ACDelco 4-in-1 Fluorescent Dyes

An engine oil, power steering fluid, automatic transmission fluid, or gas/diesel system leak can impair or negatively affect your vehicle's performance.

ACDelco 4-in-1 fluorescent dyes are a multipurpose leak detection dyes used in conjunction with ACDelco Ultra Violet (UV) leak detection lamp kits to pinpoint leaks in oil and oil-based fluid systems. The fluorescent dye can be used with gasoline and diesel engine oil, power steering fluid, and automatic transmission fluid. ACDelco 4-in-1 fluorescent dye can safely remain in the system after work is performed.