Permatex Sensor-Safe High-Temp Silicone Gasket Maker

Permatex Sensor-Safe High-Temp Silicone Gasket Maker is formulated for oxygen sensor equipped engines.  It has a temperature range of -65°F to 650°F and resists auto and shop fluids.

• Sealant
• Sensor Safe High Temperature RTV
• Silicone
• Temperature range of -65°F to 650°F (-54°C to 343°C) intermittent
• Suggested Applications: Valve covers, oil pans, timing covers, water pumps, and thermostat housings.
• 3.00 oz Tube
• MPN: 81422

Instructions

• For best results, clean and dry all surfaces with a residue-free solvent such as Permatex^® Brake Cleaner.
• Cut nozzle to desired bead size. 
• Apply a continuous, even bead of silicone to one surface, surrounding all bolt holes. Assemble parts immediately while silicone is still wet. Finger tighten until material begins to squeeze out around flange. Allow to dry for one hour then retighten.
• Silicone will skin over in one hour and fully cure in 24 hours under normal conditions. Allow more time for cold or very dry conditions.
• Clean uncured silicone from hands, tools and clothing with Permatex^® Fast Orange^® Hand Cleaner.

Note: Not recommended for use on head gaskets or parts in contact with gasoline.

Note: Due to warranty issues, technology changes (i.e. sensors, etc.), aluminum components, Part No. 27BR can be replaced with ULTRA COPPER^®, Part No. 81878 for optimal sealing performance.