Prestone® DEF (Diesel Exhaust Fluid)

Experience the highest standards of purity and performance with Prestone® DEF.

• Certified by the American Petroleum Institute (API), ensuring it meets the stringent requirements of ISO 22241.
• Prestone® DEF guarantees superior quality, clean and pure formula mixed with filtered deionized water.
• Designed to meet OEM standards, Prestone® DEF is suitable for use in SCR systems across a wide range of diesel engines, including passenger cars, pickups, commercial vehicles, and off-road equipment.
• Reduce harmful emissions through SCR system.

Available in a convenient 2.5-gallon container, it is the ideal choice for any diesel emission system requiring DEF. Trust Prestone® DEF to keep your diesel engine running efficiently and cleanly.