Mishimoto Replacement Radiator: Jeep Grand Cherokee 1998

Mishimoto Replacement Radiator

1998 Jeep Grand Cherokee 5.2L & 5.9L

R2206

Overview:

The Mishimoto Replacement Radiator is engineered specifically for the 1998 Jeep Grand Cherokee ZJ models equipped with 5.2L and 5.9L engines. Designed as a direct OEM replacement, this radiator restores your vehicle’s cooling system to factory specifications without requiring any modifications. Whether you’re addressing a failing radiator or upgrading to a more reliable cooling solution, Mishimoto’s radiator offers superior durability and performance to keep your Jeep running cool under all conditions.

Built with quality and longevity in mind, this radiator is ideal for Jeep owners who demand dependable cooling for daily driving, towing, or off-road adventures. Backed by Mishimoto’s unmatched lifetime warranty, it provides peace of mind alongside excellent thermal management.

Key Features:

This Mishimoto radiator combines advanced materials and precise engineering to deliver reliable cooling performance. Key features include:

• Direct OEM fitment for 1998 Jeep Grand Cherokee ZJ 5.2L and 5.9L engines
• Durable plastic tanks paired with a high-efficiency aluminum core
• Precision manufacturing ensures perfect fitment with no trimming or modifications needed
• Enhanced heat dissipation for improved engine temperature control
• Corrosion-resistant construction for extended service life
• Compatible with 42RE, 44RE, and 46RE transmissions found in these models
• Backed by Mishimoto’s industry-leading lifetime warranty

Construction & Design:

The radiator features a robust aluminum core designed to maximize heat transfer while minimizing weight. The aluminum core is paired with expertly molded plastic tanks that resist cracking and warping over time. This combination ensures a durable, long-lasting radiator that withstands the rigors of daily driving and harsh environments. The core’s fin density and tube design are optimized for efficient coolant flow and rapid heat dissipation, maintaining optimal engine temperatures even under heavy loads.

Every radiator undergoes strict quality control to meet or exceed OEM standards, ensuring consistent performance and fitment. The plastic tanks are engineered to resist pressure and thermal cycling, preventing leaks and failures common in aging radiators.

Installation & Fitment:

Installation is straightforward and designed to be a direct swap with the original radiator. No cutting, drilling, or additional modifications are necessary, making it an ideal replacement for DIY enthusiasts and professional mechanics alike. The radiator fits all 1998 Jeep Grand Cherokee ZJ models equipped with 5.2L and 5.9L engines, including the Laredo, Limited, and 5.9 Limited trims. It is compatible with the factory 42RE, 44RE, and 46RE transmissions, ensuring seamless integration with your vehicle’s cooling system.

What's Included:

• Mishimoto Replacement Radiator (plastic tanks with aluminum core)
• OEM-style mounting points for direct fitment
• Lifetime warranty documentation

Ideal For:

This radiator is perfect for Jeep Grand Cherokee owners seeking a reliable, OEM-quality cooling solution. It suits those restoring their 1998 ZJ model to factory condition, upgrading from a worn or damaged radiator, or preparing their vehicle for demanding driving conditions such as towing or off-road use. Its durable construction and guaranteed fitment make it a trusted choice for enthusiasts and daily drivers alike.