Mishimoto Aluminum Performance Radiator

Jeep Wrangler 91-06 4.0L/2.5L

MMRAD-WRA-87

Overview:

The Mishimoto Aluminum Performance Radiator is a premium cooling upgrade designed specifically for Jeep Wrangler models from 1987 through 2016. Engineered to replace the stock radiator, this high-performance unit enhances cooling efficiency by up to 20%, helping to maintain optimal engine temperatures under demanding conditions. Whether you drive your Wrangler daily or push it hard off-road, this radiator ensures your engine stays cool, reliable, and protected from overheating.

Many Jeep enthusiasts overlook the importance of upgrading their cooling system, but the Mishimoto radiator is built to handle the increased heat generated by higher horsepower and rigorous use. It offers improved fluid capacity and superior heat dissipation, making it an essential upgrade for Wrangler owners seeking enhanced performance and durability.

Key Features:

This Mishimoto radiator combines advanced engineering with durable materials to deliver outstanding cooling performance and reliability:

• Up to 20% increase in cooling efficiency compared to OEM radiators
• Lightweight dual-core design with a 1.88-inch thick, two-row core
• 100% brazed aluminum construction for superior heat transfer and corrosion resistance
• Polished aluminum end tanks for enhanced durability and aesthetics
• Increased coolant capacity by approximately 0.36 gallons (68% more than stock)
• Direct OEM fitment requiring no cutting or modifications
• Proven to reduce outlet temperature by up to 20°F compared to factory radiators
• Compatible with a wide range of Jeep Wrangler trims and engine configurations from 1987 to 2016
• Backed by Mishimoto’s lifetime warranty for peace of mind

Construction & Design:

The Mishimoto radiator is crafted from high-quality, TIG-welded aluminum, ensuring exceptional strength and longevity. Its dual-core design maximizes surface area for heat dissipation while maintaining a lightweight profile to avoid adding unnecessary weight to your vehicle. The polished aluminum end tanks not only provide a sleek appearance but also resist cracking and corrosion better than plastic alternatives found in stock radiators.

Every radiator is 100% brazed, a manufacturing process that creates a strong, leak-proof bond between the core and tanks, enhancing durability under extreme conditions. This robust construction makes the Mishimoto radiator ideal for both daily driving and intense off-road adventures.

Performance & Sound

By improving coolant flow and heat exchange, the Mishimoto radiator helps maintain lower engine temperatures, which can contribute to more consistent engine performance and longevity. The cooler operating temperatures reduce the risk of overheating during heavy towing, off-road use, or high-performance driving. While the radiator itself does not affect engine sound, its role in maintaining optimal engine temperature supports overall vehicle reliability and performance.

Installation & Fitment:

The Mishimoto Aluminum Performance Radiator is designed as a direct OEM replacement for Jeep Wrangler models spanning 1987 to 2016. Installation is straightforward and requires no cutting, drilling, or modifications to your vehicle’s existing cooling system. It fits a wide variety of Wrangler trims and engine types, including 2.4L, 2.5L, 4.0L, and 4.2L engines, as well as multiple transmission configurations.

This plug-and-play design ensures a hassle-free upgrade that can be completed with basic hand tools, making it accessible for both professional mechanics and experienced DIY enthusiasts.

What's Included:

• Mishimoto Aluminum Performance Radiator
• Installation instructions
• Lifetime warranty documentation

Ideal For:

This radiator is perfect for Jeep Wrangler owners who demand improved cooling performance and reliability. It is especially beneficial for those who:

• Use their Wrangler for off-road adventures or heavy-duty applications
• Have modified engines producing higher horsepower and heat
• Experience overheating issues with the stock radiator
• Want a durable, long-lasting cooling solution with OEM fitment
• Seek to maintain optimal engine temperatures for daily driving in hot climates

Fitment Summary

This radiator fits the following Jeep Wrangler models and trims:

• Jeep Wrangler YJ (1987–1995)
• Jeep Wrangler TJ (1997–2006)
• Jeep Wrangler JK (2007–2016)
• All major trims including Base, Islander, Laredo, Renegade, Rio Grande, Rubicon, Sahara, SE, Sport, Sport S, Unlimited, X, and Anniversary Editions
• Compatible with engines: 2.4L, 2.5L, 4.0L, and 4.2L inline-4 and inline-6 engines
• Supports various transmissions such as 30RH, 32RH, 42RLE, AX5, AX15, NV2550, NV3550, NSG370, and others

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.