AT–205 Re-Seal is a fast, effective and safe stop–leak for all rubber seals and gaskets. The exclusive formulation restores worn or dried out seals and is not harmful to internal bearings and components. Fully compatible with: – Conventional and synthetic motor oils for gasoline and diesel engine engines – ATF and gear oil used in automatic transmissions, manual transmissions, and differentials – Power steering fluid in rack and pinion and steering box applications – Hydraulic oil used with plows, lifts, jacks, and industrial equipment (Do not use and brake system) Does not contain petroleum distillates.