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Mishimoto Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler
Mishimoto Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler
Mishimoto Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler
Mishimoto Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler
Mishimoto Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler
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Mishimoto 15-18 Dodge RAM 6.7L Cummins Transmission Cooler

Mishimoto
MISMMTC-RAM-15SL
811580038297
Transmission Coolers
20+ Units In Stock - Ships Next Business Day
$ 616.00 $ 559.95
$ 559.95

SKU: MMTC-RAM-15SL | UPC: 811580038297

Mishimoto 2015-2018 Ram 6.7L Cummins Transmission Cooler

Combat transmission heat with the Mishimoto transmission cooler designed for 2015-2018 Ram 2500 and 3500 models equipped with the 6.7L Cummins diesel engine. This direct-fit upgrade features a tube-and-fin core with internal turbulated fins to deliver balanced fluid flow and enhanced cooling for tow vehicles fleet trucks or performance drivers. It replaces the stock unit with 112% greater core volume 237% more fin area and 226% increased fluid capacity for sustained transmission temperatures under heavy loads.

Key Features

  • Increased Core Volume: 112% larger than stock to handle higher fluid throughput and dissipate heat faster during extended towing or hard driving
  • Expanded Fin Area: 237% gain in external fin surface area combined with internal tube fins to maximize contact and cooling efficiency
  • Higher Fluid Capacity: 226% boost over OEM capacity ensures more transmission fluid stays cooler longer for reliable shifts and longevity
  • Tube-and-Fin Design: All-aluminum construction with turbulated internal fins promotes turbulence for better heat transfer without restricting flow
  • Direct-Fit Installation: Bolt-on replacement includes brackets fittings and hardware for plug-and-play fitment with no cutting or modifications

Product Notes

  • Ideal replacement for stock cooler on high-stress applications like towing hauling or racing
  • Maintain peak performance by monitoring transmission temps post-install
  • Packaged for protection during transit with shipping weight of 15.1 lbs

Installation Notes

  • Professional installation recommended.
  • Direct bolt-on process takes under 2 hours with basic tools
  • Complete hardware kit ensures compatibility with factory lines and mounts

This Part Fits

Year Make Model Submodel
2015-2018 Ram 2500 Big Horn
2015-2018 Ram 2500 Laramie
2015 Ram 2500 Laramie Limited
2015-2018 Ram 2500 Laramie Longhorn
2016-2018 Ram 2500 Limited
2015 Ram 2500 Lone Star
2015-2016 Ram 2500 Outdoorsman
2015-2018 Ram 2500 Power Wagon
2015-2018 Ram 2500 SLT
2015-2018 Ram 2500 Tradesman
2015-2018 Ram 3500 Big Horn
2015-2018 Ram 3500 Laramie
2015 Ram 3500 Laramie Limited
2015-2018 Ram 3500 Laramie Longhorn
2016-2018 Ram 3500 Limited
2015,2017 Ram 3500 Lone Star
2015-2018 Ram 3500 SLT
2015-2018 Ram 3500 Tradesman

Why Choose Mishimoto?

  • Lifetime Warranty with Accident Protection covers defects and damage for as long as you own the vehicle
  • Engineered and tested specifically for 2015-2018 Ram 6.7L Cummins platforms with proven temperature reductions
  • Precision all-aluminum build delivers consistent cooling gains over factory components

Frequently Asked Questions

  • Q: Does this transmission cooler fit 2016 Ram 2500 Power Wagon 6.7L Cummins?
    A: Yes it provides direct-fit installation for all listed 2015-2018 Ram 2500 and 3500 submodels with 6.7L Cummins diesel engines including Power Wagon
  • Q: What materials are used in construction?
    A: Durable all-aluminum tube-and-fin design resists corrosion and optimizes heat dissipation for long-term reliability
  • Q: What warranty coverage is included?
    A: Mishimoto Lifetime Warranty protects against manufacturing defects with added accident protection for peace of mind

Shipping & Handling

  • Method: Ground shipping via UPS or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 34.3 x 8.5 x 2.4 inches
  • Weight: 15.1 lbs shipping weight

Request For Information

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