Four Seasons 36575 A/C Condenser Fan Switch

Four Seasons 36575 Pressure Switch

The Four Seasons Pressure Switch, part number 36575, is a system-mounted A/C condenser fan switch built for Mercedes-Benz high-side pressure control. It uses a red wire-lead connector with a 2-terminal male connection and a 3/8 in. x 24 fitting thread size for direct replacement service.

Four Seasons Pressure Switch line components are built for HVAC service work where accurate pressure-based fan operation matters. This condenser fan switch is a pressure-style, system-mounted design with an open fan setting and plastic/metal construction, and it meets or exceeds OEM requirements.

• Part number 36575 for A/C condenser fan switch replacement
• System-mounted pressure switch for condenser fan control
• Red wire-lead connector, male, 2-terminal design
• 3/8 in. x 24 fitting thread size
• Open fan operation with 155 psi off and 220 psi on settings
• Plastic and metal construction
• Meets or exceeds OEM specifications

Detailed Product Overview

This Four Seasons 36575 pressure switch is used in Mercedes-Benz HVAC systems to monitor refrigerant pressure and trigger condenser fan operation at the specified pressure thresholds. It is a direct-fit style replacement for service on models such as the Mercedes-Benz 190E, 300E, 300SE, 300TE, 420SEL, 560SEL, and related applications listed below. This part cross-references Dorman - Conduct-Tite 85216 for the same application.

Compatible With 1995 Mercedes-Benz E300, N/A; 1994-1995 Mercedes-Benz E320, N/A; 1994-1995 Mercedes-Benz E420, N/A; 1994 Mercedes-Benz E500, N/A; and additional Mercedes-Benz applications from 1986-1993, including 190E, 300CE, 300D, 300E, 300SD, 300SE, 300SL, 300TE, 400E, 500E, 260E, 300SDL, 300SEL, 350SD, 350SDL, 420SEL, 560SEC, 560SEL, 560SL, and 300TD.

What It Helps Address

• Condenser fan not switching on at the correct pressure
• A/C system pressure control faults tied to the fan switch
• Intermittent condenser fan operation
• HVAC performance issues caused by a failed pressure switch
• Mercedes-Benz A/C service replacement needs for high-side pressure control

Installation Notes and Tips

Verify the connector style, thread size, and pressure settings before installation. This switch is system mounted and uses a wire-lead, male connector; confirm the existing Mercedes-Benz high-side pressure switch matches the 3/8 in. x 24 fitting and the specified operating points. Always inspect the surrounding A/C components and refrigerant system condition during replacement.

Quality Assurance

Four Seasons lists this pressure switch as meeting or exceeding OEM requirements, making it a technical replacement choice for Mercedes-Benz condenser fan control service. Part number 36575 is built to the stated pressure specifications for consistent HVAC operation.