OEM Genuine Thermostat to fit KUN26 Hilux & Prado KDJ120, KDJ150, with 1KD-FTV engines. It has an operating temperature of 82.0*DEG C, thermostats should be replaced every 100000 km as they are opening and closing to maintain the correct engine temperature all the time you are driving; they do wear out.
*** This thermostat doesn’t come with a gasket; so you will also need to order gasket part number 16346-67010.***