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BlueDEF Diesel Exhaust Fluid (DEF) - 2.5 gal

Part #: NAF DEF002
Line: NAPA Antifreeze
BlueDEF Diesel Exhaust Fluid (DEF) - 2.5 gal
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Features & Benefits

Warranty: No Warranty, Expressed or Implied

BlueDEF Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water.

  • BlueDEF's Purity Guarantee is our assurance the DEF you are purchasing has been tested to meet or exceed the strictest OEM standards
  • America's #1 brand of Diesel Exhaust Fluid
  • Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
  • Compatible with all diesel SCR systems
  • Non-toxic, non-flammable formula makes handling safe and easy


Container Size 2.5 gal (US)
Special Instructions API Approved/Certified, Meets ISO 22241 Specifications
UNSPSC 15101505
VMRS Code 053999165

Safety Information