Loctite 598 Black High Performance RTV Silicone is used for dealership warranty requirements. It ensures extended drive train warranty compliance. Fast-curing formula. Sensorsafe, low odor, noncorrosive. Meets performance specs of OE silicone gaskets. Retains high flexibility, oil resistance properties. Temperature range: -75°F to 625°F (-59°C to 329°C) intermittent; resists auto and shop fluids and vibration. Typical applications include Valve covers, oil pans, intake manifold end seals, timing covers, transmission.