Mishimoto Transmission Cooler Bypass

2010–2013 Dodge Ram 2500 / 3500 6.7L Diesel

Part #: MMTC-RAM-10LK

Overview

The Mishimoto Transmission Cooler Bypass Kit is a precision-engineered solution designed specifically for Dodge Ram 2500 and 3500 trucks from 2010 to 2013 equipped with the 6.7L Cummins diesel engine. This bypass kit allows you to retain your factory transmission cooler while providing a reliable bypass route in the event the stock cooler becomes contaminated due to transmission failure. By bypassing the factory transmission cooler and A/C condenser, it prevents further damage and maintains optimal transmission fluid flow without the need to discharge refrigerant or disturb the A/C system.

Ideal for truck owners seeking a hassle-free, direct-fit upgrade, this kit works seamlessly with the Mishimoto MMTC-RAM-10 Transmission Cooler to ensure compatibility and enhanced transmission cooling performance. It offers a practical and efficient solution for both professional installers and DIY enthusiasts looking to protect their transmission during heavy towing, hauling, or daily driving.

Key Features

Engineered for durability and ease of use, the Mishimoto Transmission Cooler Bypass Kit delivers the following benefits:

• Direct-fit design tailored for 2010–2013 Dodge Ram 2500 and 3500 models with 6.7L Cummins engines
• Allows retention of the factory transmission cooler without discharging A/C refrigerant
• Bypasses the factory transmission cooler and A/C condenser if contamination occurs
• Compatible exclusively with the Mishimoto MMTC-RAM-10 Transmission Cooler for optimal performance
• Eliminates the need to handle freon or vacuum lines during installation
• Constructed from high-quality materials for long-lasting reliability
• Includes all necessary fittings and hardware for straightforward installation
• Backed by the Mishimoto lifetime warranty for peace of mind

Construction & Design

The Mishimoto Transmission Cooler Bypass Kit is crafted from premium-grade components built to withstand the demanding conditions of heavy-duty truck use. Precision-machined fittings and durable hoses ensure leak-free connections and consistent fluid flow. The robust construction resists corrosion and heat degradation, providing reliable service life even under the high-temperature operating conditions common in towing and hauling applications.

Its design focuses on maintaining the factory system’s integrity by avoiding interference with the A/C refrigerant lines, simplifying installation and reducing the risk of damage to sensitive components. This thoughtful engineering ensures your transmission cooling system remains efficient and dependable.

Installation & Fitment

Installation is straightforward and designed as a direct replacement for the factory transmission cooler lines on compatible Dodge Ram 2500 and 3500 trucks from 2010 through 2013. The kit requires no refrigerant evacuation or vacuum line handling, significantly reducing installation time and complexity.

This bypass kit is intended for exclusive use with the Mishimoto MMTC-RAM-10 Transmission Cooler, guaranteeing a perfect fit and seamless integration. Whether upgrading your transmission cooler or replacing a contaminated factory cooler, this kit provides a clean and efficient solution.

What's Included

• Transmission cooler bypass lines and fittings
• All necessary hardware for installation
• Detailed installation instructions

Ideal For

This bypass kit is perfect for Dodge Ram 2500 and 3500 owners who want to protect their transmission from damage caused by contaminated factory coolers without the hassle of removing or discharging the A/C system. It is especially suited for those pairing it with the Mishimoto MMTC-RAM-10 Transmission Cooler to achieve superior transmission cooling performance and reliability during heavy towing, hauling, or daily driving.

Fitment Summary

• Dodge Ram 2500 Laramie (2010–2013)
• Dodge Ram 2500 Power Wagon (2010–2012)
• Dodge Ram 2500 SLT (2010–2013)
• Dodge Ram 2500 ST (2010–2013)
• Dodge Ram 2500 SXT (2010)
• Dodge Ram 2500 TRX (2010)
• Dodge Ram 2500 Big Horn (2013)
• Dodge Ram 2500 Laramie Longhorn (2011–2013)
• Dodge Ram 2500 Lone Star (2013)
• Dodge Ram 2500 Outdoorsman (2012–2013)
• Dodge Ram 2500 Tradesman (2013)
• Dodge Ram 3500 Laramie (2010–2013)
• Dodge Ram 3500 SLT (2010–2013)
• Dodge Ram 3500 ST (2010–2013)
• Dodge Ram 3500 Big Horn (2013)
• Dodge Ram 3500 Laramie Longhorn (2011–2013)
• Dodge Ram 3500 Lone Star (2013)

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.