Mishimoto Racing Thermostat

2003–2010 Dodge Neon SRT4 2.4L Turbo, 2007–2010 Jeep Wrangler 3.8L V6

Part #: MMTS-WRA-03L

Overview

The Mishimoto Racing Thermostat is a precision-engineered cooling system upgrade designed for select Dodge Neon and Jeep Wrangler models equipped with 2.4L turbocharged and 3.8L V6 engines. By lowering the thermostat opening temperature from the factory standard, this component enhances coolant flow earlier in the engine’s warm-up cycle, promoting more efficient heat dissipation and improved engine temperature management.

Ideal for enthusiasts who demand reliable performance during spirited driving, towing, or off-road adventures, the Mishimoto Racing Thermostat helps reduce engine operating temperatures, minimizing the risk of overheating and engine wear. This thermostat is a direct-fit replacement that balances improved cooling efficiency with proper engine warm-up, ensuring dependable operation in both daily driving and extreme conditions.

Key Features

Engineered to optimize your vehicle’s cooling system, the Mishimoto Racing Thermostat offers the following benefits:

• Opens at a lower temperature of 180°F (82°C) versus the factory 195°F (90.5°C) for earlier coolant circulation
• Reduces overall engine operating temperatures to improve reliability and longevity
• Enhances cooling efficiency during high-load scenarios such as towing, off-roading, and spirited driving
• Precision-engineered for direct fitment on 2003–2010 Dodge Neon SRT4 2.4L Turbo and 2007–2010 Jeep Wrangler 3.8L V6 engines
• Constructed to withstand harsh driving environments, thermal cycling, and corrosion
• Compatible with original cooling system components for seamless installation
• Backed by the Mishimoto Limited Lifetime Warranty for long-term peace of mind

Construction & Design

The Mishimoto Racing Thermostat is manufactured from high-quality materials designed to endure the rigors of both daily driving and demanding off-road conditions. Its robust construction resists corrosion and thermal fatigue, ensuring consistent performance over time. The thermostat’s calibrated opening temperature is carefully set to optimize coolant flow without compromising engine warm-up times, striking an ideal balance between performance and efficiency.

Installation & Fitment

This thermostat is a direct replacement for the factory unit on compatible Dodge Neon and Jeep Wrangler models, requiring no modifications to the existing cooling system. Installation is straightforward and compatible with OEM components, allowing for a seamless upgrade. While the installation process is simple, professional installation is recommended to guarantee proper sealing and optimal function.

What's Included

• 1 x Mishimoto Racing Thermostat
• Mishimoto Limited Lifetime Warranty documentation

Ideal For

This thermostat is perfect for Dodge Neon SRT4 and Jeep Wrangler owners who frequently drive in warm climates, tow heavy loads, or engage in off-road activities that place additional stress on the engine cooling system. It is also an excellent upgrade for anyone seeking to improve engine reliability and reduce wear caused by elevated operating temperatures, ensuring your vehicle performs reliably under demanding conditions.

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.