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🔍 Spot leaks before they spot you – stay cool, stay ahead!
Interdynamics 375CS Radiator/Coolant Dye is a professional-grade UV dye designed for precise leak detection in engine cooling systems. This 1 oz bottle provides a single application compatible with nearly all vehicle makes and antifreeze types, except GM DEX-COOL models post-1996. Trusted by mechanics and DIYers alike, it ensures early leak identification to prevent costly repairs and maintain optimal engine performance.
| ASIN | B002M4E0VC |
| Best Sellers Rank | #209,534 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #102 in Cooling Systems |
| Brand | A/C Pro |
| Brand Name | A/C Pro |
| Colour | Engine Cooling Systems UV Dye |
| Compatible Material | Metal |
| Country of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 907 Reviews |
| Global Trade Identification Number | 00047876013758 |
| Included Components | CHEMICALS |
| Item Form | Liquid |
| Item Type | CHEMICALS |
| Item Weight | 1 Ounces |
| Manufacturer | Interdynamics |
| Manufacturer Part Number | 375CS |
| Model number | 375CS |
| Net Quantity | 1.0 Ounce |
| Number Of Items | 1 |
| UPC | 047876013758 |
| Unit Count | 1.0 Ounce |
S**H
Very good
I use it for checking leak path in automotive heat exchangers. Works good.
C**O
Vibrant colour
helped me identify where the leak was
T**D
Great product helped isolate my leak in an impossible to find location otherwise
Works exactly as intended. Had my car out back after a delaminated crank pulley caused the belt to eat into coolant lines going to the oil cooler. Was a pain in my Audi as could not see where the leak was coming from despite my best efforts. Ran this through pressurized the system before taking the coolant system apart to find the leak in a place I wouldnt have seen otherwise. Highly recommended. I used half bottle with great visibility
M**R
Works great. Even visible without a UV light
If your radiator leaks on the driveway, it looks like the Predator bled in that spot. ;-)
R**D
Works very well
This works absolutely fantastic. I was chasing a slow coolant leak for about a month & couldn’t figure it out. I bought this & the recommended light + glasses. Found the leak after about 3 days. It glows nice & bright with the recommended light.
A**R
Right item, good price and great service
Right item, good price and great service
Trustpilot
2 weeks ago
1 month ago