ACDelco 10-5046 Dex-Cool Leak Detection Tracer Dye - 1 oz<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed to quickly pinpoint leaks in cooling systems that use DEX-COOL (orange) coolants</li><li>Special formula will not change the color of the coolant</li><li>Fluorescent dye assists with visual leak detection to eliminate guess work</li><li>Works in conjunction with the ACDelco Ultra Violet (UV) Leak Detection Lamp Kit</li></ul></div><img src="http://ecx.images-amazon.com/images/I/312Fq5AYUHL.jpg" noproxy>