SKU: MIMMMTC-RAM-03SL

Transmission Cooler

50 in stock and ready for shipping
Confirmed fitment below
YEARS
2003-2009
MAKE / MODEL
Dodge RAM /
SERIES
2500/3500
ENGINE
6.7L Cummins
Sale price
$599.95
Regular price
$660
SAVE $60.05
or
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Free Shipping
ORDERS $70+
Easy Returns
HASSLE-FREE
Earn Rewards
ALLIGATOR POINTS
Not sure this fits your build?
Our diesel experts know these trucks. Call or chat before you buy.
1-208-719-7400

WARNING: Cancer and Reproductive Harm -www.p65warnings.ca.gov

PRODUCT DETAIL

Key Features & Description

2003-2009 Ram Cummins Mishimoto Duramax Transmission Cooler Features:

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

The 2003-2009 Ram Cummins Mishimoto Duramax Transmission Cooler Allows your Transmission to Run Cool Always

If you are already running heavy mods or towing heavy loads with your 2003-2009 Dodge Ram Cummins, you will be pushing your transmission extra hard to the point that it may overheat. To correct this issue, you need a way to bring the temperature down when exerting the energy to tow cargo or withstand heavy mods. The 2003-2009 Ram Cummins Mishimoto Duramax Transmission Cooler does so by having a greater core volume, greater fin surface area, and greater fluid capacity. No matter what you are towing, hauling, or rocking on your build, this transmission cooler will ensure that your transmission stays running cool.

Stack-Plated Design

The 2003-2009 Ram Cummins Mishimoto Duramax Transmission Cooler features a stacked-plated design that allows for powerful cooling of the transmission, while maintaining strength and durability. You will get 212% greater core volume and 244% greater fluid capacity than your stock transmission cooler. Included in this construction beyond the transmission cooler itself are the CNC-machined adapters that conveniently connect to your stock transmission cooler lines. You will get leak-free cooling that is backed by Mishimoto's Lifetime Warranty. There are also brackets and tailor-made hoses designed as a direct fit for easy installation.

Parts Included:

  • (1) Mishimoto Stacked Plate Transmission Cooler
  • (2) High-Pressure Transmission Cooler Lines
  • (1) Removable Thermostat
  • (1) Removable Thermostat Bypass
  • (2) CNC-Machined Stainless Steel Barbed Fittings
  • (2) CNC-Machined Aluminum 3/4"-16 ORB to Hose Barb Fittings
  • (6) Worm Gear Clamps

Fitment: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Dodge Ram Cummins

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2003-2009
Dodge RAM
2500/3500
6.7L Cummins

CUSTOMER REVIEWS

What Buyers Say

Call a Diesel Expert, we'll find the right fit for your build

Not sure this part is right for your truck? Our team knows these platforms inside out. No hold music, no scripts.

Chat with Us