View full detailsBlueDEF PLATINUM® with Advanced SYSTEM SHIELD™ Technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle de...
View full detailsKleenDEF Diesel Exhaust Fluid is a mixture of 32.5% high purity synthetic urea and 67.5% deionized water that is used in Selective Catalytic Redu...
View full detailsBlueDEF® Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) s...
View full detailsKleenDEF Diesel Exhaust Fluid is a mixture of 32.5% high purity synthetic urea and 67.5% deionized water that is used in Selective Catalytic Redu...
View full detailsKleenDEF Diesel Exhaust Fluid is a mixture of 32.5% high purity synthetic urea and 67.5% deionized water that is used in Selective Catalytic Redu...
View full detailsDEF is a clear, non-toxic, non-flammable liquid that's injected into the exhaust stream of a diesel engine. It's stored in a separate tank, usually located next to the diesel tank.
Diesel Exhaust Fluid (DEF) is a precise mixture of urea and de-ionized water that is used in the SCR process. DEF is 32.5% urea and 67.5% de-ionized water, this mixture is very precise when blended.
No, DEF is less hazardous than other fluids used in a truck, like diesel, brake fluid, and antifreeze. It's biodegradable and can be transported without a hazardous substance placard.
Store DEF in a cool, dry, well-ventilated area in a container designed for DEF. Avoid storing it outdoors or in containers made of carbon steel, aluminum, copper, or zinc.
DEF can last at least one year if stored between 10° and 90° Fahrenheit. Storing it at 75° Fahrenheit can extend its shelf life to two years.