Mishimoto Racing Thermostat

1980–2007 Dodge, Jeep, Mazda & Plymouth Applications

MMTS-MUS-86

Overview:

The Mishimoto Racing Thermostat is engineered to enhance cooling efficiency for a wide range of Dodge, Jeep, Mazda, and Plymouth vehicles spanning from 1980 to 2007. Designed specifically for engines subjected to increased thermal loads—such as those with modified or upgraded turbocharger systems—this thermostat helps maintain optimal engine temperatures under demanding conditions. By opening at a lower temperature than standard thermostats, it allows coolant to circulate sooner, reducing the risk of overheating and promoting consistent performance.

This thermostat is an ideal upgrade for enthusiasts seeking reliable temperature control without the need for extensive cooling system modifications. It offers a cost-effective solution to manage elevated engine heat, ensuring longevity and improved reliability for daily drivers and performance builds alike.

Key Features:

The Mishimoto Racing Thermostat delivers superior thermal management through precision engineering and quality construction. Key features include:

• Lower opening temperature than OEM thermostats for earlier coolant flow
• Improved cooling efficiency to reduce high engine temperatures
• Compatible with a broad range of Dodge, Jeep, Mazda, and Plymouth models
• Ideal for vehicles with turbocharged or modified engines producing additional heat
• Durable construction designed to withstand rigorous racing and street conditions
• Direct fit replacement for easy installation without modifications
• Helps maintain consistent engine operating temperature for optimal performance
• Cost-effective upgrade to enhance engine cooling system reliability

Construction & Design:

The Mishimoto Racing Thermostat is crafted from high-quality materials to ensure durability and reliable operation under extreme conditions. Its precision-engineered valve mechanism is calibrated to open at a lower temperature than factory thermostats, allowing coolant to circulate earlier and prevent excessive heat buildup. The robust housing and corrosion-resistant components provide long-lasting performance, making it suitable for both daily driving and competitive motorsports applications.

Manufactured with tight tolerances, this thermostat maintains consistent operation throughout its service life, contributing to improved engine longevity and efficiency.

Installation & Fitment:

This thermostat is designed as a direct replacement for the original equipment part, fitting a wide range of vehicles without requiring any modifications. Installation is straightforward and can typically be completed with basic hand tools. It is compatible with the following vehicles:

• Dodge B300 (1980)
• Dodge CB300 (1980)
• Dodge D300 (1980)
• Dodge Dakota (1987–2003)
• Dodge Durango (1998–2003)
• Dodge Ram 1500 (1994–2003)
• Dodge Ram 1500 Van (1999–2003)
• Dodge Ram 2500 (1994–2003)
• Dodge Ram 2500 Van (1999–2003)
• Dodge Ram 3500 (1994–2003)
• Dodge Ram 3500 Van (1999–2003)
• Dodge Ramcharger (1980–1993)
• Dodge W300 (1980)
• Jeep Grand Cherokee (1993–2004)
• Jeep Grand Wagoneer (1984–1993)
• Jeep Scrambler (1981–1985)
• Jeep Wagoneer (1980–1990)
• Jeep Wrangler (1997–2006)
• Mazda B3000 (1994–2007)
• Plymouth PB300 (1980)

Always consult your vehicle’s service manual for specific installation instructions and torque specifications.

What's Included:

• One Mishimoto Racing Thermostat (Part # MMTS-MUS-86)
• Gasket or O-ring as required for installation
• Installation instructions

Ideal For:

This thermostat is perfect for automotive enthusiasts and professionals who require improved engine cooling for vehicles equipped with turbochargers, superchargers, or other performance modifications that increase engine heat. It is also well-suited for daily drivers seeking enhanced thermal management to prevent overheating and maintain consistent engine temperatures under varied driving 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.