Mishimoto Transmission Cooler (MMTC-RAM-03SL) fits 2003-2009 Cummins 5.9L/6.7L

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The Mishimoto Transmission Cooler (MMTC-RAM-03SL) is a high-quality aftermarket upgrade designed to fit 2003-2009 Cummins 5.9L and 6.7L engines. This transmission cooler is specifically engineered to provide improved cooling capabilities for your vehicle’s transmission, ensuring optimal performance and longevity.

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Description

The Mishimoto Transmission Cooler (MMTC-RAM-03SL) is a high-quality aftermarket upgrade designed to fit 2003-2009 Cummins 5.9L and 6.7L engines. This transmission cooler is specifically engineered to provide improved cooling capabilities for your vehicle’s transmission, ensuring optimal performance and longevity.

The MMTC-RAM-03SL is a direct fit replacement for the stock transmission cooler, making installation quick and easy. It features a durable, all-aluminum construction with a bar-and-plate design for maximum heat dissipation. This design also allows for a larger surface area, providing better cooling efficiency compared to the stock cooler.

One of the key benefits of the Mishimoto Transmission Cooler is its ability to maintain lower transmission fluid temperatures. This is especially important for vehicles that are used for towing or heavy hauling, as the transmission can experience increased stress and heat buildup. With the MMTC-RAM-03SL, you can ensure that your transmission stays cool and operates at its best, even under the most demanding conditions.

In addition to improved cooling, this transmission cooler also helps to prolong the life of your transmission. By keeping the fluid at a lower temperature, it helps to prevent premature wear and tear on the transmission components. This can save you money on expensive repairs and replacements in the long run.

The Mishimoto Transmission Cooler is also a great choice for those who are looking to upgrade their vehicle’s performance. The cooler fluid temperatures can help to improve the overall efficiency and power output of your engine, giving you a noticeable increase in horsepower and torque. This makes it a popular choice among performance enthusiasts and those who want to get the most out of their Cummins engine.

Furthermore, the MMTC-RAM-03SL comes with all the necessary hardware and instructions for a hassle-free installation. Mishimoto takes pride in their products and offers a lifetime warranty to ensure that you can enjoy the benefits of your transmission cooler for years to come.

Overall, the Mishimoto Transmission Cooler (MMTC-RAM-03SL) is an essential upgrade for any 2003-2009 Cummins 5.9L or 6.7L owner. It provides improved cooling and performance, while also helping to protect your transmission from damage. With its high-quality construction and lifetime warranty, this transmission cooler is a smart investment for any Cummins owner.

Additional information
Weight 13.7 lbs
Dimensions 37.5 × 17.5 × 5 in
Manufacturer

Fitment

Fitment

Applicable with 47RE, 48RE, and 68RFE Transmissions

Dodge Ram 2500 I6 (5.9L) 2003-2007
Dodge Ram 2500 I6 (6.7L) 2007-2009
Dodge Ram 3500 I6 (5.9L) 2003-2007
Dodge Ram 3500 I6 (6.7L) 2007-2009
Dodge Ram 4500 I6 (6.7L) 2008-2009
Dodge Ram 5500 I6 (6.7L) 2008-2009

Features

Features

  • 212% increase in core volume
  • 244% increase in fluid capacity
  • Includes fully serviceable thermostat for fast warm-up in cold climates and thermostat bypass for constant cooling in hot climates
  • Stacked-plate design for tough and reliable cooling
  • Eliminates corrosion-prone quick-disconnect fittings
  • Available -8ORB to -8AN adapters allow the use of AN transmission fluid lines. (2 required)
  • Patent #D912,701
  • Mishimoto Lifetime Warranty
Installation

Installation

Installation Instructions

About brand
Mishimoto builds cooling and engine protection parts for diesel trucks. The company focuses on heat control, reliability, and long service life. Mishimoto products support daily driving, towing, and performance use. Mishimoto designs radiators, intercoolers, oil coolers, and silicone hoses. These parts help reduce heat and prevent thermal stress. Better cooling helps engines run more efficiently under load. Diesel owners trust the brand for dependable cooling upgrades. Whether protecting a work truck or supporting performance, these parts deliver proven results.
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