Permatex Automatic Transmission RTV Sealant is specially designed to withstand the harsh detergents and friction modifiers found in automatic transmission fluid that break down normal RTV silicones. This sealant has been formulated to meet the stringent Original Equipment Manufacturer (OEM) requirements and to provide a superior gasket maker that resists aging, weathering and thermal cycling without hardening, shrinking or cracking. Benefits include improved transmission oil resistance and good adhesion while retaining flexibility. Sensor-safe, non-corrosive, non-flammable, non-toxic, and low odor, this Automatic Transmission RTV Sealant can be used as a gasket maker or dressing.