Four Seasons 20050 Compressor Mounted High Cut-Out Pressure Switch (20050). Part number: 20050.
For 1981-1991 Mack CF - Four Seasons Thermostatic Switch
For 1987-1997 Kenworth K100E - Four Seasons Thermostatic Switch
For 1987-1997 Kenworth C500 - Four Seasons Thermostatic Switch
For 1982-1988 Mack MS300P Mid-Liner - Four Seasons Thermostatic Switch
For 2011-2014 Kenworth T680 - Four Seasons Thermostatic Switch
For 1982-1988 Mack MC - Four Seasons Thermostatic Switch