Description
Loctite RTV 598 Black is the high-temperature silicone sealant engineered for critical engine gaskets, transmission pans, and valve covers where conventional gasket makers fall short. Built to withstand sustained temperatures up to 400°F and resist oil, coolant, and fuel exposure, it delivers reliable sealing on both cast iron and aluminum surfaces. Whether you’re rebuilding a race engine or servicing your daily driver, this professional-grade sealant eliminates leaks without the brittleness of outdated formulations.
- Black RTV silicone
- 8.75 oz aerosol
- Loctite 598 formula
- MPN: 495075
- Maximum temp: 400°F
- Oil and fuel resistant
- Cures at room temperature
- Bonds metal and rubber
- Replaces traditional gaskets
- Single-component application
