Mishimoto Aluminum Radiator

2011–2024 Jeep Grand Cherokee / Dodge Durango 3.6L V6, 5.7L Hemi, 6.4L SRT

Part #: MMRAD-WK2-12

Overview

The Mishimoto Aluminum Radiator is a high-performance cooling solution designed specifically for Jeep Grand Cherokee and Dodge Durango models equipped with 3.6L V6, 5.7L Hemi, and 6.4L SRT engines from 2011 through 2024. Engineered to outperform the factory radiator, this upgrade ensures your engine maintains optimal operating temperatures under demanding conditions, whether on the street, track, or off-road. Its enhanced cooling capacity helps prevent overheating and supports both stock and modified powertrains, making it an essential upgrade for enthusiasts seeking reliable thermal management.

Built with durability and efficiency in mind, this radiator is a direct-fit replacement that simplifies installation while delivering superior heat dissipation and increased coolant volume. It is an ideal choice for drivers who want to improve their vehicle’s cooling system without compromising factory fitment or functionality.

Key Features

This Mishimoto radiator combines advanced design and quality materials to provide exceptional cooling performance and long-lasting reliability. Key features include:

• Full TIG-welded aluminum construction for enhanced strength and corrosion resistance
• 66% thicker core compared to stock radiators for improved heat dissipation
• 45% increase in fin surface area to maximize airflow and cooling efficiency
• 95% greater coolant capacity to reduce engine temperature fluctuations
• Direct-fit design with no modifications required for easy installation
• Includes A/C condenser and fan shroud mounting brackets for seamless integration
• Mishimoto magnetic drain plug that captures metallic debris to protect the cooling system
• Comes with a Mishimoto radiator cap engineered for optimal pressure management
• Compatible with street driving, track use, and off-road conditions
• Backed by Mishimoto’s Lifetime Warranty for peace of mind

Construction & Design

The radiator is crafted entirely from high-quality aluminum, featuring TIG-welded end tanks that provide superior durability and resistance to cracking or leaking under extreme thermal and mechanical stress. The thicker core design increases the volume of coolant circulating through the system, while the expanded fin surface area enhances heat transfer by allowing more air to pass through the radiator matrix.

Every aspect of the radiator’s construction is optimized for longevity and performance, ensuring it withstands harsh environments and heavy-duty use. The inclusion of factory-style mounting points and brackets guarantees a precise fit and maintains the integrity of the vehicle’s cooling system architecture.

Installation & Fitment

This Mishimoto radiator is engineered as a direct-fit replacement for the specified Jeep Grand Cherokee and Dodge Durango models, requiring no cutting, trimming, or other modifications. It installs using existing mounting locations and hardware, making the upgrade process straightforward and accessible for both professional installers and experienced enthusiasts.

Included brackets for the A/C condenser and fan shroud ensure that all factory components can be reinstalled without issue, preserving the vehicle’s original functionality and appearance. The radiator’s magnetic drain plug simplifies routine maintenance by capturing metal particles, helping extend the life of your cooling system.

What's Included

• Mishimoto aluminum radiator with thick core
• A/C condenser mounting brackets
• Fan shroud mounting brackets
• Mishimoto magnetic drain plug
• Mishimoto radiator cap

Ideal For

This radiator is perfect for Jeep Grand Cherokee and Dodge Durango owners who demand improved cooling performance for daily driving, towing, spirited street driving, track days, or off-road adventures. It is especially beneficial for vehicles with factory or aftermarket powertrains that generate additional heat, ensuring reliable engine temperatures and preventing overheating under stress.

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.