Tracer Products® - Dye-Lite™ Engine Coolant and Auto Body Leak Check Dye

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$9.93 - $42.83
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Universal Dye-Lite™ Engine Coolant and Auto Body Leak Check Dye by Tracer Products®. TP-3900 fluorescent dye quickly finds leaks in radiators, hoses, water pumps and fittings. Just add 1 oz of the dye to a cooling system and allow it to circulate. Wherever the coolant leaks out, so does the dye, which remains at the site of each and every leak. When the system is scanned with a Tracerline® ultraviolet or blue light inspection lamp, the dye glows a bright green showing the exact location of all leaks. In addition to locating coolant leaks, TP-3900 is ideal for pinpointing wind and water leaks. Simply mix the dye in proper dilution with water and spray suspect leak sites outside the vehicle using the TracerJet™ spray gun. Then check the inside of the vehicle for leakthrough with a Tracerline® inspection lamp.

Tracer Products


  • High quality at an affordable price
  • Expertly made from premium materials
  • Built to match your exact requirements

Tracer Products® has been at the forefront of leak detection technology for more then 25 years. With nearly 200 employees dedicated to research and development, manufacturing, sales, marketing, customer service, and logistical and technical support, we look forward to the challenges of the 21st century with a steadfast commitment to excellence.


Tracer Products' obligation under tis warranty is limited to repairing or replacing, at the option of Tracer Products, any part(s) of the product which, if properly installed, used and maintained, proves upon factory examination to have been defective in material or workmanship within 12 months from the date of delivery, including LEDs.

This warranty does not apply to any component that deteriorates under normal use or has a normal life inherently shorter than the warranty started. For example, bulbs, tubes, filters, and rechargeable batteries are warranted for 30 days. In addition, Tracer Products does not warrant any instrument that has been subjected to misuse, negligence or accident, or has been repaired or altered by anyone other than Tracer Products.

This warranty is in place of all other warranties of quality. There are no other warranties either oral, written, express, implied or statutory. IMPLIED WARRANTIES OF FITNESS FOR PURPOSE AND MECHANTABILITY ARE EXCLUDED. This warranty and your remedies thereunder are solely as stated in Certificate. In no event shall Tracer Products be liable special, indirect, incidental, or consequential damages, nor for any damages arising out of delay in shipment or production.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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