Mishimoto Thermoswitch Fan Switch Most Vehicle Models | 80°C Activation Temperature | Cooling System Upgrade

Overview

The Mishimoto Thermoswitch Fan Switch is a direct replacement for your vehicle’s OEM fan switch, designed to improve cooling system responsiveness by activating the radiator fan at 80°C (176°F), which is 15 degrees lower than the stock activation temperature. This upgrade is ideal for Subaru enthusiasts and other vehicle owners looking to enhance engine cooling efficiency, reduce heat soak, and maintain optimal operating temperatures under demanding conditions.

Engineered with precision and reliability in mind, the Mishimoto Thermoswitch is crafted to meet or exceed OEM standards. Its design ensures seamless integration with your existing cooling system, providing a plug-and-play solution without the need for modifications. Mishimoto’s commitment to quality and performance makes this fan switch a trusted choice for those who demand consistent cooling performance and durability.

Lowering the fan activation temperature helps maintain safer engine temperatures during spirited driving, towing, or hot weather conditions, which can be particularly beneficial for Subaru WRX, STI, and other performance models prone to heat buildup. This simple yet effective upgrade supports longevity and performance by preventing overheating and reducing thermal stress on engine components.

Features & Specifications

This Mishimoto Thermoswitch Fan Switch is engineered for most vehicle models and features an 80°C activation temperature. Constructed from high-quality materials, it delivers reliable cooling fan control for enthusiasts seeking improved thermal management and engine protection.

• Brand: Mishimoto
• Product: Thermoswitch Fan Switch
• Part Number: MMFAN-SWITCH
• Fitment: Most Vehicle Models
• Material: Durable metal and high-grade components
• Finish: Corrosion-resistant coating
• Construction: Precision engineered, direct OEM replacement
• Origin: Not specified
• Activation Temperature: 80°C (176°F)
• OEM Activation Temperature: Approximately 95°C (203°F)

Key Benefits

• Cooling Efficiency: Activates radiator fan earlier to reduce engine temperatures and prevent overheating.
• Durability: Built with high-quality materials for long-lasting performance and corrosion resistance.
• Fitment: Direct OEM replacement ensures easy installation without modifications.
• Engine Protection: Helps maintain optimal operating temperatures, reducing thermal stress on engine components.
• Performance Reliability: Ideal for Subaru WRX, STI, and other performance vehicles that benefit from enhanced cooling control.
• Value: Simple upgrade that can extend engine life and improve reliability under demanding conditions.

What's Included

• 1× Mishimoto Thermoswitch Fan Switch
• Installation instructions

Installation & Compatibility

Installation of the Mishimoto Thermoswitch Fan Switch is straightforward and designed to be a direct replacement for the OEM fan switch, making it a DIY-friendly upgrade for most enthusiasts. No special tools beyond basic hand tools are typically required. This switch fits most vehicle models, but it is important to verify compatibility with your specific make and model before installation. No tuning or additional modifications are necessary, as the switch functions as a plug-and-play component within the existing cooling system.

• Professional Installation: DIY-Friendly
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific vehicle make, model, and year

Shop with confidence at Subimods—your Subaru parts specialists.