Four Seasons 20032 Engine Cooling Fan Switch

Engine Cooling Fan Switch for Toyota and Lexus

Four Seasons Temperature Switch 20032 is an engine-mounted cooling fan switch built for direct temperature control in the cooling system. It uses a brass body, M16-1.50 fitting thread, and a female connector interface to support reliable fan operation in the specified Toyota and Lexus applications.

Compatible With 1995-2007 Toyota Camry, Avalon, Solara, Highlander, and Sienna, plus Lexus ES300, RX300, and LX470 applications where an engine-mounted temperature switch is specified. Four Seasons 20032 is an OE-style replacement that meets or exceeds OEM requirements.

Key Features

• Brand: Four Seasons Temperature Switch
• Part number: 20032
• Engine cooling fan switch with engine-mounted design
• Brass construction for durability in cooling system service
• M16-1.50 fitting thread size
• Female connector interface with black or gray connector color references
• Oval or square connector shape references
• Temperature off at 196 and temperature on at 205
• Meets or exceeds OEM requirements

Product Details

This Four Seasons temperature switch is used to control cooling fan operation based on engine temperature. The switch opens and closes at the specified temperature range to help regulate fan engagement in vehicles that rely on an engine-mounted coolant fan switch. It is a direct-fit style replacement for applications calling for Four Seasons 20032, including Toyota Camry, Toyota Avalon, Toyota Solara, Toyota Highlander, Toyota Sienna, Lexus ES300, Lexus RX300, and Lexus LX470.

This part cross-references Four Seasons 20032 for the same application.

Common Issues It Can Address

• Cooling fan not switching on at the correct temperature
• Cooling fan staying on longer than expected
• Temperature-related fan control faults in the engine-mounted switch circuit
• Overheating concerns caused by a failed fan temperature switch
• Intermittent fan operation tied to a worn coolant fan switch

Installation Notes

• Verify the vehicle uses an engine-mounted temperature switch with a 1-terminal connection.
• Confirm the fitting thread size is M16-1.50 before installation.
• Match the connector style and terminal configuration to the original part.
• Inspect the cooling system and connector condition before replacing the switch.
• Use the vehicle service information for the correct installation procedure and torque specification.

Quality Assurance

Four Seasons 20032 is listed as meeting or exceeding OEM requirements for the specified applications. The Temperature Switch product line focuses on temperature-based engine cooling control components for service replacement use.