539810R1 Temperature Control Knob Fits Case IH Combine Models 1644 1666 1688 model-294 it fits a wide range

it fits a wide range of Fits Caterpillar articulated dump trucks

75" (19mm)

900 Series (-Both Gas 1958-62 and 1955-57)

6404D (early Power Booster engine

539810R1 Temperature Control Knob Fits Case IH Combine Models 1644 1666 1688 model-294 it fits a wide rangeOne (1) New Aftermarket Replacement Temperature Knob Fits International Harvester Tractor Models: 1086, 1486, 1586, 3088, 3288, 3388, 3488, 3588, 3688, 3788, 5088, 5288, 5488, 6388, 6588, 6788, 7288, 7488, 786, 886, 986, Hydro 186 Fits Case IH Combine Models: 1644, 1666, 1688, 1800, 1822, 1844, 2022, 2044, 2055 Tech Info: Works on blower switch. Thermostatic switch, heater control and wiper switch. D shaft flat at 12 o'clock point at 6 o'clock