The Permatex Anaerobic Flange Sealant is the perfect solution for sealing RTV originally sealed components such as intake manifolds, oil pans and valve covers. This sealant is oil-resistant, low volatility, non-corrosive and low odor, making it safe to use on sensitive surfaces and sensors. It is easy to apply and cures quickly, making it a great choice for your sealing job. FleetPride is your First Click in Heavy Duty®.