Engine Cooling Fan Switch

Description

Walker Products Engine Cooling Fan Switches are OE Replacement components that regulate the operation of electric radiator or condenser fans based on engine coolant temperature. This simple yet critical component closes or opens the circuit at a precise temperature threshold—signaling the fan to activate when cooling is needed and shut off when optimal temperature is reached. A failed or misfiring fan switch can lead to overheating, extended fan operation, or poor air conditioning performance. Walker fan switches are engineered to meet or exceed OE specifications for switching temperature, electrical resistance, thread size, and connector design. Built with thermally responsive elements and sealed for protection against coolant exposure and under-hood contaminants, these units deliver dependable, long-lasting performance. Designed for exact OE fit, Walker Cooling Fan Switches thread directly into the original mounting location—typically in the radiator tank, cylinder head, or thermostat housing—and connect using the factory electrical harness. Whether performing preventive maintenance, replacing a failed unit, or correcting an overheating issue, Walker Cooling Fan Switches restore reliable fan operation, protect engine components, and maintain temperature stability under all driving conditions.

Fitment

This part fits the following vehicles.

• 1998-2003 Lexus GS300
• 1998-2000 Lexus GS400
• 2001-2003 Lexus GS430
• 1995-2000 Lexus LS400
• 1992-2001 Toyota Camry
• 1990-1999 Toyota Celica
• 1992-1994 Toyota MR2
• 1992-1996 Toyota Paseo
• 1996-2000 Toyota RAV4
• 1999-2001 Toyota Solara
• 1990-1993 Toyota Tercel

Features & benefits

• Engineered for Durability: Built from heat-resistant, corrosion-proof materials to withstand high-temp and pressurized cooling environments.
• OE Replacement Calibration: Matches factory switching temperature, thread pitch, and electrical connection for seamless system integration.
• Exact OE Fit: Designed to install in the original location with 100% compatibility—no trimming, wiring, or reprogramming required.
• Activates Cooling Fan at Set Temperature: Controls electric fan operation based on coolant temperature to prevent engine overheating.
• Restores Cooling System Performance: Helps resolve overheating, excessive fan cycling, and A/C performance issues caused by faulty switches.

Specifications

Warranty

1 Year

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).