The 81870363 is a genuine OEM heater resistor designed for various Fiatagri, Fiat, and New Holland agricultural tractors. This essential component regulates the blower motor speed for the cab heating and ventilation system, ensuring proper climate control. It is compatible with Fiatagri 100-90, 110-90, 115-90, 130-90, 140-90, 160-90, 180-90, F Series (F100, F110, F115, F120, F130, F140), and M Series (M100, M115, M135, M160) tractors, as well as New Holland TM Series (TM115, TM120, TM125, TM130, TM135, TM140, TM150, TM155, TM165, TM175, TM190) and TS Series (TS80, TS90, TS100, TS110, TS115) models. Ensure optimal cabin comfort and system functionality with this authentic replacement part.