OEM specified. Locks and seals threaded fittings. Resists leakage, vibration loosening, moisture, hydraulic fluids and diesel fuels. Lubricates threads for easy assembly and disassembly. Won’t shred or wear like Teflon® tape. Parts may be repositioned up to 4 hours after application. Temperature range -54°C to 204°C. Contains PTFE. Suggested Applications: Head bolts into through holes, oil PSI sending units and sensors, oil and coolant lines, fuel fittings, rear axle