The Permatex RTV Silicone Sensor Safe Gasket Maker is designed to resist a variety of automotive fluids, including oil, gasoline, transmission fluids and coolant. This non-corrosive sealant ensures that the sealed parts maintain their integrity and sealing capabilities. It is ideal for use on a variety of automotive applications, including oil pans, valve covers and timing covers. It is also sensor safe, making it perfect for use on oxygen sensors and other electronic components. FleetPride is your First Click in Heavy Duty®.