Fits MX100, MX110, MX120, MX135, MX150 AND MX170 Case/IH Tractors
Also Fits P140, PX140, P170, PX170, 6591T, 6591TA And Ford/New Holland S140, SE140, S170, SE170 Case/IH Irrigation Power Units
Can use Plastic/Aluminum - AR1221
For Radiator Cap order 21-22