Loctite 37397 PST High Temperature Thread Sealant - 1.69 oz.
Loctite 592 PST 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 other tape. Parts may be repositioned up to 24 hours after application. Works to 400 degrees F. Suggested applications:  Head bolts into through holes, oil psi sending units and sensors, oil and coolant lines, fuel fittings, rear axle fill plug, brake and power steering fittings.