374CS | Certified A/C Pro® Oil and Fuel Systems UV Dye
- One application of oil and fuel system UV leak detection dye
- For use in engine oil, transmissions, power steering systems and gas/diesel fuel systems
- Compatible with all weights of petroleum-based lubricant
- Add 1 fl. oz. to 4 quarts ATF, or add 1 fl. oz. to 5 quarts oil, or add 1 fl. oz. to 5 gallons of gas/diesel.
- Run engine/road test to penetrate leaks.
- Inspect with UV light. Leak will appear as “yellow-green” glow at leak source.