Mishimoto Aluminum Degas Tank

2013–2018 Ram 6.7L Cummins

MMRT-RAM-13N

Overview:

The Mishimoto Aluminum Degas Tank for the 2013–2018 Ram 6.7L Cummins is a premium cooling system upgrade designed to replace the factory coolant expansion tank. This high-quality degas tank improves coolant management by eliminating the common issues associated with stock plastic tanks, such as cloudiness and limited durability. It is engineered specifically for diesel truck enthusiasts who demand reliable cooling performance, especially those running big single-turbo setups that require additional clearance around the turbocharger.

Featuring a natural aluminum finish, this degas tank not only enhances the engine bay’s appearance but also provides superior heat dissipation. The tank maintains all stock functionality, including an OEM-quality coolant level sensor to keep your dashboard warning lights accurate. With internal baffling to prevent coolant slosh during rough driving conditions, this tank ensures consistent coolant flow and system reliability.

Key Features:

The Mishimoto Aluminum Degas Tank combines thoughtful engineering with durable materials to deliver a superior cooling solution for your Ram 6.7L Cummins.

• Constructed from lightweight, corrosion-resistant aluminum for enhanced durability and heat dissipation
• Includes OEM-quality coolant level sensor for accurate low coolant warnings
• Internal baffling design prevents coolant movement during off-road or rough road conditions
• Designed with increased clearance to accommodate large single-turbo setups without trimming
• Natural aluminum finish offers a clean, custom look that complements any engine bay
• Direct bolt-on replacement for the factory degas tank with no modifications required
• Backed by Mishimoto’s Lifetime Warranty for long-term peace of mind

Construction & Design:

This degas tank is precision-crafted from high-grade aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The natural finish highlights the quality of the material while providing a sleek, industrial appearance that fits seamlessly into any custom or stock engine bay. The tank’s internal baffling is engineered to stabilize coolant levels, reducing the risk of air pockets and ensuring consistent coolant circulation under all driving conditions.

Special attention was given to the tank’s shape and mounting points to provide ample clearance around the turbocharger area, a common limitation with the stock plastic tank. This thoughtful design eliminates the need for trimming or modification, making it ideal for trucks equipped with larger aftermarket turbochargers.

Installation & Fitment:

The Mishimoto Aluminum Degas Tank is a direct fit replacement for the 2013–2018 Ram 6.7L Cummins models. Installation is straightforward and requires no special tools or modifications. The included OEM-quality coolant level sensor ensures seamless integration with the vehicle’s existing coolant monitoring system, preserving all factory warning functions. This tank is perfect for owners looking to upgrade their cooling system with a durable, high-performance component that fits perfectly and functions flawlessly.

What's Included:

• One Mishimoto Aluminum Degas Tank (Natural Finish)
• OEM-quality coolant level sensor installed
• Mounting hardware for direct bolt-on installation
• Installation instructions

Ideal For:

This degas tank is ideal for Ram 6.7L Cummins owners who want to improve their truck’s cooling system reliability and appearance. It is especially suited for enthusiasts running large single-turbo setups who need additional clearance around the turbo area without compromising coolant system functionality. Whether you’re a daily driver, off-road adventurer, or diesel performance enthusiast, this tank offers a durable, high-quality solution to keep your engine running cool and efficiently.

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.