Mishimoto Low-Temperature Thermostat

1994–1998 Dodge Ram 2500 / Dodge Ram 3500 5.9L Cummins

MMTS-RAM-94L

Overview:

The Mishimoto Low-Temperature Thermostat is a precision-engineered cooling system upgrade designed specifically for Dodge Ram 2500 and Ram 3500 trucks equipped with the 5.9L Cummins engine from 1994 to 1998. This thermostat serves as a direct replacement for the factory unit but activates at a lower temperature of 174°F compared to the stock 180°F thermostat. By opening earlier, it allows coolant to circulate sooner, helping to reduce engine operating temperatures and improve overall cooling efficiency.

Ideal for drivers who operate their trucks in warmer climates or subject their vehicles to heavy towing and demanding driving conditions, this thermostat enhances engine reliability and helps prevent overheating. The Mishimoto thermostat is built to meet or exceed OEM standards and comes backed by the Mishimoto Lifetime Warranty, ensuring long-lasting performance and peace of mind.

Key Features:

Designed to optimize cooling performance and durability, the Mishimoto Low-Temperature Thermostat offers the following benefits:

• Lower activation temperature of 174°F for earlier coolant flow
• Direct-fit replacement for easy installation with no modifications required
• Improved engine temperature regulation under heavy load and towing conditions
• Durable construction engineered to withstand high thermal cycling
• Helps reduce risk of engine overheating and potential internal damage
• Compatible with 5.9L Cummins engines in Dodge Ram 2500 and 3500 models from 1994 to 1998
• Includes Mishimoto Lifetime Warranty for guaranteed quality and reliability

Construction & Design:

The Mishimoto Low-Temperature Thermostat is crafted from high-quality materials designed to endure the demanding environment of heavy-duty diesel engines. Its robust valve mechanism and corrosion-resistant housing ensure consistent operation and longevity. The thermostat’s precise calibration guarantees activation at the specified lower temperature, promoting improved coolant circulation and enhanced thermal management without compromising engine performance.

Installation & Fitment:

This thermostat is engineered as a direct-fit replacement for the factory thermostat in 1994–1998 Dodge Ram 2500 and Ram 3500 trucks equipped with the 5.9L Cummins engine. Installation is straightforward and requires no modifications to the cooling system. Simply remove the old thermostat and install the Mishimoto unit in its place to immediately benefit from improved cooling efficiency and engine temperature control.

What's Included:

• Mishimoto Low-Temperature Thermostat (174°F activation)
• Gasket or O-ring seal for proper installation
• Installation instructions

Ideal For:

This thermostat is perfect for Dodge Ram 2500 and 3500 owners who demand reliable engine cooling under challenging conditions. Whether you tow heavy loads, drive in hot climates, or simply want to improve your truck’s thermal management, the Mishimoto Low-Temperature Thermostat offers a durable and effective solution to help protect your 5.9L Cummins engine from overheating and maintain optimal performance.

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.