'15-18 Ram 6.7L Cummins Transmission Cooler

  • VENDOR: Mishimoto
  • MSRP: Regular price $628.81
  • YOUR PRICE: $499.95


Mishimoto's 2015-2018 RAM 6.7L Cummins transmission cooler utilizes 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.


  • Direct fit for 2015-2018 RAM 6.7L Cummins
  • 112% increase in core volume over stock cooler
  • 237% increase in external fin area over stock cooler
  • 226% increase in fluid capacity over stock cooler
  • Internal fins distribute fluid throughout the tube for more efficient cooling


  • (1) Mishimoto Transmission Cooler
  • (2) Aluminum Spacers
  • (2) Quick-Disconnect Fittings
  • Mounting Hardware


To make even better use of that extra core volume, the Mishimoto transmission cooler utilizes fins within the tubes to not only add more cooling surface area, but also ensure more of the fluid contacts the tube, leading to better cooling efficiency. All these improvements make the Mishimoto transmission cooler the ideal replacement for your stock transmission cooler.

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