Mishimoto Transmission Cooler

2025–2026 Ram 1500 3.0L Hurricane

Part #: MMTC-RAM-25

Overview

The Mishimoto Transmission Cooler is a direct-fit cooling solution engineered specifically for the 2025–2026 Ram 1500 equipped with the 3.0L Hurricane engine. Designed to work in tandem with your truck’s stock transmission cooling system, this cooler significantly enhances heat dissipation to protect your transmission from the damaging effects of excessive heat. Whether you’re towing heavy loads, navigating challenging off-road trails, or hauling equipment for work, maintaining optimal transmission temperatures is critical for reliable performance and longevity.

With a core volume 60% larger than the factory cooler and 25% greater fluid capacity, this Mishimoto cooler efficiently manages the increased thermal load generated during demanding driving conditions. By keeping transmission fluid temperatures in check, it reduces wear and tear, improves shift quality, and helps ensure your Ram 1500’s transmission remains durable and responsive under pressure.

Key Features

Engineered for maximum cooling efficiency and ease of installation, the Mishimoto Transmission Cooler offers the following benefits:

• Direct-fit design tailored for 2025–2026 Ram 1500 3.0L Hurricane, ensuring seamless integration with OEM components
• 60% larger core volume compared to stock for superior heat dissipation
• 25% increased fluid capacity to better manage transmission temperatures
• Tube-and-fin core construction maximizes heat transfer efficiency
• Robust powder-coated finish resists corrosion and environmental damage
• Quick disconnect fittings simplify installation and maintenance
• Removable mounting bracket provides easier access to hard lines
• No need to remove the front grille, allowing for a straightforward, time-saving installation
• Compatible with both OEM and Mishimoto transmission components for flexible upgrades
• Backed by the Mishimoto Lifetime Warranty for long-term peace of mind

Construction & Design

The Mishimoto Transmission Cooler features a high-quality tube-and-fin core designed to maximize heat exchange between the transmission fluid and ambient air. Its larger core volume and increased fluid capacity allow it to absorb and dissipate heat more effectively than the stock cooler. The cooler’s durable powder-coated finish protects against rust, corrosion, and road debris, ensuring reliable performance in harsh environments. Every component, from the quick disconnect fittings to the removable mounting bracket, is engineered for durability and ease of use, reflecting Mishimoto’s commitment to quality and innovation.

Installation & Fitment

Installation is designed to be hassle-free and user-friendly. The cooler mounts directly in place of the factory unit without requiring grille removal, saving time and effort. Quick disconnect fittings make connecting to the transmission lines straightforward, while the removable mounting bracket provides easier access to hard lines during installation. This cooler is specifically designed for the 2025–2026 Ram 1500 with the 3.0L Hurricane engine, ensuring a perfect fit and seamless integration with your truck’s existing transmission cooling system.

What’s Included

• Mishimoto direct-fit transmission cooler core
• Removable mounting bracket
• Quick disconnect fittings
• All necessary hardware for installation
• Detailed installation instructions

Ideal For

This transmission cooler is ideal for Ram 1500 owners who regularly push their trucks to the limit—whether towing heavy trailers, hauling heavy loads, or exploring off-road terrain. It’s perfect for those seeking to extend the life of their transmission by maintaining optimal fluid temperatures during demanding driving conditions. If you want reliable transmission performance and peace of mind on every drive, the Mishimoto Transmission Cooler is the upgrade your 3.0L Hurricane-powered Ram 1500 deserves.

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.