Flexible RTV sealant/adhesive compound saves material costs vs. hard or custom gaskets
Non-corrosive and resistant to water, oil and coolant for long-lasting performance
Can be used as a gasket dressing to improve adhesion and seal
Can be used as a gasket alternative when the original gasket is unavailable
Oxygen sensor safe
Our 3M™ High Temp Silicone Gasket is a rapid curing form-in-place silicone gasket adhesive and sealant developed specifically for automobile engines. This flexible, non-corrosive compound can withstand engine heat intermittently up to 600°F. It resists oil, water and ethylene glycol and is oxygen sensor safe. It is easy to apply and cures quickly for added efficiency. Only available in black.
Acting as both a flexible adhesive and a durable sealant for automobile engines, our 3M™ High Temp Silicone Gasket is a fast and cost-effective alternative to hard and/or custom gaskets.
Premium grade black silicone compound for form-in-place gasketingHigh Performance, High Heat Gaskets in a 3-oz. Tube
Acting as both a flexible adhesive and a durable sealant for automobile engines, our 3M™ High Temp Silicone Gasket is a fast and cost-effective alternative to hard and/or custom gaskets. This versatile form-in-place engine gasket compound can be applied to areas including valve covers, oil and transmission pans, intake manifolds, water pumps, timing chain covers and thermostat housings — it can withstand heat intermittently up to 600°F (301° C).