Interdynamics 375CS Radiator/Coolant Dye - 1 oz. Bottle
Interdynamics radiator/engine cooling system UV leak detection dye, safe for use in all vehicle makes and models (except 1996 and newer GM models that use dex-cool coolant). Compatible with all types of anti-freeze except GM dex-cool coolant 1 ounce to help determine where there might be a leak.