Mishimoto Transmission Cooler for 2003-2009 Dodge Ram 5.9L/6.7L Cummins Stack...

Mishimoto Transmission Cooler for 2003-2009 Dodge Ram 5.9L/6.7L Cummins Keep your Cummins transmission running cooler and longer. Designed for 2003–2009 Dodge Ram 5.9L and 6.7L Cummins engines, the Mishimoto transmission cooler delivers reliable, high-capacity cooling for towing, fleet duty, or daily driving. Key Benefits Superior cooling performance: Stacked plate core with 212% greater core volume for rapid heat rejection. Increased fluid capacity: 244% more fluid capacity than the OEM cooler to reduce operating temperatures and protect internal components. Durable construction: Robust materials and design built to withstand heavy use and extended towing. Serviceable thermostat: Easily accessible top-mounted thermostat port allows quick servicing or easy bypass for constant cooling—prevents OEM failure-mode that sends hot fluid back to the transmission. Direct-fit installation: Engineered for a precise fit on compatible 2003–2009 Dodge Ram Cummins models for straightforward installation. Why Choose Mishimoto Mishimoto’s transmission cooler is engineered to outperform stock coolers by increasing capacity and improving reliability. Replacement thermostats are available individually, making maintenance simple and cost-effective. Protect your transmission from heat-related wear and maintain consistent performance under load. Perfect for towing, hauling, and heavy-duty use. Upgrade your Dodge Ram Cummins with a proven cooling solution from Mishimoto.