Permatex Sensor-Safe Blue RTV Silicone Gasket Maker is the original Permatex Blue that will not foul oxygen sensors and replaces almost any cut gasket. Makes reliable "formed-in-place" gaskets that resist cracking, shrinking and migrating.
- Coats pre-cut gaskets to increase reliability
- Temperature range -65°F to 500°F (-54°C to 260°C) intermittent
- Resists auto and shop fluids
- First generation 1970-1980 gasket maker
- For use on valve covers, oil pans, timing covers, water pumps, thermostat housings or transmission pans