Mishimoto Performance Aluminum Radiator

2007–2018 Jeep Wrangler JK HEMI Conversion

MMRAD-JK-HEMI

Overview:

The Mishimoto Performance Aluminum Radiator is engineered specifically for Jeep Wrangler JK models from 2007 to 2018 that have been upgraded with a HEMI engine swap. Designed to handle the increased cooling demands of the powerful HEMI, this radiator ensures your Wrangler stays cool under the most demanding conditions, whether on-road or off-road. It offers a direct-fit solution that maintains compatibility with the stock radiator fan, A/C condenser, and transmission cooler, making it an ideal upgrade for enthusiasts seeking enhanced cooling performance without compromising reliability or fitment.

With a significant increase in core volume and coolant capacity compared to the factory radiator, this Mishimoto radiator helps prevent overheating and maintains optimal engine temperatures, even during heavy towing, trail crawling, or high-performance driving.

Key Features:

Built to deliver superior cooling efficiency and durability, the Mishimoto Performance Aluminum Radiator includes the following key features:

• 18% increase in core volume, fin surface area, and external tube area over the stock Wrangler radiator for enhanced heat dissipation
• 13% greater coolant capacity to improve thermal management and reduce engine temperature spikes
• Dual-pass design that keeps coolant in the radiator longer for improved heat exchange
• Extruded aluminum tubes with internal struts to increase core rigidity and resist flexing, reducing the risk of cracks and leaks
• Direct-fit design compatible with stock radiator fan, A/C condenser, and transmission cooler for straightforward installation
• Constructed from high-quality aluminum for superior corrosion resistance and lightweight strength
• Backed by Mishimoto’s Lifetime Warranty, ensuring long-term reliability and peace of mind

Construction & Design:

This radiator is crafted from premium aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The extruded tubes feature internal struts that reinforce the core structure, preventing flex and enhancing durability under high pressure and rough terrain conditions. The dual-pass cooling system maximizes coolant exposure to the radiator’s fins, optimizing heat transfer and maintaining consistent engine temperatures. Every aspect of the design focuses on reliability and performance, making it a robust upgrade for HEMI-powered Jeep Wrangler JKs.

Installation & Fitment:

The Mishimoto Performance Aluminum Radiator is a direct replacement for the stock radiator on Jeep Wrangler JK models from 2007 through 2018 with a HEMI engine swap. It fits a wide range of trims including Sport, Sahara, Rubicon, Unlimited variants, and special editions such as the 70th and 75th Anniversary models. Installation requires no modifications to existing mounting points or cooling system components, allowing for a seamless upgrade experience. The radiator supports the factory radiator fan, A/C condenser, and transmission cooler, preserving OEM functionality and ease of maintenance.

What's Included:

• Mishimoto Performance Aluminum Radiator designed for HEMI-swapped Jeep Wrangler JK (2007–2018)
• All necessary fittings and mounting hardware for direct installation
• Comprehensive installation instructions

Ideal For:

This radiator is ideal for Jeep Wrangler JK owners who have upgraded to a HEMI engine and require enhanced cooling capacity to support the increased power output. It suits off-road enthusiasts, daily drivers, and performance builders who demand reliable temperature control during intense driving conditions. Whether tackling rugged trails, towing heavy loads, or pushing the limits on the street, this radiator ensures your engine stays cool and protected.

Fitment Summary

• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler 75th Anniversary (2016)
• Jeep Wrangler Rubicon (2007–2018)
• Jeep Wrangler Sahara (2007–2017)
• Jeep Wrangler Sport (2010–2018)
• Jeep Wrangler Sport S (2016, 2018)
• Jeep Wrangler Unlimited 70th Anniversary (2011)
• Jeep Wrangler Unlimited 75th Anniversary (2016)
• Jeep Wrangler Unlimited Moab (2018)
• Jeep Wrangler Unlimited Rubicon (2007–2018)
• Jeep Wrangler Unlimited Sahara (2007–2018)
• Jeep Wrangler Unlimited Sport (2010–2018)
• Jeep Wrangler Unlimited Sport S (2016, 2018)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)
• Jeep Wrangler JK Rubicon (2018)
• Jeep Wrangler JK Sahara (2018)
• Jeep Wrangler JK Sport (2018)
• Jeep Wrangler JK Sport S (2018)
• Jeep Wrangler JK Unlimited Rubicon (2018)
• Jeep Wrangler JK Unlimited Sahara (2018)
• Jeep Wrangler JK Unlimited Sport (2018)

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.