The Motorcraft Thermostat is a direct fit OEM replacement that guarantees the same performance and quality provided by the vehicle manufacturer. Product Features:Heavy-duty quality for long lifeStainless steel or brass bridge and spring frame, channel-constructed for strength and rigidityStainless steel, tapered-end pistons with flexible elastomeric bootsStreamlined venturi nozzle for maximum coolant flowBrass cover and guide for heat motor pistonMounting flange designed to properly fit and seat the thermostat in the housingStainless steel spring offers precise operating compressionHeat motor in high-strength brass housingRulon seal for heat motor pistonSpecially formulated expansive wax compound
