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Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler

Heat is the ultimate enemy of your transmission. Whether you're towing, hauling, or driving aggressively, it's essential to keep your transmission cool. Mishimoto's direct-fit transmission cooler is designed to do just that.

Our transmission cooler features a tube-and-fin core with internal fins to balance flow with efficient cooling. With a massive 112% greater core volume, 237% increase in fin area, and 226% increase in fluid capacity, this trans cooler is a huge improvement over the stock unit.

  • Internal fins distribute fluid throughout the tube for more efficient cooling
  • 237% increase in external fin area over stock cooler
  • 226% increase in fluid capacity over stock cooler
  • 112% increase in core volume over stock cooler
  • Direct fit for 2015-2018 RAM 6.7L Cummins
  • Mishimoto Lifetime Warranty
Make Model Year Type
Ram 2500 2015 Big Horn
Ram 2500 2015 Laramie
Ram 2500 2015 Laramie Limited
Ram 2500 2015 Laramie Longhorn
Ram 2500 2015 Lone Star
Ram 2500 2015 Outdoorsman
Ram 2500 2015 Power Wagon
Ram 2500 2015 SLT
Ram 2500 2015 Tradesman
Ram 2500 2016 Big Horn
Ram 2500 2016 Laramie
Ram 2500 2016 Laramie Longhorn
Ram 2500 2016 Limited
Ram 2500 2016 Outdoorsman
Ram 2500 2016 Power Wagon
Ram 2500 2016 SLT
Ram 2500 2016 Tradesman
Ram 2500 2017 Big Horn
Ram 2500 2017 Laramie
Ram 2500 2017 Laramie Longhorn
Ram 2500 2017 Limited
Ram 2500 2017 Power Wagon
Ram 2500 2017 SLT
Ram 2500 2017 Tradesman
Ram 2500 2018 Big Horn
Ram 2500 2018 Laramie
Ram 2500 2018 Laramie Longhorn
Ram 2500 2018 Limited
Ram 2500 2018 Power Wagon
Ram 2500 2018 SLT
Ram 2500 2018 Tradesman
Ram 3500 2015 Big Horn
Ram 3500 2015 Laramie
Ram 3500 2015 Laramie Limited
Ram 3500 2015 Laramie Longhorn
Ram 3500 2015 Lone Star
Ram 3500 2015 SLT
Ram 3500 2015 Tradesman
Ram 3500 2016 Big Horn
Ram 3500 2016 Laramie
Ram 3500 2016 Laramie Longhorn
Ram 3500 2016 Limited
Ram 3500 2016 SLT
Ram 3500 2016 Tradesman
Ram 3500 2017 Big Horn
Ram 3500 2017 Laramie
Ram 3500 2017 Laramie Longhorn
Ram 3500 2017 Limited
Ram 3500 2017 Lone Star
Ram 3500 2017 SLT
Ram 3500 2017 Tradesman
Ram 3500 2018 Big Horn
Ram 3500 2018 Laramie
Ram 3500 2018 Laramie Longhorn
Ram 3500 2018 Limited
Ram 3500 2018 SLT
Ram 3500 2018 Tradesman
Mishimoto is the world's leading supplier of high-performance cooling products and was created by automotive enthusiasts for automotive enthusiasts. Since its founding in 2005, Mishimoto has more than a decade of experience working to design and manufacture superior cooling system upgrades. Day after day, the Mishimoto team works to perfect existing solutions and develop new ideas. From product planning, design and development to testing and commissioning, all processes are done in-house. No cooling system leaves the factory without being meticulously checked for quality and performance by the engineers. Mishimoto aluminium radiators from this manufacturer are popular with car fans all over the world.
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