HomeHVAC > SwitchesFour Seasons 36665 HVAC Cut-Off Switch
Part #: 36665

Four Seasons 36665 HVAC Cut-Off Switch

Pressure Switch
⚙️ 31 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pressure Switch
🚗Fitment: Chrysler, Dodge, and Plymouth, Town & Country, Caravan, Grand Caravan, Grand Voyager, Voyager, New Yorker, Dynasty, Imperial, and TC Maserati
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Overview of Four Seasons Pressure Switch 36665

The Four Seasons Pressure Switch 36665 is a system-mounted HVAC cut-off switch designed for select Chrysler, Dodge, and Plymouth vehicles. Engineered to meet or exceed OEM specifications, this black steel pressure switch ensures reliable operation within your vehicle's air conditioning system.

  • Compatible with Chrysler Caravan, Grand Caravan, Grand Voyager, Imperial, New Yorker, Town & Country, and Voyager models
  • Operates as a low cut-out switch with pressure activation at 42 psi (off) and 43 psi (on)
  • Features a 3/8 in. x 24 fitting thread size for secure system mounting
  • Includes two terminals and an open connector shape for harness compatibility
  • Constructed from durable steel material for long-lasting performance

Detailed Product Description

The Four Seasons Pressure Switch 36665 is part of the Pressure Switch product line, which specializes in pressure-activated HVAC components designed to maintain system safety and efficiency. This particular low cut-out switch is engineered to open at 42 psi and close at 43 psi, protecting the air conditioning system from pressure irregularities. Its system-mounted design and 3/8 in. x 24 fitting thread size allow for straightforward installation and secure attachment within the HVAC system. The switch features two terminals and an open connector shape compatible with harness connector 37219, ensuring proper electrical connectivity. Constructed from steel and finished in black, this switch is built to withstand the demands of automotive HVAC environments.

Applications and Common Issues Addressed

  • Prevents compressor damage by cutting off operation at low pressure
  • Protects HVAC system from pressure-related failures
  • Ensures proper cycling of the air conditioning compressor in Chrysler Caravan and Dodge Grand Caravan models
  • Maintains system integrity in Plymouth Voyager and Town & Country vehicles
  • Helps avoid costly repairs related to pressure switch failure in compatible models

Installation Notes and Tips

  • Verify compatibility with your vehicle’s make and model before installation
  • Ensure the system is depressurized prior to removing the old pressure switch
  • Use the correct 3/8 in. x 24 fitting thread size to avoid leaks
  • Connect the harness connector 37219 securely to the switch terminals
  • Test the system pressure to confirm proper switch operation after installation

Quality Assurance and Warranty

The Four Seasons Pressure Switch 36665 meets or exceeds OEM standards, providing reliable performance for your vehicle’s HVAC system. Manufactured with high-quality steel and designed for system mounting, this switch is built to last under normal operating conditions. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number36665
PositionPressure Switch
ColorBlack
Comp Open/ClosedOpen
Connector ShapeOpen
DescriptionSwitch-Pressure /System Mount
Fitting Thread Size3/8 in. x 24
Harness Connector[37219] / Harness Connector
Item Included A Desc24606
Item Included A Qty.1
MaterialSteel
Meets / Exceeds OEM?YES
Mnt Sys LocSystem Mounted
Number of Terminals2
Operate Psi Low Off42
Operate Psi Low On43
StylePressure
TypeLow Cut-Out

This part fits 31 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1993ChryslerTown & CountryN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993DodgeCaravan3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993DodgeCaravan3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993DodgeGrand CaravanN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993PlymouthGrand VoyagerN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993PlymouthVoyager3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1993PlymouthVoyager3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992ChryslerNew YorkerSalon3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992ChryslerTown & CountryN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992DodgeCaravan3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992DodgeCaravan3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992DodgeGrand CaravanN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1992PlymouthVoyager2.5LL4N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991ChryslerImperialN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991ChryslerNew YorkerSalon3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991ChryslerTown & CountryN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991DodgeCaravan3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991DodgeCaravan3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991DodgeGrand CaravanN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991PlymouthGrand VoyagerN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991PlymouthVoyager3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1991PlymouthVoyager3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990ChryslerImperialN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990ChryslerNew YorkerLandauN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990ChryslerNew YorkerSalonN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990ChryslerTown & CountryN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990DodgeCaravan3.3LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990DodgeCaravan3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990DodgeGrand CaravanN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990PlymouthGrand VoyagerN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1990PlymouthVoyager3.0LV6N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0147896411030211136665V155844171143219189576207616211466212466228152930055301953666544621345027713666588917653A6410AC3418E807353HS466MT0470SW5230SW5230C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.