Formulated for engine cooling systems, this fluorescent dye circulates with the coolant to identify the location of leaks under ultraviolet light. This 16-ounce (454 g) (473 ml) bottle of Dye-Lite solution provides a bulk supply for treating multiple vehicles or large-capacity equipment.

Formulated for engine cooling systems, this fluorescent dye circulates with the coolant to identify the location of leaks under ultraviolet light. This 16-ounce (454 g) (473 ml) bottle of Dye-Lite solution provides a bulk supply for treating multiple vehicles or large-capacity equipment.