TSISupercool
TSI Supercool 39241B-YF HFO-1234yf Total Leak Stop Plus U/V Dye. (NOT for
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Highlights
- Total Leak Stop for HFO-1234yf AC Refrigerant systems. Stops small leaks in METAL & RUBBER A/C components including evaporators, condenser, hoses, gaskets & O-rings. (NOT FOR USE IN R134a SYSTEMS)
- IMPORTANT: Confirm your vehicle uses HFO-1234yf Refrigerant. HFO-1234yf low side service port adapter is larger in diameter than an R134a low side service port. The quick connect hose coupler should fit snugly. If it does not fit snugly it indicates the system is not an HFO-1234yf Refrigerant System
- Each can is overfilled to ensure proper amount of fluid is injected into AC System and allows for residual fluid remaining in hose after application
- Scan QR code on product box for short video on proper installation
- 1 can treats 1 vehicle
Why You'll Love It
- Formulated to stop small leaks across both metal and rubber air conditioning components
- Contains ultraviolet dye to help identify and trace refrigerant leaks in your system
- Single can provides the exact treatment amount needed for one complete vehicle
- Extra fluid in the can accounts for leftover residue inside the application hose
- Includes a QR code on the packaging linking directly to an installation video
Pros
- +Works on metal and rubber parts
- +Includes UV dye for leak detection
- +Overfilled can prevents under-dosing
- +Single can treats one vehicle
- +Includes QR code video guide
Cons
- -Not compatible with R134a systems
- -Designed only for small leaks
Detailed Review
TSI Supercool 39241B-YF Total Leak Stop Plus U/V Dye is an air conditioning treatment designed to seal minor refrigerant leaks in modern automotive systems. It serves vehicle owners experiencing small seepage across various system parts, sealing both metal sections like evaporators and condensers as well as rubber components like hoses, gaskets, and O-rings.
The formula includes UV dye, allowing you to visually locate where refrigerant might be escaping. To ensure full delivery, each can is intentionally overfilled so that the proper dosage enters your vehicle even if residual fluid remains trapped in the application hose. Additionally, one can is measured to treat exactly one vehicle, removing guesswork during servicing.
Compatibility is strictly limited to HFO-1234yf refrigerant systems, meaning it cannot be used in older R134a setups. You can verify fitment by testing the quick connect hose coupler on your vehicle low side service port, which is larger on HFO-1234yf systems and must fit snugly. For guidance, the product box features a scannable QR code that directs you to a short installation video.
Verdict: This leak stop is a practical fix for vehicle owners dealing with minor leaks in HFO-1234yf air conditioning systems. Confirm your port size and refrigerant type before purchasing to ensure proper fit and application.
Who Should Buy It
A great fit if you:
- Drive a vehicle equipped with an HFO-1234yf refrigerant system
- Need to seal small leaks in A/C components like hoses, gaskets, condensers, or evaporators
- Want integrated UV dye to assist with leak detection
- Prefer a single-can treatment measured for one vehicle
Consider something else if you:
- Have a vehicle running on an R134a refrigerant system
- Are dealing with severe component damage rather than small leaks
FAQ
Can I use this product in an R134a air conditioning system?
No, this formula is made exclusively for HFO-1234yf systems and is not for use in R134a systems.
How do I confirm my vehicle uses HFO-1234yf refrigerant?
Check your low side service port adapter. HFO-1234yf ports have a larger diameter than R134a ports, and the quick connect hose coupler should fit snugly.
How many cans are needed for one vehicle?
One can contains enough fluid to treat one complete vehicle.
Product Details
| Brand | TSISupercool |
| ASIN | B01981J9DU |
