Four Seasons 36493 HVAC Cut-Off Switch

Four Seasons Pressure Switch 36493

The Four Seasons 36493 pressure switch is a system-mounted HVAC cut-off switch built for high-pressure A/C protection. It uses a 12-volt, 2-terminal pin design with a female connector and 10mm x 1.25 female fitting thread size for direct service on supported Chrysler, Dodge, and Jeep applications.

Four Seasons Pressure Switch line components are built for HVAC service work where accurate pressure control matters. This pressure switch is a closed-comp circuit style, uses plastic and metal construction, and meets or exceeds OEM requirements for the listed applications.

Key Features

• Part number 36493 pressure switch for high cut-out HVAC service
• System-mounted design for high-pressure A/C circuit protection
• Closed circuit operation with 475 psi off pressure
• 12-volt electrical design with 2 pin terminals
• Female connector and female 10mm x 1.25 fitting thread
• Weather Pack sealed connection
• Meets or exceeds OEM requirements

Detailed Description

This Four Seasons HVAC cut-off switch is used in high-pressure A/C systems to monitor refrigerant pressure and interrupt compressor operation when pressure rises beyond the specified limit. The 36493 pressure switch is a direct-fit style service part for vehicles including Dodge Dakota, Dodge Ram 1500, Dodge Ram 2500, Dodge Ram 3500, Jeep Grand Cherokee, Jeep Cherokee, Jeep Wrangler, and Jeep TJ within the listed model years. This part cross-references UAC SW11165C for the same application.

Built with a plastic and metal housing, the switch is configured for system-mounted installation and uses a female connector with pin terminals. The 475 psi off setting and 300 psi on setting support high-pressure A/C cut-out operation in the specified HVAC system layouts.

What It Is Used For

• Restoring high-pressure A/C cut-off function on supported Dodge Dakota and Ram trucks
• Replacing a failed HVAC pressure switch on Jeep Grand Cherokee, Cherokee, Wrangler, and TJ models
• Addressing compressor shutdown caused by pressure switch electrical faults
• Correcting A/C system protection issues tied to high-pressure cutoff operation
• Servicing oval-connector high-pressure A/C system-mounted applications noted in fitment

Installation Notes and Tips

• Verify the connector style, fitting thread size, and system-mounted location before installation.
• Confirm the vehicle uses the listed high-pressure A/C switch application for the exact year and model.
• Inspect the connector, terminals, and sealing surfaces for corrosion or damage before reconnecting.
• Recover refrigerant and follow proper HVAC service procedures before removing the switch.
• Use the fitment notes to match oval-connector applications where specified.

Quality Assurance

Four Seasons 36493 is listed as meeting or exceeding OEM requirements for the covered applications, providing an OE-style replacement for supported Chrysler, Dodge, and Jeep HVAC systems.