Mishimoto Plastic Replacement Radiator

2007–2018 Jeep Wrangler JK

R2957-MT

Overview:

The Mishimoto Plastic Replacement Radiator is a direct OEM replacement designed specifically for the Jeep Wrangler JK models from 2007 through 2018. Engineered to restore your vehicle’s cooling system to optimal condition, this radiator is ideal for owners facing issues with leaking, clogging, or damaged stock radiators. It offers a hassle-free solution that requires no modifications, ensuring a perfect fit and reliable performance.

Whether your Jeep is used for daily driving, off-road adventures, or heavy-duty applications, this radiator maintains the stock cooling efficiency while providing long-lasting durability. Backed by the Mishimoto Lifetime Warranty, it delivers peace of mind alongside quality construction.

Key Features:

Designed to meet or exceed OEM specifications, this radiator combines quality materials and precise engineering to ensure dependable cooling performance. Key features include:

• Direct fit replacement for Jeep Wrangler JK models from 2007 to 2018
• OEM specification plastic end tanks paired with a high-quality aluminum core
• Compatible with both manual and automatic transmissions
• No bending, cutting, or modifications required for installation
• Maintains stock cooling efficiency for reliable engine temperature management
• Resistant to leaks, clogs, and plastic tank cracking common in aging radiators
• Engineered to work seamlessly with all original engine bay components
• Includes Mishimoto’s industry-leading Lifetime Warranty for long-term assurance

Construction & Design:

This radiator features durable plastic end tanks molded to OEM specifications, ensuring a precise fit and reliable sealing. The core is constructed from high-grade aluminum, which offers excellent heat dissipation and corrosion resistance. This combination balances lightweight design with robust performance, making it suitable for both stock and lightly modified Jeep Wranglers.

The plastic tanks are engineered to withstand years of clamp pressure and thermal cycling, reducing the risk of cracks and leaks that commonly affect original equipment radiators. The aluminum core’s fin density and tube design optimize coolant flow and heat transfer, preserving engine operating temperatures under various driving conditions.

Installation & Fitment:

Installation is straightforward and designed to be a direct swap with the factory radiator. There is no need for bending, cutting, or modifying any components, making it an ideal choice for DIY enthusiasts and professional mechanics alike. The radiator fits all Jeep Wrangler JK models from 2007 to 2018, including various trims such as Rubicon, Sahara, Sport, and special editions like the 70th and 75th Anniversary models.

This radiator supports multiple engine and transmission configurations, including 3.6L and 3.8L engines paired with transmissions such as 42RLE, NSG370, W5A580, and others. It functions flawlessly with all stock engine bay equipment, ensuring seamless integration and reliable cooling performance.

What's Included:

• Mishimoto Plastic Replacement Radiator for Jeep Wrangler JK (2007–2018)
• Pre-installed plastic end tanks and aluminum core assembly
• Lifetime Warranty documentation

Ideal For:

This radiator is perfect for Jeep Wrangler JK owners who need a reliable replacement for an aging, leaking, or clogged stock radiator. It suits daily drivers, off-road enthusiasts, and anyone looking to maintain factory-level cooling performance without the hassle of custom modifications. Its direct-fit design and durable construction make it an excellent choice for restoring your Jeep’s cooling system to peak condition.

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.