Four Seasons 20027 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for Ford, Mazda, and Mercury

The Four Seasons Temperature Switch 20027 is designed to maintain optimal engine temperature by controlling the cooling fan operation. Engineered for radiator mount installation, this temperature switch is compatible with select Ford, Mazda, and Mercury models, including the Ford Escort and Mazda Protege.

• Oval-shaped female connector with 2 terminals for secure electrical connection
• Fitting thread size M12 x 1.50 for precise radiator mount installation
• Temperature activation range: turns fan on at 239°F and off at 221°F
• Designed to meet or exceed OEM specifications for reliable performance
• Part number 20027 ensures exact fit for specified vehicle models

About the Four Seasons Temperature Switch Product Line

The Temperature Switch line by Four Seasons focuses on temperature-sensitive components that regulate engine cooling fan operation. This product line offers switches engineered to activate and deactivate the cooling fan based on precise temperature thresholds, helping maintain engine efficiency and prevent overheating. The 20027 switch is part of this line, providing dependable radiator mount temperature control for compatible vehicles.

Product Details and Specifications

This engine cooling fan switch features an oval-shaped female connector with two terminal pins, ensuring a secure and reliable electrical connection. The switch mounts directly to the radiator using an M12 x 1.50 fitting thread, providing a stable and accurate installation point. It functions as a temperature switch, activating the cooling fan when the engine temperature reaches 239°F and turning it off at 221°F. This precise control helps maintain optimal engine operating temperatures.

Common Applications and Problem Solving

• Prevents engine overheating by activating the cooling fan at the correct temperature
• Ensures cooling fan turns off to avoid unnecessary power consumption
• Replaces faulty or worn temperature switches in Ford Escort, Mazda Protege, and Mercury Tracer models
• Helps maintain consistent engine temperature for improved performance
• Addresses radiator mount switch failures that cause erratic fan operation

Installation Notes and Tips

• Ensure the radiator mount fitting thread (M12 x 1.50) matches your vehicle’s specifications
• Disconnect the battery before installation to prevent electrical shorts
• Verify the oval-shaped female connector aligns properly with the vehicle wiring harness
• Use appropriate tools to avoid damaging the fitting thread during installation
• Test fan operation after installation to confirm proper switch function

Quality Assurance and Warranty

The Four Seasons Temperature Switch 20027 is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This part undergoes rigorous quality control to maintain consistent temperature activation thresholds and secure electrical connections. Warranty coverage details should be confirmed with the product documentation or supplier.