TP-3900 Dye-Lite Coolant/Auto Body Dye

The TP-3900 Dye-Lite Coolant/Auto Body Dye is a fluorescent dye that shows leaks in radiators, hoses, water pumps and fittings. Wherever the coolant leaks, the dye remains at the leak site. When the system is scanned with an ultraviolet or blue light inspection lamp, the dye glows bright green. The dye also works for wind and water leaks.



The Business Manual for Owner-Operators
Overdrive editors and ATBS present the industry’s best manual for prospective and committed owner-operators. You’ll find exceptional depth on many issues in the 2021 edition of Partners in Business.
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