Four Seasons HVAC Cut-Off Switch P/N:20054
Help protect your air-conditioning compressor with this Four Seasons switch, part number 35866, a system-mounted low cut-out pressure switch (listed as an HVAC cut-off switch) designed to interrupt compressor operation when refrigerant pressure drops below its cut-out point. It fits many vehicles, among them the 1981-1983 Plymouth Sapporo, 1981-1982 Plymouth Arrow Pickup and 1981-1982 Plymouth Champ, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list and engine details.
This switch is built for vehicle-specific applications, and Four Seasons backs its products with over 50 years of mobile A/C experience.
Signs this switch may need replacing include a compressor that will not engage or an A/C system blowing warm air. A low refrigerant charge can cause the same symptoms, so check system pressure and diagnose the cause before replacing the switch. If a failed low cut-out switch is the cause, part number 35866 replaces it.
What does the Four Seasons 35866 switch do?
It is a system-mounted low cut-out pressure switch. It is designed to interrupt A/C compressor operation when refrigerant pressure drops below its cut-out point, which helps protect the compressor.
Is this the right Champ switch for my Plymouth?
Four Seasons 35866 is listed as a direct-fit replacement for the 1981-1982 Plymouth Champ. Check the Buyer's Guide tab to confirm your exact vehicle.
What other vehicles does this pressure switch fit?
It fits many vehicles, including the 1981-1983 Plymouth Sapporo and the 1981-1982 Plymouth Arrow Pickup. The Buyer's Guide tab has the full list.
What comes with the switch?
The switch comes with the gaskets, O-rings or seals needed to properly replace it. It is zinc coated to resist corrosion and color coded for easy identification.
How do I know if my low-pressure cut-out switch is bad?
A compressor that won't engage or A/C that blows warm can be signs of a failed switch. A low refrigerant charge causes the same symptoms, so check system pressure before replacing it.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.