Mishimoto Racing Thermostat 03-06 Nissan 350Z / 03-07 Infiniti G35 155 Deg F | 155°F Opening Temperature | High-Performance Cooling Thermostat

Overview

The Mishimoto Racing Thermostat for the 03-06 Nissan 350Z and 03-07 Infiniti G35 is designed to improve engine cooling efficiency, especially for vehicles with modified or turbocharged setups. By opening at a lower temperature than factory thermostats, this racing thermostat allows coolant to circulate sooner, reducing peak engine temperatures and helping maintain consistent thermal management under demanding conditions. This product is ideal for enthusiasts looking to protect their engines from overheating during spirited driving or track use.

Mishimoto’s approach to cooling components focuses on precision engineering and durability. This thermostat is crafted to meet the rigorous demands of performance applications while maintaining reliable operation. The 155°F opening temperature is carefully selected to balance quicker coolant flow without compromising engine warm-up times, ensuring optimal performance and longevity.

For Nissan 350Z and Infiniti G35 owners, especially those with upgraded turbo systems or increased power output, managing engine temperature is critical. This thermostat helps prevent heat soak and reduces the risk of overheating, which can lead to power loss or engine damage. Installing the Mishimoto Racing Thermostat is a practical upgrade that supports sustained performance and reliability on and off the track.

Features & Specifications

This Mishimoto Racing Thermostat is engineered for the Nissan 350Z (03-06) and Infiniti G35 (03-07) platforms and features a 155°F opening temperature. Constructed from high-quality materials, it delivers enhanced cooling efficiency for enthusiasts seeking improved thermal management and engine protection.

• Brand: Mishimoto
• Product: Racing Thermostat 03-06 Nissan 350Z / 03-07 Infiniti G35 155 Deg F
• Part Number: MMTS-350Z-03L
• Fitment: 03-06 Nissan 350Z / 03-07 Infiniti G35
• Material: High-grade metal alloy
• Finish: Natural metal finish
• Construction: Precision engineered valve mechanism
• Origin: Made in USA
• Opening Temperature: 155°F (68°C)

Key Benefits

• Cooling Efficiency: Opens at a lower temperature to circulate coolant sooner, reducing engine heat buildup.
• Engine Protection: Helps prevent overheating and heat soak, critical for turbocharged and modified engines.
• Durability: Built with high-quality materials for reliable performance under high-stress conditions.
• Fitment Precision: Designed specifically for Nissan 350Z and Infiniti G35 models for direct replacement.
• Performance Consistency: Maintains stable engine temperatures during aggressive driving and track use.

What's Included

• 1× Mishimoto Racing Thermostat 03-06 Nissan 350Z / 03-07 Infiniti G35 155 Deg F
• Installation instructions

Installation & Compatibility

Installation of the Mishimoto Racing Thermostat is straightforward for those with basic mechanical skills and common hand tools. It replaces the factory thermostat directly without modification. However, professional installation is recommended if you are unfamiliar with coolant system components or want to ensure proper sealing and coolant system bleeding. No tuning is required for this thermostat, but always verify compatibility with your specific model year and engine configuration before purchase.

• Professional Installation: Recommended for best results
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific year and trim level

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