• Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
  • Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Natural
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Mishimoto Aluminum Expansion Tank | Dodge Ram 1500 (19-26) 6.7L Cummins (MMRT-RAM-19N)

Mishimoto Aluminum Expansion Tank | Dodge Ram 1500 (19-26) 6.7L Cummins (MMRT-RAM-19N)

MMRT-RAM-19N

In stock

$559.95 USD
$616.00 USD $559.95 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank is an aftermarket cooling component designed to replace the factory plastic tank. Constructed from durable aluminum with TIG-welded seams, this expansion tank offers enhanced strength and heat resistance compared to the stock plastic version. Its design includes internal baffles that help prevent coolant starvation and minimize turbulence, ensuring optimal coolant flow and system stability under demanding conditions. By upgrading to this aluminum tank, users benefit from improved durability, resistance to cracking, discoloration, and internal degradation caused by repeated heat cycles, ultimately extending the lifespan of the cooling system and maintaining consistent engine temperatures.

This expansion tank is specifically engineered for 2019 and newer Ram trucks equipped with the 6.7L Cummins engine. It is a direct replacement for the factory component, offering a straightforward bolt-on installation without modifications. Suitable for heavy-duty use, including towing, off-road driving, or high-performance applications, this tank ensures reliable coolant management. The kit includes the aluminum tank and necessary fittings for installation, making it an ideal upgrade for those seeking increased durability and performance in their cooling system. It is compatible with the stock mounting points and designed to withstand the rigors of demanding driving conditions.

Overview

Mishimoto Expansion Tank

Fits 2019+ Ram 6.7L Cummins

Part #: MMRT-RAM-19N

Overview

The Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank is a high-quality replacement designed to enhance the durability and reliability of your vehicle’s cooling system. Crafted from premium aluminum, this expansion tank offers a significant upgrade over the factory plastic component, which can become brittle, crack, or discolor over time due to heat cycles and heavy use. Built with precision TIG-welding, it ensures a robust, leak-proof construction capable of withstanding high temperatures and demanding driving conditions. This product is ideal for Ram owners seeking a long-lasting, corrosion-resistant solution that maintains optimal coolant flow and prevents overheating issues.

This expansion tank is engineered to support your vehicle’s cooling system by providing a durable, heat-resistant reservoir that helps maintain proper coolant levels and pressure. Its internal baffles are designed to prevent coolant starvation during aggressive driving or heavy towing, contributing to consistent engine temperatures and improved overall reliability. Whether you're restoring a stock setup or upgrading for enhanced durability, this Mishimoto tank is a practical choice for serious Ram owners.

Key Features

This Mishimoto expansion tank features several key attributes that make it a superior replacement:

  • Constructed from TIG-welded aluminum for strength and corrosion resistance
  • Designed to withstand high temperatures and heavy use
  • Internal baffles prevent coolant starvation during aggressive driving
  • Direct-fit replacement for factory plastic tank
  • Enhances durability and longevity of the cooling system
  • Maintains proper coolant pressure and flow

Construction & Design

The tank’s TIG-welded aluminum construction ensures a durable, leak-proof design that resists cracking and discoloration. Its sleek, natural finish complements the engine bay aesthetic while providing long-term corrosion resistance, making it an ideal upgrade for demanding applications.

Installation & Fitment

Designed as a direct replacement for the factory expansion tank, installation is straightforward for those familiar with cooling system components. Proper mounting and connection of hoses are required to ensure a secure fit and optimal performance.

What’s Included

The package includes the aluminum expansion tank ready for installation, with all necessary mounting hardware and fittings.

Ideal For

Perfect for Ram 6.7L Cummins owners looking to improve cooling system durability, prevent future failures, and support high-performance driving conditions.

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