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  See more parts for Dodge Ram 2500
Select the year of your Dodge Ram 2500:
Mishimoto Transmission Cooler Dodge Ram 2500 | 3500 | 4500 | 5500 2003-2009 - MMTC-RAM-03SL
Theres no greater enemy for a transmission than heat. Whether your 2003-2009 Dodge Ram 5.9L/6.7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2009 Dodge Ram 5.9L/6.7L Cummins transmission cooler utilizes a stacked plate core for durable and powerful cooling. With a massive 212 percent greater core volume, 244 percent increase in fluid capacity, this trans cooler is a huge improvement over stock 2003-2009 Dodge Ram 5.9L/6.7L Cummins transmission cooler The Mishimoto transmission cooler is not only larger than the stock cooler but more reliable too. When the stock cooler thermostat fails, it fails closed, bypassing the cooler and returning hot fluid to the transmission. Mishimoto has solved this common issue by making the thermostat in our 2003-2009 Dodge Ram Cummins transmission cooler fully serviceable and easily bypassed for constant cooling. A port located at the top of the cooler provides easy access to the thermostat for servicing in just a few minutes. Replacement thermostats can be purchased individually if needed no more replacing the entire cooler if the thermostat fails. Owners in cold climates can still enjoy the fast warm-up times that the thermostat provides, while owners in hot climates can choose to bypass the thermostat by replacing it with the supplied stainless-steel bypass plug. To make this cooler even easier to install and service, Mishimotosaves you the hassle of removing seized fittings. The provided CNC-machined, stainless steel hose barb fittings let you cut to the chase, literally. These fittings and the supplied transmission cooler hose allow you to remove the quick-disconnect fittings and connect the stock soft-line to the Mishimoto cooler Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty.

Purchase Includes:
  • Mishimoto Stacked-Plate Transmission Cooler
  • High-Pressure Transmission Cooler Lines
  • Removable Thermostat
  • Removable Thermostat Bypass
  • CNC-Machined Stainless Steel Barbed Fittings
  • CNC-Machined Aluminum 3/416 ORB to Hose Barb Fittings
  • Worm Gear Clamps
  • Mishimoto Lifetime Warranty


Features:
  • 212 percent Increase in core volume and 244 percent increase in fluid capacity
  • Fits all 2003-2009 Dodge Ram 5.9L and 6.7L Cummins
  • Includes fully serviceable thermostat for fast warm-up in cold climates and thermostat bypass for constant cooling in hot climates
  • Mishimoto Lifetime Warranty
  • Stacked-plate design for tough and reliable cooling


Specifications:
  • Core Height (in): 10.94
  • Core Length (in): 26
  • Core Thickness (in): 0.87
  • Rows: 48


Fitment:
  • Dodge Ram 2500 Crew I6 (6.7L) 2009
  • Dodge Ram 2500 Laramie I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 2500 Power Wagon I6 (5.9L)/I6 (6.7L) 2006-2009
  • Dodge Ram 2500 SLT I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 2500 SLT Big Horn I6 (6.7L) 2008
  • Dodge Ram 2500 SLT Daytona I6 (5.9L) 2005
  • Dodge Ram 2500 SLT Night Runner Sport I6 (5.9L) 2006
  • Dodge Ram 2500 SLT Sport I6 (5.9L)/I6 (6.7L) 2006-2008
  • Dodge Ram 2500 Sport I6 (5.9L) 2006-2007
  • Dodge Ram 2500 ST I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 2500 SXT I6 (6.7L) 2008-2009
  • Dodge Ram 2500 TRX4 I6 (5.9L)/I6 (6.7L) 2006-2007
  • Dodge Ram 3500 Laramie I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 3500 SLT I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 3500 Sport I6 (5.9L)(6.7L) 2006-2007
  • Dodge Ram 3500 ST I6 (5.9L)/I6 (6.7L) 2003-2009
  • Dodge Ram 3500 SXT I6 (6.7L) 2008-2009
  • Dodge Ram 3500 TRX4 I6 (5.9L)/I6 (6.7L) 2007
  • Dodge Ram 4500 Base I6 (6.7L) 2008-2009
  • Dodge Ram 4500 Laramie I6 (6.7L) 2008-2009
  • Dodge Ram 4500 SLT I6 (6.7L) 2008-2009
  • Dodge Ram 4500 ST I6 (6.7L) 2008-2009
  • Dodge Ram 5500 Base I6 (5.9L)/I6 (6.7L) 2008-2009
  • Dodge Ram 5500 Laramie I6 (5.9L)/I6 (6.7L) 2008-2009
  • Dodge Ram 5500 SLT I6 (5.9L)/I6 (6.7L) 2008-2009
  • Dodge Ram 5500 ST I6 (5.9L)/I6 (6.7L) 2008-2009

