Stant 48798 XACTstat Thermostat The Stant XACT stat thermostat exactly matches the original equipment thermostat that came with your vehicle when it rolled off the assembly line All manufacturer/vehicle specific features present on the original thermostat are incorporated into the Stant XACT stat thermostat for your vehicle Thermostats that originally came with jiggle pins or check valves for air venting, integral seals, and integrated water outlet housings are exactly like the original equipment units The unique properties of the Stant ELAC thermostat heat motor results in a consistent and precise response to the cooling system's needs - achieving the exact OEM calibration required Rigidly controlled manufacturing processes to world-class standards; 100% calibration is conducted for each thermostat's heat motor to guarantee quality and performance; 180 F opening temperature