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Performance Tool Professional DEF Testers

5.0 out of 5 stars 2 Customer Reviews

Performance Tool Professional DEF testers are designed to test the urea concentration of diesel exhaust fluid to make sure that the urea content is maintained at 32.5 percent. It's great for use on most diesel-powered cars and light-duty and semi-trucks from 2010 to present day. The tools accurately test hot or cold, temperature compensating, and floating discs accurately display urea levels. To prolong the service life of the tools, flush them with water after each use.

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Performance Tool Professional DEF Testers W16500

Fuel Testers, Professional DEF Tester, Plastic Tube, Floating Disc Display, Temperature Compensating, with Squeeze Bulb, Neoprene Hose, Each

Part Number: WMR-W16500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

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