HomeHVAC > SwitchesFour Seasons 20054 HVAC Cut-Off Switch
Part #: 20054

Four Seasons 20054 HVAC Cut-Off Switch

Pressure Switch
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Pressure Switch
Fitment: Ford and Mercury, Ranger, Explorer, Explorer Sport Trac, and Mountaineer
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Reliable HVAC Pressure Switch for Ford and Mercury Vehicles

The Four Seasons Pressure Switch 20054 is designed to maintain optimal HVAC system performance in select Ford and Mercury models. This system-mounted pressure switch ensures precise control of your vehicle's air conditioning system by monitoring refrigerant pressure levels.

  • Compatible with Ford Explorer, Explorer Sport Trac, Mountaineer, and Ranger models
  • High cut-out style with operate psi high on at 280 and off at 485 psi
  • Durable plastic and metal construction with weather pack connector
  • Female round connector with 2-pin terminals for secure electrical connection
  • Meets or exceeds OEM specifications for reliable performance
  • Fitting thread size: 10mm x 1.25 with female fitting gender
  • Voltage rating: 12 volts

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch line offers precision-engineered HVAC cut-off switches designed to protect and regulate automotive air conditioning systems. The Pressure Switch 20054 is part of this line, providing a high cut-out style switch that activates and deactivates based on system pressure thresholds to prevent damage and maintain system efficiency.

Detailed Product Description

This HVAC cut-off switch features a closed compressor open/closed design and is system mounted for direct pressure monitoring. The switch operates at a high cut-out pressure, turning on at 280 psi and off at 485 psi to safeguard the air conditioning system from excessive pressure. Its brown color housing contains durable plastic and metal materials, ensuring long-lasting service life. The female round connector with two pin terminals and weather pack compatibility allows for secure and weather-resistant electrical connections. The fitting thread size of 10mm x 1.25 and female fitting gender make installation straightforward on compatible vehicles.

Common Applications and Issues Addressed

  • Prevents compressor damage due to high refrigerant pressure
  • Maintains proper HVAC system cycling for consistent cooling
  • Protects against system overpressure shutdowns
  • Ensures reliable operation in Ford Explorer and Mercury Mountaineer HVAC systems
  • Resolves intermittent air conditioning cut-off problems related to pressure switch failure

Installation Notes and Tips

  • Ensure system is depressurized before removal or installation
  • Verify correct thread size (10mm x 1.25) and connector type for compatibility
  • Use the included harness connector (part number 37235) for proper electrical connection
  • Check for secure mounting at the system location to avoid vibration damage
  • Confirm voltage rating of 12 volts matches vehicle specifications

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20054 meets or exceeds OEM standards, providing dependable performance for your HVAC system. Constructed with quality plastic and metal materials and featuring a weather pack connector, this switch is built to withstand automotive environmental conditions. Warranty details should be confirmed with the parts provider or manufacturer.

BrandFour Seasons
Part Number20054
PositionPressure Switch
ColorBrown
Comp Open/ClosedClosed
Connector GenderFemale
Connector ShapeRound
DescriptionSwitch-Pressure /System Mount
Fitting GenderFemale
Fitting Thread Size10mm x 1.25
Harness Connector[37235] / Harness Connector
Item Included A Desc24606
Item Included A Qty.1
MaterialPlastic / Metal
Meets / Exceeds OEM?YES
Mnt Sys LocSystem Mounted
Number of Terminals2
Off Pressure485
Operate Psi High Off485
Operate Psi High On280
StyleHigh Cut-Out
Terminal TypePin
TypePressure
Voltage12
Weather Pack?Yes

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordRanger4.0LV6N/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2010FordExplorerN/AHigh Pressure A/C System Mounted; w/ Rear AC; Pressure Switch
2010FordExplorer Sport TracN/AHigh Pressure A/C System Mounted; w/ Rear AC; Pressure Switch
2010FordRanger4.0LV6N/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2009FordExplorerN/AHigh Pressure A/C System Mounted; w/ Rear AC; Pressure Switch
2009FordExplorer Sport TracN/AHigh Pressure A/C System Mounted; w/ Rear AC; Pressure Switch
2009FordRanger4.0LV6N/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2005FordExplorerN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2005FordExplorer Sport TracN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2005MercuryMountaineerN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2004FordExplorerN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2004FordExplorer Sport TracN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; Pressure Switch
2004MercuryMountaineerN/AFitment Note: HVAC Cut-Off Switch for High Pressure A/C System Mounted; 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:

111200541551166171152319194739200542078524C4Z13K359AA4C4Z19D594A6L2Z19D594AA904621A07852F3AH19D594CAF3AZ19D594CMT1194SW11167SW11167CSW6092SW6393

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