ACDelco Coolant System Tracer Dye is a fluorescent leak detection dye that is specifically formulated to pinpoint leak sources in cooling systems that use DEX-COOL (orange) coolants. The use of ACDelco Coolant System Tracer Dye will not change the original appearance of the long life coolants. This tracer dye is used in conjunction with ACDelco Ultra Violet (UV) Leak Detection Lamp Kit. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov For Professional Use Only, Not for Retail Sale

• Designed to quickly pinpoint leaks in cooling systems that use DEX-COOL (orange) coolants
• Special formula will not change the color of the coolant
• Fluorescent dye assists with visual leak detection to eliminate guess work
• Works in conjunction with the ACDelco Ultra Violet (UV) Leak Detection Lamp Kit