High-quality silicone, safe for lambda probes, meets the requirements of car manufacturers (O.E.M. Original Equipment Manufacturer). It replaces traditional cork, paper, felt, asbestos and rubber seals. Thanks to the SENSOR SAFE formula, it does not damage lambda probes in modern cars with electronic fuel injection. Resistant to oil, lubricants, coolants, etc. Can be used in all types and brands of cars to seal the lid of the thermostat compartment, oil pans, water pump lid, ends of cooling connections and others. Silicones in the color RED, BLACK are resistant to temperatures up to +350 °C.