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🔍 Illuminate the invisible—never chase leaks blindly again!
Interdynamics 374CS UV Dye is a 1-ounce, high-performance fluorescent dye designed for oil, fuel, transmission, and power steering systems. It operates reliably up to 250°F, enabling precise leak detection by visually tracing fluid paths under UV light. Trusted by automotive professionals and DIYers alike, it drastically reduces diagnostic time and prevents costly repairs by accurately identifying elusive leaks.
| ASIN | B002M4G24U |
| Best Sellers Rank | #26,926 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Trim Dye |
| Brand | A/C Pro |
| Brand Name | A/C Pro |
| Customer Reviews | 4.5 out of 5 stars 2,484 Reviews |
| Global Trade Identification Number | 00047876013741 |
| Included Components | QUEST Auto A/C Recharge |
| Item Type Name | Auto A/C Recharge |
| Item Weight | 45 g |
| Item weight | 45 g |
| Manufacturer | Interdynamics |
| Material | Plastic |
| Material Type | Plastic |
| Measuring Range | Normal operating temperature and pressure ranges of vehicle systems |
| Measuring range | Normal operating temperature and pressure ranges of vehicle systems |
| Model | 374CS |
| Mounting Type | Flange Mount |
| Mounting type | Flange Mount |
| Output Type | visual |
| Part Number | 374CS |
| Specific Uses For Product | Automotive leak detection |
| Style | Oil and Fuel Systems UV Dye |
| Style Name | Oil and Fuel Systems UV Dye |
| UPC | 047876013741 |
| Unit Count | 1 Ounce |
| Upper Temperature Rating | 250 Degrees Fahrenheit |
A**Q
Useless
Does not identify leak
D**M
An absolute time saver.
If you are chasing a "phantom" leak that seems to be dripping from the sump but you suspect is originating elsewhere, this UV dye is an absolute lifesaver. I used it to track down a stubborn leak on my Alfa. From underneath the car, everything pointed toward a sump gasket failure, but the dye revealed a completely different story. Once circulated, the fluorescent trail showed the oil was actually weeping from a seal much higher up the block and simply trailing down the casting.
W**R
Works Perfect to Locate a Leak.
Worked as expected. Wasn’t like NEON but worked great. Found the leak right away.
M**Z
Easy to find leak
Works like it should. Used this to find where a coolant leak was at. Easy to see. Make sure you have a black light. I forgot to take pictures but worth the price to help diagnose where a leak is at.
T**N
Helps find an oil leak much easier.
I used this to find an oil leak in my Jaguar XKR that couldn’t find for ever. I thought it was the oil pan gasket failure so I replaced it twice. Then I tried this dye and was able to find it had a very small leak from front of engine. Worth the money. You really need a black light to follow the trail
H**T
Works well. Finds oil leaks easily.
Used it for thr first time yesterday and discovered the source of my oil leak quickly . You will need a black light but they are cheap. Recommended .
Trustpilot
2 months ago
1 month ago