Four Seasons 37329 HVAC Pressure Switch

Brand Four Seasons 37329
Description Switch-pressure /system mount
Fitting Gender Female
Fitting Thread Size M12 x 1.50
Item Included A Desc 24606
Item Included A Qty. 1
Material Plastic / metal
Meets / Exceeds OEM? Yes
Mnt Sys Loc System mount
Number of Terminals 2
Open (at 0 psi.)? Yes
Operate Psi Low Off 24
Operate Psi Low On 44
Style Cycling
Terminal Gender Male
Terminal Type Pin
Type Pressure
Voltage 12
Weather Pack? Yes
Fits —

OE-spec replacement. Meets or exceeds OEM requirements for dependable system control.

Cycling pressure switch. Automatically manages pressure changes for consistent HVAC operation.

Weather-pack sealed. Helps protect the connection from moisture and contamination.

Cross-references FEL-PRO 1438, Four Seasons 37329 and UAC SW11203C for the same application. See all 28.

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Four Seasons 37329 HVAC Pressure Switch

The Four Seasons Pressure Switch, part number 37329, is a system-mount HVAC pressure switch built for 12-volt applications with a female M12 x 1.50 fitting and 2-pin male terminals. It uses a cycling style design and meets or exceeds OEM requirements for dependable A/C pressure control.

Key Features

  • System-mount HVAC pressure switch for pressure-based A/C control
  • Female fitting with M12 x 1.50 thread size
  • 2 terminals with male pin terminals and Weather Pack connection
  • Cycling style operation with low-off at 24 psi and low-on at 44 psi
  • Plastic and metal construction
  • 12-volt electrical design
  • Meets or exceeds OEM specifications

Product Details

Four Seasons 37329 is a pressure switch used in HVAC systems that rely on cycling pressure control to manage compressor operation. The switch is mounted in the system and is specified with an open-at-0 psi design, female M12 x 1.50 threads, and a Weather Pack connector for secure electrical connection. For buyers searching for a Four Seasons pressure switch, HVAC pressure switch, or Four Seasons 37329 replacement, this part provides an OE-style solution for pressure-controlled air conditioning systems. This part cross-references UAC SW11203C for the same application.

What It Helps Address

  • Compressor cycling that is inconsistent or not responding to system pressure
  • A/C systems that fail to engage when pressure reaches the operating range
  • Pressure switch electrical faults related to worn terminals or connector issues
  • HVAC control problems caused by a failed system-mount pressure switch
  • Replacement needs for vehicles using the Four Seasons 37329 configuration

Installation Notes and Tips

Verify the thread size, terminal style, connector type, and pressure operating range before installation. Match the system-mount layout and confirm the vehicle uses a 12-volt cycling pressure switch with M12 x 1.50 female threads. For fitment-based searches, this part is commonly referenced for HVAC service on Honda Civic and related applications where the same pressure switch specification is required. Confirm the original connector and mounting location on the vehicle before replacing the switch.

Quality Assurance

Four Seasons 37329 is built to meet or exceed OEM specifications, supporting consistent fit and function in the intended HVAC application. Four Seasons pressure switch components are selected for service replacement where OE-style performance and correct electrical interface are required.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 28 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — 1438Four Seasons — 37329UAC — SW11203C71R61704379RD82190P4379RD5821904379RD582190P112655651324937329171159918038341804331221700229306158508713A03729ABPN83318184BSM651324MT1639MT1915P93CAA36041RD582190RD582190PSW11183SW11199SW11203ZGG711035