Permatex's Automatic Transmission RTV Sealant resists aging, weathering and thermal cycling without hardening, shrinking or cracking, and can be used as a replacement for cut gaskets or as a gasket dressing. This sealant not only provides excellent adhesion qualities but also retains flexibility. Operating temperature range is from -65 to 500 degrees F (-54 to 260 degrees C). It is sensor-safe, non-corrosive and low odor with improved oil resistance. Available in a 3 oz. carded tube.