TP-3900 Dye-Lite Coolant/Auto Body Dye

Nov 8, 2011

Updated Aug 14, 2012

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.

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