Mishimoto Low-Temp Thermostat Aluminum Housing

2011–2015 Dodge Durango / 2011–2015 Jeep Grand Cherokee / 2012–2018 Jeep Wrangler 3.6L V6, 2014–2018 Jeep Grand Cherokee 3.0L EcoDiesel

Part #: MMTS-WRA-12V2

Overview

The Mishimoto Low-Temp Thermostat with Aluminum Housing is a precision-engineered cooling component designed to optimize engine temperature management for select Dodge Durango, Jeep Grand Cherokee, and Jeep Wrangler models equipped with 3.6L V6 and 3.0L EcoDiesel engines. Opening at 180°F, this thermostat allows coolant to circulate earlier than the factory 203°F unit, promoting lower operating temperatures and reducing the risk of overheating.

Ideal for drivers in warm climates, off-road enthusiasts, and those who frequently tow heavy loads, this thermostat enhances engine reliability and longevity by maintaining consistent thermal control under demanding conditions. It is a direct-fit replacement that ensures seamless integration with the vehicle’s existing cooling system.

Key Features

Engineered for superior cooling efficiency and durability, the Mishimoto Low-Temp Thermostat offers the following benefits:

• Opens at 180°F for earlier coolant flow compared to stock 203°F thermostats
• Helps reduce and maintain lower engine operating temperatures
• Ideal for warm climates, off-road use, and heavy towing applications
• Durable aluminum housing resists corrosion and heat damage
• Galvanized steel bleeder screw enables easy air bleeding and enhances longevity
• High-quality wax element ensures reliable and consistent operation
• Direct fitment for 2011–2018 Jeep Wrangler, 2011–2015 Dodge Durango, and 2011–2018 Jeep Grand Cherokee models
• Backed by Mishimoto’s Lifetime Warranty for peace of mind

Construction & Design

The thermostat features a robust aluminum housing that provides superior heat dissipation and corrosion resistance compared to standard plastic or cast iron housings. This durable construction extends the service life of the thermostat, even under harsh operating conditions commonly encountered during off-road driving or heavy towing.

Inside, a precision-engineered wax element responds accurately to temperature changes, ensuring the thermostat opens and closes at the correct thresholds to maintain optimal engine temperature. The inclusion of a galvanized steel bleeder screw allows for efficient removal of trapped air within the cooling system, improving coolant flow and overall system reliability.

Installation & Fitment

This Mishimoto thermostat is designed as a direct replacement for the factory unit on all compatible vehicles, including 2011–2015 Dodge Durango 3.6L V6, 2011–2015 Jeep Grand Cherokee 3.6L V6, 2012–2018 Jeep Wrangler 3.6L V6, and 2014–2018 Jeep Grand Cherokee 3.0L EcoDiesel models. Installation requires no modifications, allowing for a straightforward upgrade that fits seamlessly into the existing cooling system.

Whether installed by professional mechanics or experienced DIY enthusiasts, this thermostat upgrade ensures improved thermal management without compromising the vehicle’s original cooling system design.

What's Included

• Mishimoto Low-Temp Thermostat with Aluminum Housing
• Galvanized steel bleeder screw
• Installation instructions

Ideal For

This thermostat is perfect for Jeep Wrangler, Dodge Durango, and Jeep Grand Cherokee owners who frequently drive in hot climates, tow heavy trailers, or engage in off-road activities that place additional thermal stress on the engine. It is also an excellent upgrade for anyone seeking enhanced engine cooling efficiency and reliable overheating prevention during demanding 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.