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DEF-Chek (Diesel Exhaust Fluid Tester)-THX-108

DEF-Chek (Diesel Exhaust Fluid Tester)-THX-108

Part Number
: THX-108


  • Product Description
  • Shipment & Return

Part Number:THX-108
  • The DEF-CHEK is designed to test the urea concentration of Diesel Exhaust Fluid.
  • Professional disc-type16 1/4” tester is accurate at all temperatures.
  • Easy to read discs are magnified by convex design of the clear SAN plastic barrel. 
  • One-piece bulb and neoprene dip tube. 

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Orders placed Monday through Friday before 10:00 AM PST will be processed and shipped the same day, unless there are extenuating circumstances. Any orders placed Monday through Thursday after 10:00 AM PST, will be processed and shipped on the next business day. Orders placed Friday through Sunday will be shipped on Monday.