Fluorescent Dyes / Fluoro-Lite® 5 for R-134a/PAG A/C Dye

Fluoro-Lite® 5 for R-134a/PAG

Aging R-134a A/C systems will develop leaks over time. Most of these leaks are caused by deteriorating fittings, joints, seals, and hose connections. Road debris — such as rocks and asphalt — can also compromise A/C systems.


  • Works with Refillable Inline Injector and Syringe Injector
  • See dye container sizes below

Where to Buy

Product No.Description
TP3820-P12(12) 0.25 oz (7 ml) R-134a/PAG bottles, services up to 12 vehicles
TP3820-1P6(6) 1 oz (30 ml) R-134a/PAG bottles, services up to 24 vehicles
TP3820-88 oz (237 ml) R-134a/PAG bottle, services up to 32 vehicles
TP-9882Inline Injector, 2 oz (60 ml) capacity. Control valve, R-134a hose/coupler & purge fitting.
TP-9881Syringe Injector, R-134a hose/coupler with check valve & purge fitting
Comparable to discontinued part # ‘s
• TP-3820-12025
• TP-3820-0601
• TP-3820-0008

Injection Methods

Recommended Dye Dosage

Product Name and NumberStandard Dose
Fluoro-Lite® 5 Bottled Dye (TP3820)0.25 oz (7ml) per 5 lbs (2 kg) of refrigerant or 10 oz (300 ml) of lubricant