FJC 9140 R-134a Stop Leak with red leak detection dye
The FJC R-134a Stop Leak seals minor A/C system leaks and contains a red dye to help identify problem areas quickly. It also conditions O-rings and seals, preventing future leaks and maintaining system performance.

Product Details
FJC R-134a Stop Leak with Red Leak Detection Dye
INCLUDES: (1) FJC R-134a Stop Leak with Red Leak Detection Dye (9140)
PRODUCT OVERVIEW
A/C system leaks can cause poor cooling and increased refrigerant loss. The FJC R-134a Stop Leak is a dual-action formula that seals minor leaks in rubber O-rings, hoses, and gaskets, while its red dye technology helps pinpoint leak locations for effective repairs.
This stop leak rejuvenates and conditions rubber seals, preventing further leaks and extending the life of your A/C system. Compatible with all R-134a systems, this easy-to-use solution is ideal for automotive A/C repairs and maintenance.
With a safe, non-clogging formula, the FJC R-134a Stop Leak ensures optimal cooling performance without damaging critical system components.
KEY FEATURES:
- Seals Minor Leaks formulated to seal small leaks in rubber hoses, O-rings, and gaskets within A/C systems.
- Red Leak Detection Dye helps visually identify leak locations for easier repairs.
- Conditions O-Rings & Seals prevents future leaks by softening and rejuvenating rubber components.
- Compatible with R-134a Systems designed for use in automotive A/C systems using R-134a refrigerant.
- Fast & Easy Application works with standard R-134a charging hoses and service ports.
- Safe for A/C Components non-clogging formula won’t damage compressors or system parts.
Specifications
| SKU | 9140 |
|---|---|
| Cross reference | TAC8218 |
| UPC/EAN | 609989007859 |









