Create reliable formed-in-place gaskets for general automotive repairs with Permatex Ultra Blue RTV Silicone Gasket Maker. Designed for automotive repair, shop use, and routine engine maintenance, this multi-purpose RTV silicone gasket maker forms a tough, flexible rubber seal that resists oil, vibration, weathering, and thermal cycling. The sensor-safe, low-odor, non-corrosive formula meets or exceeds OEM specifications and is ideal for replacing most cut gaskets or dressing pre-cut gaskets during assembly.

• Multi-Purpose RTV Gasket Maker – Designed for general automotive sealing and gasket repair applications
• Temperature Resistant – Withstands temperatures from -65°F to 500°F intermittent
• Sensor-Safe Formula – Low-odor, non-corrosive formula is safe for oxygen sensors when used as directed
• Flexible Silicone Seal – Cures to form a tough, flexible silicone rubber gasket
• Oil & Vibration Resistant – Resists automotive fluids, vibration, weathering, and thermal cycling
• Replaces Most Cut Gaskets – Can be used as a formed-in-place gasket or as a gasket dressing
• Versatile Application Use – Ideal for valve covers, oil pans, timing covers, transmission pans, differential covers, water pumps, and thermostat housings