Diesel Fuel Water & DEF Test Kit – Detect Contamination Quickly

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If your diesel engine isn’t running properly, someone may have accidentally pumped DEF into the fuel tank. This can cause serious engine problems—but you don’t have to guess. With the Diesel Fuel Water or DEF Test Kit (#DEF-1), you can test for contamination quickly, safely, and easily.

Features of the DEF-1 Test Kit

  • Detects water and DEF in all diesel fuel
  • Results in less than one minute
  • Non-toxic and completely safe to use
  • Indicates PASS or FAIL for free DEF in diesel

Kit Includes:

  • 1 test tube
  • 10 test strips
  • 1 transfer pipette

How to Use the DEF-1 Test Kit

  1. Ensure your sample contains free water or DEF—look for separation at the bottom of your tank or container.
  2. Place a test strip in the tube, colored end down.
  3. Using the pipette, add fuel from the bottom of the container until the tube is ¾ full.
  4. Close the tube and inspect the strip:
    • Water: turns brown to pink
    • DEF: turns blue in seconds
  5. Dispose of the sample and strip per local regulations. Reuse the tube and pipette for the next test.

Protect Your Diesel Fuel
Regular testing with the DEF-1 kit can prevent costly engine damage and ensure your fuel system remains safe and reliable. BUY IT HERE