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Four Seasons 36665 HVAC Cut-Off Switch
Four Seasons 36665 Pressure Switch Overview
Four Seasons Pressure Switch 36665 is a system-mounted HVAC cut-off switch built for low-pressure A/C protection. It uses a black steel body, an open connector shape, and a 2-terminal layout with a 3/8 in. x 24 fitting thread size for direct pressure-switch service on the HVAC system.
Compatible With Chrysler Town & Country, Dodge Caravan, Dodge Grand Caravan, Plymouth Voyager, Plymouth Grand Voyager, Chrysler New Yorker, and Chrysler Imperial applications listed below, this Four Seasons 36665 pressure switch meets or exceeds OEM requirements and is specified as a low cut-out style switch.
Key Features
- Four Seasons Pressure Switch line for HVAC pressure control
- Part number 36665 for direct reference and ordering
- Low cut-out switch with 42 psi low-off and 43 psi low-on operation
- System-mounted design for HVAC pressure switch service
- Steel construction with black finish
- Open connector shape with 2 terminals
- 3/8 in. x 24 fitting thread size
- Meets or exceeds OEM specifications
Detailed Description
The Four Seasons Pressure Switch 36665 is an HVAC cut-off switch used to monitor refrigerant system pressure and interrupt compressor operation when pressure drops below the specified threshold. This low-pressure switch is built with a steel housing, open connector design, and system-mounted configuration for service on the vehicle HVAC system. The 42 psi low-off and 43 psi low-on settings support pressure-based compressor control in the applications listed.
This part cross-references DENSO Auto Parts 5027 for the same application. If you are replacing a failed A/C pressure switch on a Chrysler Town & Country, Dodge Caravan, or Dodge Grand Caravan, Four Seasons 36665 provides an OE-style replacement path with the correct thread size, terminal count, and mounting style.
What This Part Helps Address
- A/C compressor cycling caused by low refrigerant pressure switch faults
- Compressor shutdown from an open or inaccurate HVAC cut-off switch
- Intermittent A/C operation related to pressure switch electrical failure
- Incorrect pressure readings at the HVAC system-mounted switch
- Replacement needs for a worn or damaged low-pressure cut-out switch
Installation Notes and Tips
- Verify the connector shape, terminal count, and 3/8 in. x 24 thread size before installation.
- Confirm the vehicle uses the listed low-pressure A/C cut-off switch application.
- Inspect the harness connector and related HVAC wiring for corrosion or damage during replacement.
- Recover refrigerant and follow proper HVAC service procedures before removing the switch.
- Use the vehicle service information to confirm pressure-switch location on the system-mounted HVAC assembly.
Quality Assurance
Four Seasons 36665 is listed as meeting or exceeding OEM requirements for the specified HVAC pressure-switch application. The Four Seasons Pressure Switch line is built for direct-fit service in supported Chrysler, Dodge, and Plymouth vehicles.
| Brand | Four Seasons |
|---|---|
| Part Number | 36665 |
| Position | Pressure Switch |
| Color | Black |
| Comp Open/Closed | Open |
| Connector Shape | Open |
| Description | Switch-Pressure /System Mount |
| Fitting Thread Size | 3/8 in. x 24 |
| Harness Connector | [37219] / Harness Connector |
| Item Included A Desc | 24606 |
| Item Included A Qty. | 1 |
| Material | Steel |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | System Mounted |
| Number of Terminals | 2 |
| Operate Psi Low Off | 42 |
| Operate Psi Low On | 43 |
| Style | Pressure |
| Type | Low Cut-Out |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Chrysler | Town & Country | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1993 | Dodge | Caravan | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1993 | Dodge | Caravan | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1993 | Dodge | Grand Caravan | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1993 | Plymouth | Grand Voyager | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1993 | Plymouth | Voyager | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1993 | Plymouth | Voyager | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1992 | Chrysler | New Yorker | Salon | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch |
| 1992 | Chrysler | Town & Country | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1992 | Dodge | Caravan | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1992 | Dodge | Caravan | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1992 | Dodge | Grand Caravan | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1992 | Plymouth | Voyager | 2.5L | L4 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1991 | Chrysler | Imperial | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1991 | Chrysler | New Yorker | Salon | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch |
| 1991 | Chrysler | Town & Country | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1991 | Dodge | Caravan | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1991 | Dodge | Caravan | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1991 | Dodge | Grand Caravan | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1991 | Plymouth | Grand Voyager | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1991 | Plymouth | Voyager | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1991 | Plymouth | Voyager | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1990 | Chrysler | Imperial | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1990 | Chrysler | New Yorker | Landau | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | ||
| 1990 | Chrysler | New Yorker | Salon | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | ||
| 1990 | Chrysler | Town & Country | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1990 | Dodge | Caravan | 3.3L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1990 | Dodge | Caravan | 3.0L | V6 | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |
| 1990 | Dodge | Grand Caravan | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1990 | Plymouth | Grand Voyager | N/A | Mount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch | |||
| 1990 | Plymouth | Voyager | 3.0L | V6 | N/A | Mount 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.