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  See more parts for Dodge Ram 1500
Select the year of your Dodge Ram 1500:
Mishimoto Replacement Transmission Oil Cooler Dodge Ram 1500 | 2500 | 3500 2003-2007 - MMTC-RAM-03TQ
The factory transmission oil cooler on your 2003-2007 Dodge Ram 5.9L Cummins is a liquid-to-liquid cooling unit, utilizing the engine's cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures. This design is tried and true, and it works. Until it doesn't. When they wear out and fail, it can leak coolant into your transmission fluid. Mixing coolant into your transmission fluid can have catastrophic results, and nobody wants to spend thousands of dollars to rebuild or replace their transmission if it can be avoided. The Mishimoto Replacement Transmission Oil Cooler is a direct fit, OEM replacement that requires no modification to install. Made to OEM specifications, this transmission oil cooler is equivalent to an OEM part. By replacing your transmission cooler preventatively, you can save your transmission from falling victim to premature failure. As with all of our products, this cooler is backed by our signature Mishimoto Lifetime Warranty.

Purchase Includes:
  • (1) Replacement Transmission Oil Cooler
  • (1) Bracket
  • (2) -8AN Fittings
  • Mishimoto Lifetime Warranty


Features:
  • Direct fit for 2003-2007 Dodge Ram 5.9L Cummins
  • Durable, corrosion-resistant aluminum construction
  • Equivalent to OEM specifications for fit and function
  • Includes bracket for easy installation
  • Includes Mishimoto Lifetime Warranty
  • No modification required for installation
  • Replaces leaking or failing factory transmission oil cooler
  • Utilizes all factory lines and hardware


Specifications:
  • Core Construction: Stacked-plate
  • Core Height (in): 3.66
  • Core Length (in): 7.6
  • Core Thickness (in): 2.87
  • Overall Height (in): 6.34
  • Overall Length (in): 18.87
  • Overall Width (in): 5.79
  • Rows: 23
  • Vehicle Specifications:
    • Engine Codes: 5.9L Cummins


Fitment:
  • Dodge Ram 1500 Laramie 2003
  • Dodge Ram 1500 SLT 2003
  • Dodge Ram 1500 ST 2003
  • Dodge Ram 2500 2003-2007
  • Dodge Ram 2500 Laramie 2003-2007
  • Dodge Ram 2500 SLT 2003-2007
  • Dodge Ram 2500 SLT Night Runner Sport 2006
  • Dodge Ram 2500 SLT Sport 2006-2007
  • Dodge Ram 2500 Sport 2006-2007
  • Dodge Ram 2500 ST 2003-2007
  • Dodge Ram 2500 TRX4 2006-2007
  • Dodge Ram 3500 Laramie 2003-2007
  • Dodge Ram 3500 SLT 2003-2007
  • Dodge Ram 3500 Sport 2006-2007
  • Dodge Ram 3500 ST 2003-2007
  • Dodge Ram 3500 TRX4 2007

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

Proposition 65

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

Vehicle
2003
 Dodge Ram 1500
2003-2007
 Dodge Ram 2500
2003-2007
 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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