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Performance Tool Professional Disc Style Diesel Exhaust Fluid (DEF) Tester
Test DEF purity and ensure proper urea levels with this professional DEF testerTests accurately even when hot
Professional disc type DEF, Diesel Exhaust Fluid testerDesign to test the urea purity to maintained 32.5 percentFloating discs will accurately display urea levelsTests accurately hot or cold, temperature compensating
For most diesel power cars, light duty and semi-trucks from 2010 to current