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Permatex · Tools & Supplies
prx81878
In stock · ships from Knoxville
Permatex Ultra Copper is a high-temperature RTV silicone gasket maker that creates flexible, formed-in-place gaskets for engine components like exhaust manifolds, valve covers, oil pans, and thermostat housings.
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Universal fit
Universal gasket maker; not vehicle-specific. Suitable for any high-temperature sealing application on engines, exhausts, and related components.
Part data verified against 5 catalog sources
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It withstands intermittent temperatures up to 700°F and continuous heat up to 600°F, making it suitable for turbocharged or high-performance engines. The sensor-safe, non-corrosive formula replaces most cut gaskets and resists aging, cracking, and most shop fluids. You would use it when assembling or repairing metal parts that need a durable, heat-resistant seal.
Part Number: prx81878
ultra copper permatex orange
Unit: ea
Dealer: KP Services Crossville
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