Four Seasons 36486 A/C Clutch Cycle Switch

Four Seasons 36486 A/C Clutch Cycle Switch

The Four Seasons Pressure Switch line delivers direct-fit HVAC control for vehicles that rely on accurate refrigerant pressure monitoring. Part number 36486 is a system-mount A/C clutch cycle switch with a 12-volt electrical design, 2 terminals, and a female M12 x 1.50 threaded connection.

Built with plastic and metal construction and a Weather Pack connection, this switch meets or exceeds OEM requirements for pressure-based compressor cycling. It is a practical replacement for Ford, Mercury, Mazda, and Lincoln applications where stable A/C clutch engagement is needed.

Key Features

• Four Seasons Pressure Switch line, part number 36486
• A/C clutch cycle switch with cycling pressure control
• System mount design with female M12 x 1.50 fitting
• 12-volt, 2-terminal, male pin terminal layout
• Open at 0 psi with low-off at 27 psi and low-on at 47 psi
• Plastic and metal construction with Weather Pack connection
• Meets or exceeds OEM specifications

Product Details

This pressure switch monitors refrigerant system pressure and cycles the A/C compressor clutch based on operating conditions. Four Seasons 36486 is used in HVAC systems that require a pressure-actuated switch to help maintain proper compressor operation across a wide range of Ford Crown Victoria, Mercury Grand Marquis, Ford Escape, Mazda Tribute, and related truck and van applications. This part cross-references Gates 20921 and Hayden 5002 for the same application.

What It Helps Solve

• Intermittent A/C compressor clutch cycling
• Compressor engagement issues caused by pressure switch failure
• A/C system shutdown from incorrect pressure signal input
• Poor cooling performance tied to pressure control faults
• Electrical connection problems at the HVAC pressure switch

Installation Notes and Tips

Verify the M12 x 1.50 thread, 2-terminal layout, and Weather Pack connection before installation. Confirm the vehicle’s pressure switch location and compare the original part number, connector style, and operating pressure range to the replacement. For fitment, use the vehicle application list and match the exact year and model, including Ford Crown Victoria, Mercury Grand Marquis, Ford F-150, and Mazda B3000 applications where listed.

Quality Assurance

Four Seasons 36486 is manufactured to meet or exceed OEM specifications for pressure-switch performance and fitment. The Four Seasons Pressure Switch line is built for direct replacement use in factory-style HVAC systems, including 1995-2011 Ford, Mercury, Mazda, and Lincoln applications.