Features:

  • Professional disc type DEF, Diesel Exhaust Fluid tester.
  • For most diesel power cars, light duty and semi-trucks from 2010 to current.
  • Design to test the urea purity to maintained 32.5 percent.
  • Floating discs will accurately display urea levels
  • Tests accurately hot or cold, temperature compensating.
DEF Tester

works as advertised and provided the rating of the DEF as being good

Five Stars

Worked as described.

Quality

Easily and very accurate way to check your def fluid.

Good buy

Easy to use, although markings could be clearer. Important for all DEF vehicles that could suffer malfunctions and check engine lights if old DEF is used.

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