DIESEL EXHAUST FLUID

DIESEL EXHAUST FLUID

Not just products — solutions that stand out and make an impact

Quality that stands out.

Performance that makes the difference

DIESEL ADDITIVES

DIESEL EXHAUST FLUID

Box of Blue DEF diesel exhaust fluid with green and white packaging, featuring blue and black text, a blue droplet graphic, and certification labels.
A box of Peak Kleen DEF diesel exhaust fluid, with product and warning information printed in English, French, and Spanish.
A 2.5-gallon container of Prestone Command Diesel Exhaust Fluid (DEF) for diesel engines, with a blue label featuring the product name, a graphic of a vehicle exhaust, and safety warnings.