OEM specified. The original Permatex® Blue now with low odour formula. Will not foul oxygen sensors. Replaces almost any cut gasket. Makes reliable “formed-in-place” gaskets that resist cracking, shrinking and migrating. Coats pre-cut gaskets to increase reliability. Temperature range -54°C to 260°C intermittent; resists auto and shop fluids. Suggested Applications: Valve covers, oil pans, timing covers, water pumps, and thermostat housings.