
Key Features & Specs:
Fitment:
The Mishimoto Transmission Cooler for 2003-2009 Dodge Ram 2500 and 3500 Cummins trucks is designed to provide major cooling improvements for towing, hauling, fleet use, and daily driving. Built for 5.9L and 6.7L Cummins applications, this direct-fit stacked-plate transmission cooler delivers a 212% increase in core volume and a 244% increase in fluid capacity over stock. Its fully serviceable thermostat supports fast warm-up in cold climates, while the included thermostat bypass allows constant cooling in hot climates. This upgraded cooler also eliminates corrosion-prone quick-disconnect fittings for a more reliable setup.