FJC Universal A/C Leak Detection Dye

FJC Universal A/C Leak Detection Dye is an ultraviolet fluorescent dye for finding refrigerant leaks in R-12 and R-134a automotive air conditioning systems. It helps you locate small or hard-to-find leaks in mobile A/C systems. It is also sold as A/C UV dye, A/C leak detector dye, or fluorescent refrigerant dye.

Key Features:

• Fluorescent leak detection: Glows under any UV or blue light, so leak points are easy to see.
• Works with R-12 and R-134a systems: Made for use in these automotive A/C systems.
• POE ester based: The formula is compatible with systems that use PAG or ester oil.
• Safe for hybrids: Suitable for hybrid vehicle applications.
• Simple dosing: Use 1/4 oz of dye per 12 oz of system oil.
• Universal use: One dye formula works across different mobile A/C systems.

Important: Do not use this dye in brake fluid systems.

Add the dye to the A/C system, run the system, and then inspect the lines, fittings, and components with a UV or blue light. Any leaks will show up as a bright fluorescent trace. FJC is a long-established supplier of A/C service products for professional technicians and DIY users.