Mishimoto Replacement Radiator: Jeep Grand Cherokee 1999-2000

Mishimoto Replacement Radiator

1999–2000 Jeep Grand Cherokee 4.7L

R2263

Overview:

The Mishimoto Replacement Radiator is engineered as a direct OEM replacement for 1999 to 2000 Jeep Grand Cherokee models equipped with the 4.7L engine. Designed to meet or exceed factory specifications, this radiator ensures reliable cooling performance essential for maintaining optimal engine temperatures under all driving conditions. Whether you are restoring your Jeep or replacing a worn or damaged radiator, this Mishimoto unit offers a hassle-free upgrade with guaranteed fitment and durability.

Built for Jeep Grand Cherokee Laredo and Limited trims from 1999 to 2000, this radiator supports multiple transmission variants including the 42RE, 44RE, and 45RFE. It is ideal for owners seeking a high-quality replacement that maintains factory performance without compromise.

Key Features:

Crafted with precision and durability in mind, the Mishimoto Replacement Radiator delivers superior cooling efficiency and long-lasting reliability. Key features include:

• Direct OEM replacement design for perfect fitment with no modifications required
• High-quality aluminum core for enhanced heat dissipation and corrosion resistance
• Durable plastic tanks engineered to withstand thermal cycling and pressure fluctuations
• Compatible with 4.7L Jeep Grand Cherokee engines and multiple transmission types (42RE, 44RE, 45RFE)
• Manufactured to meet or exceed OEM standards for performance and longevity
• Backed by Mishimoto’s industry-leading lifetime warranty for peace of mind
• Precision-engineered to maintain proper coolant flow and system pressure
• Corrosion-resistant finish to extend radiator lifespan in harsh environments

Construction & Design:

The Mishimoto Replacement Radiator features a robust aluminum core that provides superior thermal conductivity compared to traditional copper-brass radiators. This core is paired with expertly molded plastic tanks designed to resist cracking and warping over time. The combination of materials ensures a lightweight yet durable assembly that withstands the rigors of daily driving and off-road conditions.

Each radiator undergoes stringent quality control to guarantee consistent performance and fitment. The design replicates the OEM radiator’s mounting points and hose connections, ensuring seamless integration with your Jeep’s cooling system without the need for adapters or modifications.

Installation & Fitment:

Installation of the Mishimoto Replacement Radiator is straightforward and designed to be a direct swap with the factory unit. No special tools or alterations are necessary, making it an ideal choice for DIY enthusiasts and professional mechanics alike. The radiator fits 1999–2000 Jeep Grand Cherokee Laredo and Limited models equipped with the 4.7L engine and compatible transmissions (42RE, 44RE, 45RFE).

Simply remove the old radiator, transfer any necessary components such as mounting brackets or sensors, and install the Mishimoto radiator in its place. This ensures a quick, reliable replacement that restores your vehicle’s cooling system to optimal condition.

What’s Included

• Mishimoto Replacement Radiator (Part # R2263)
• Pre-installed plastic tanks and aluminum core assembly
• Protective packaging to prevent damage during shipping

Ideal For:

This radiator is perfect for Jeep Grand Cherokee owners looking to replace a failing or damaged radiator with a high-quality, OEM-spec component. It is especially suited for those who want to maintain factory cooling performance and reliability without the need for aftermarket modifications. Whether you use your Jeep for daily commuting, towing, or light off-road adventures, this radiator provides dependable cooling to keep your 4.7L engine running efficiently.