SKU: 31719802905

Mishimoto MMTC-RAM-15SL FITS: 15-18 Dodge RAM 6.7L Cummins Transmission Cooler Transmission Coolers

Sale price$228.28 Regular price$253.65
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Mishimoto MMTC-RAM-15SL FITS: 15-18 Dodge RAM 6.7L Cummins Transmission Cooler Transmission CoolersThere's no greater enemy for a transmission than heat. Whether your 2015 2018 RAM 6. 7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the dragstrip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct fit transmission cooler to do just that. Our 2015 2018 RAM 6. 7L Cummins transmission cooler utilizes a tube and fin core with internal fins to balance flow

There's no greater enemy for a transmission than heat. Whether your 2015-2018 RAM 6.7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the dragstrip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 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-percent greater core volume, 237-percent increase in fin area, and 226-percent increase in fluid capacity, this trans cooler is a huge improvement over the stock unit. 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.Installation of the Mishimoto 2015-2018 RAM 6.7L Cummins transmission cooler requires no cutting or other modifications and includes all hardware needed for a fast and easy install. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.

  • 237-percent increase in external fin area over stock cooler
  • 226-percent increase in fluid capacity over stock cooler
  • 112-percent increase in core volume over stock cooler

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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31719802905

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DB
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★★★★★ 5
Much Needed Cabin Air Filter Replacement!
This Cabin air filter replacement is working well. It had been a long time since I replaced my cabin filter, so this was a much needed replacement. It was easy to do, and a much needed replacement. The air quality inside my car is much better. It smells fresh, and light and airy now.
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Reviewed in the United States on March 29, 2026
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Sam Meng
Charlottesville, US
★★★★★ 5
Great quality and noticed an immediate difference!
Style: BE-966H 1-Pack
Even though it’s not the OEM (original) filter, the quality is outstanding! It was easy to install and fits perfectly. I noticed a significant improvement in the air quality inside my car right away. Definitely a great buy!
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Reviewed in the United States on May 23, 2026
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Seaner
Cuba, US
★★★★★ 5
Easiest DIY ever
Style: BE-157H 1-Pack
So a Toyota dealer will want $40+ to replace this filter, but for $10 and 2mins you can easily do this yourself. There’s a great 1:30 how-to vid on the YouTube, drop the glove box (one push) open the little door, remove old filter (note the arrow) and put in the new one, close door, close glove box, enjoy better flow and fresh air. This filter is a HEPA so it’s a performance upgrade over the OEM, fit is perfect, seems sturdier than the OEM, great value if you’ve got 2mins. Highly recommend. Thanks!
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Reviewed in the United States on June 23, 2025
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Karen Michael-Pook
Houston, US
★★★★★ 5
Awesome Cabin Air Filter
Style: BE-151H 1-Pack
This product is not only cost efficient, it was also easy to install. The instructions in the package were helpful. I would definitely recommend using this filter for your 2017 Hyundai Sonata.
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Reviewed in the United States on May 13, 2026
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milt loper
Los Angeles, US
★★★★★ 4
the "fit" is very precise
Style: BE-176H 1-Pack
Nice Fabrication, Good materials, perfect adhesive applications, "clean joints" etc. Appears to be a good UPGRADE from the stock Motorcraft product. CONs: The FIT was a "smidge TIGHT", and took very precise initial alignment and "pressure" to begin to slide into the rectangular hole. I measured the "Hole" at 7.375" wide, or (187.33 mm)... the FILTER is exactly the SAME. I would suggest maybe reducing the Width by 1 mm, to allow for an easier installation. The MOTORCRAFT uses an "open-cell" foam structure for the (2) Side pieces on their filter assembly, allowing some "compression to fit", of the Width, easing the difficulty of installation, yet still filling all voids. In summation, the "fit" is very precise. Not to be hurried or rushed, maybe a bit meticulous for the impatient or weak of heart.
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