Temp Temperature Thermostat Sensor Fan Switch for Honda TRX450R/ER 37750-Maz-003

Temperature Sensor Fan Switch for Honda

This temperature sensor fan switch monitors engine heat to activate the cooling fan, referencing part number 37750-Maz-003.

Overview

This temperature sensor fan switch is designed to regulate engine operating temperatures by controlling the radiator fan. Engineered for reliable thermal response, this temperature sensor fan switch ensures your cooling system engages at the correct temperature threshold. It is built for riders and mechanics who need to maintain engine cooling performance during demanding rides.

Built For Performance

• Constructed with high-conductivity brass housing for accurate temperature reading.
• Features highly sensitive thermal bi-metal contacts for precise fan activation.
• Sealed design resists water intrusion and harsh off-road vibrations.
• Direct plug-and-play connector matches factory wiring harnesses.

Fits These Machines

• for Honda TRX450R
• for Honda TRX450ER

On-The-Job Use

• Triggers the radiator fan to prevent engine overheating during slow-speed riding.
• Replaces failed sensors that prevent the cooling fan from turning on.
• Protects engine internal components from extreme thermal damage.

Specs At A Glance

Good To Know

Q: What are the signs of a failing temperature fan switch? A: Common symptoms include a cooling fan that never turns on, a fan that runs continuously, or an overheating engine during idling.

Q: Should I bleed the cooling system after replacing this sensor? A: Yes, anytime you open the cooling system, you must bleed out any trapped air pockets to ensure proper coolant circulation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.