Item: Heater A/C Temperature Control Module Control Assembly Heater. Part Number: 3518702C93 3518702C92 703460AT 5011931R91. Compatiable with: Fit for 2000-2017 for 5500I 5600I 5900I 9100 9200 9400 9900,2011-2020 for CAT CT660,2017-2021 for HX515 HX520 HX615 HX620. Function: Heater A/C Temperature Control Module helps maintain the desired indoor climate. It intelligently adjusts the heating or cooling output to match the thermostat settings and current room conditions. This active management helps achieve a consistent temperature throughout your living spaces. Colour:Black Material:ABS Package Contents: 1 x Heater A/C Temperature Control Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.