Invisible leaks,
made visible.
Fluorescent tracer dyes, UV lighting, lubricants, tools and fittings for the automotive and HVAC trades — engineered and manufactured in Mesa, Arizona for over 35 years. Trusted in hundreds of thousands of vehicles, from single-bottle retail to full-pallet wholesale.

MPD™ Dyes
Universal fluorescent tracer dye for A/C, engine, coolant, fuel and HVAC systems — including 1234YF.
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Lubricants
PAG and universal A/C lubricants matched to R-134a and 1234YF systems for clean, reliable service.
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UV Lighting
Cordless UV flashlights and inspection lamps that make every trace of dye light up on contact.
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Tools & Injectors
Dye injectors, adapters, hoses and fittings to dose accurately and connect to any system.
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- Since day oneA leader in UV leak detection.
- 35+
- Years of manufacturingDye, lighting, tools & lubricants.
- 100k+
- Vehicles servedTrusted in hundreds of thousands of cars.
- AZ
- Made in Mesa, ArizonaEngineered and built in-house.
Built for the people who find the leak.
For more than 35 years Fluoro-Dye Products Inc. has engineered the latest in fluorescent tracer dyes, lighting, tools and lubricants for the automotive and HVAC industries — trusted in hundreds of thousands of vehicles. Large-volume wholesalers and individual retail buyers get the same great service and the same quality products.