Four Seasons 37800 Engine Cooling Fan Temperature Switch

Reliable Engine Cooling Fan Temperature Switch for Mercedes-Benz and Nissan

The Four Seasons Temperature Switch part number 37800 is designed to maintain optimal engine temperature by controlling the cooling fan operation. Compatible with select Mercedes-Benz and Nissan models, this temperature switch ensures your vehicle's cooling system functions efficiently.

• Single terminal quantity with a male connector for secure electrical connection
• Engine cooling fan temperature switch designed for radiator mounting
• Activates at 212°F to regulate cooling fan operation
• Meets or exceeds original equipment manufacturer (OEM) specifications
• System mount style for straightforward installation

About the Four Seasons Temperature Switch Product Line

The Temperature Switch line by Four Seasons focuses on precision-engineered components that regulate engine cooling fan activation based on temperature thresholds. This product line is developed to meet or exceed OEM standards, providing reliable temperature sensing and switching functionality. The 37800 switch is part of this line, offering consistent performance for vehicles requiring accurate temperature control to prevent overheating.

Detailed Product Description

The Four Seasons 37800 Engine Cooling Fan Temperature Switch is a temperature-activated switch designed to mount on the radiator system. It features a single male terminal for electrical connection and is calibrated to activate the cooling fan at 212 degrees Fahrenheit. This switch plays a critical role in maintaining engine temperature by signaling the cooling fan to engage when the engine reaches the specified temperature. Compatible with Mercedes-Benz models such as 190E, 300D, 300SD, 300TD, 380SE, 380SEC, 380SEL, 380SL, 500SEC, 500SEL, and Nissan Maxima, this switch ensures proper cooling system operation tailored to these vehicles.

Common Applications and Issues Addressed

• Prevents engine overheating by activating the cooling fan at the correct temperature
• Replaces faulty or worn temperature switches causing cooling fan failure
• Restores proper radiator fan control in Mercedes-Benz 300SD and Nissan Maxima models
• Helps maintain consistent engine temperature for improved performance and longevity
• Solves intermittent cooling fan operation due to switch malfunction

Installation Notes and Tips

Installation of the Four Seasons 37800 temperature switch requires mounting on the radiator system in the designated location. Ensure the electrical connection is secure with the male terminal to prevent loose contacts. It is recommended to verify the temperature switch activation point and test the cooling fan operation after installation. Use appropriate tools to avoid damage to the switch or radiator components during installation.

Quality Assurance and Warranty

This temperature switch meets or exceeds OEM specifications, ensuring reliable performance and durability. Four Seasons products are manufactured under strict quality control standards. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.