Mishimoto Transmission Cooler

Fits 2003–2007 Dodge Ram 5.9L Cummins

Part #: MMTC-RAM-03TQ

Overview

The Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler is a high-quality upgrade designed to enhance the durability and performance of your vehicle's transmission cooling system. Built specifically for Dodge Ram trucks equipped with the 5.9L Cummins engine from 2003 to 2007, this cooler helps maintain optimal transmission temperatures, ensuring reliable operation under demanding conditions. Whether you're towing, hauling, or driving in hot climates, this cooler provides a robust solution to prevent overheating and extend the lifespan of your transmission. This replacement cooler is ideal for truck owners seeking a dependable, efficient cooling upgrade that supports the longevity and performance of their vehicle’s transmission system. Its durable construction and proven design make it a practical choice for both daily drivers and heavy-duty applications.

Key Features

This Mishimoto transmission cooler features a high-efficiency core designed for maximum heat dissipation and durability. Constructed from corrosion-resistant aluminum, it offers excellent thermal transfer and long-lasting performance. The cooler’s compact design allows for straightforward installation, fitting seamlessly into your vehicle’s existing cooling system. Its robust construction ensures reliable operation even in extreme conditions, helping to prevent transmission fluid breakdown and costly repairs. The cooler is engineered to work with your vehicle’s factory setup, providing an effective upgrade without the need for extensive modifications.

• High-efficiency aluminum core for superior heat dissipation
• Corrosion-resistant construction for long-term durability
• Designed specifically for Dodge Ram 5.9L Cummins (2003–2007)
• Easy bolt-on installation with OEM fitment
• Supports optimal transmission temperature management
• Helps prevent transmission fluid breakdown and overheating
• Reliable performance under heavy towing and demanding conditions

Construction & Design

This transmission cooler is crafted from high-grade aluminum, ensuring excellent thermal conductivity and resistance to corrosion. Its compact, lightweight design allows for efficient heat transfer while fitting seamlessly into your vehicle’s existing cooling system. The core’s fin design maximizes surface area for optimal cooling performance, making it a durable and effective upgrade for demanding driving conditions.

Installation & Fitment

Designed for straightforward installation, this cooler mounts directly in line with your vehicle’s factory transmission cooling system. It requires minimal modifications, making it suitable for DIY enthusiasts and professional installers alike. Proper installation helps ensure maximum cooling efficiency and reliable operation.

What’s Included

The package includes the Mishimoto 03-07 Dodge Ram 5.9L Cummins Replacement Transmission Cooler, along with all necessary mounting hardware for a secure and easy installation.