35250-HN4-670 35250-HN8-003 Thermostat Switch for Honda Foreman 450 2002-2004

Thermostat Switch for Honda Foreman 450

This thermostat switch, OEM cross-reference 35250-HN4-670 / 35250-HN8-003, is a temperature-sensitive electrical switch that controls cooling fan activation on Honda Foreman 450 ATVs.

Overview

This thermostat switch for Honda restores proper fan operation on Foreman 450 machines. The thermostat switch for Honda Foreman 450 reads coolant temperature and closes the fan circuit at the designed threshold to prevent overheating. It is intended for riders replacing a failed switch during cooling system service.

Built For Performance

• OEM cross-reference 35250-HN4-670 and 35250-HN8-003 for fitment matching
• Temperature-activated switching for cooling fan control
• Factory-style connector for plug-in installation
• Threaded mounting body for direct replacement
• Built to withstand repeated thermal cycling
• Reliable replacement for an erratic or failed switch

Fits These Machines

• for Honda Foreman 450 (2002-2004)

On-The-Job Use

• Trail riding with sustained low-speed sections
• Farm and ranch utility work with long idle periods
• Mud and water crossings that load the cooling system
• Routine ATV maintenance to restore fan engagement

Specs At A Glance

Good To Know

Q: What are the signs of a bad thermostat switch? A: A fan that never turns on at operating temperature, or one that runs nonstop, often points to a faulty switch. Check the fuse and wiring first, then test the switch.

Q: Is this an original Honda part? A: This is an aftermarket thermostat switch with OEM cross-references 35250-HN4-670 and 35250-HN8-003 for identification. It is not an original Honda-branded component.

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