Other Part Numbers:
Mishimoto #misMMTC-RAM-03SL

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2003-2009
 Dodge Ram 2500
2003-2009
 Dodge Ram 3500

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Who is Mishimoto?

Mishimoto is an aftermarket automotive company that was established in 2005. They are known for creating the industry’s best performing cooling system components. Today, they have become the market leader and has been chosen by various enthusiasts worldwide.

Parts for All Your Cooling Needs

Mishimoto offers a wide range of products such as couplings, radiators, fans, and other cooling system components for practically every vehicle, may it be a sport compact, truck, jeep, muscle cars, and classic vehicles. They also offer intake systems and intercoolers that help the vehicle gain more horsepower.

Built to Perform Better

The company creates products that are better than the stock components. Their parts are designed to work in higher pressure ratings and are more robust. Hence, they are the brand of choice by tuners and enthusiasts who demand a cooling system that can work for high-performance applications. Many racers choose Mishimoto as it has proven itself to produce race winners whatever racing discipline it is, may it be circuit racing, drag racing, drifting, and off road racing.

Purchase Mishimoto Products at Vivid Racing

Your vehicle cooling system plays a critical role in your vehicle. It keeps the temperature at bay and prevents severe damages caused by overheating. If you want a product that can put your trust in, then Mishimoto is the brand for you. Tested by many racers on the track and a variety of car enthusiasts on the street, you can be sure that you will never go wrong with Mishimoto.

Visit Vivid Racing and check out their list of products that would fit your specific needs.











Mishimoto Automotive ("Mishimoto") warrants its products under this lifetime limited warranty policy ("Warranty Policy"). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a "Mishimoto Product" and collectively, the "Mishimoto Products") and (ii) the original purchaser of such Mishimoto Product ("Purchaser"). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

Pursuant to the terms and conditions of this Warranty Policy, after submission of a valid claim by a Purchaser and regardless of the condition of the product for which such valid claim is submitted, if it is determined by Mishimoto that such Mishimoto Product was not manufactured to Mishimoto's advertised specifications or if such claim was submitted pursuant to Mishimoto's Accident Protection Plan, as described herein, Mishimoto will, at its discretion: (i) repair or replace Purchaser's original Mishimoto Product; (ii) replace Purchaser's original Mishimoto Product with the most current available model (if, for example, the original model of the product for which a valid claim has been submitted is not available); or (iii) provide the purchaser with a gift card redeemable at Mishimoto.com in the amount of the original purchase price of the original Mishimoto Product (if, for example, Mishimoto has discontinued support for a Purchaser's specific application).

To submit a claim for a Mishimoto Product under this Warranty Policy, you must: (i) fully and accurately fill out the online form provided below; and (ii) provide Mishimoto with a copy of an original sales receipt indicating that you are the original Purchaser of the Mishimoto Product for which the claim is being submitted (you must also provide the information described in the paragraph of this Warranty Policy titled "Mishimoto Accident Protection Plan" if you are submitting a claim for a Mishimoto Product damaged in an accident). In addition, if requested by Mishimoto, you must also send the Mishimoto Product for which a claim is being made, all transportation expenses prepaid, to Mishimoto.

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