5.9L and 6.7L Cummins got a Transcooler

There’s 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 with a liking for the drag-strip, you need to ensure that your transmission runs cool. That's why our engineers developed our 2003–2009 Dodge Ram 5.9L/6.7L Cummins transmission cooler that utilizes a stacked plate core for durable and powerful cooling. With a massive 212% greater core volume and 244% increase in fluid capacity, your Ram is staying cool. Like all Mishimoto products, this Transmission Cooler includes the Mishimoto Lifetime Warranty.