Mishimoto MMTC-K2-14 Transmission Cooler

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Looking to curb high trans temps in your 2014+ GM truck? The transmission cooling experts at Mishimoto have you covered!  With their industry leading designs that offer a direct “plug and play” fitment, you can install their 2014+ GM truck specific transmission cooler in your driveway with basic hand tools within a few hours.

As recommended in our Silverado and Sierra transmission cooler guide, the Mishimoto MMTC-K2-14 is one of the best coolers for these trucks given the fact it provides serious ATF cooling and is designed for a simple installation. 

Transmission CoolerDirect Fit?Type Of CoolerPrice
Mishimoto MMTC-K2 Transmission Cooler - Transmission Cooler GuideMishimoto MMTC-K2-14YesPlate & FinShop Now

Mishimoto MMTC-K2 Specs

Mishimoto Transmission Cooler For 2014+ Silverads & Sierra - Transmission Cooler Guide

The Mishimoto MMTC-K2 is a 27″ wide plate and fin style cooler that can help you use your truck to its full capabilities..

This Mishimoto transmission cooler comes with a complete installation kit that is specifically designed for your truck, which makes for a hassle free installation. All lines, brackets, clamps and fittings are included and designed to make install very simple with basic handtools and some common DIY know-how.

The only thing you will need to complete the installation is an extra quart of Dexron VI ATF to compensate for the additional 0.65 quarts of fluid capacity and to replace any fluid that may have leaked out during installation from the factory lines. As always, you should check your transmission fluid level to make sure you are within a suitable range. 

Cooler Dimensions: 27″ x 6″ x 1.25″

Cooler Type: Plate & Fin

Fitting Size: 3/8″ barb

Number of Cooling Rows: 14

Additional Fluid Capacity: 0.65 Quarts

Fits The Following Application:

2015+ Cadillac Escalade 6.2L V8
2015+ Cadillac Escalade 6.2L V8
2014+ Chevrolet Silverado 1500 5.3L V8
2014+ Chevrolet Silverado 1500 6.2L V8
2015+ Chevrolet Suburban 5.3L V8
2015+ Chevrolet Tahoe 5.3L V8
2014+ GMC Sierra 1500 5.3L V8
2014+ GMC Sierra 1500 6.2L V8
2015+ GMC Yukon 5.3L V8
2015+ GMC Yukon 6.2L V8
2015+ GMC Yukon XL 5.3L V8
2015+ GMC Yukon XL 6.2L V8

Mishimoto MMTC-K2 Installation

Mishimoto MMTC-K2 14 Install - Transmission Cooler Guide

As mentioned, this cooler comes with a complete installation kit that includes the correct transmission lines and hoses, clamps, and mounting hardware. This makes for one of the more seamless transmission coolers on your 2014+ GM truck.

While the cooler may cost more than others, the cost is certainly made up for the direct fitment that is extremely easy to mount on your truck.

In this step by step installation video, you will see that this is truly a direct fit transmission cooler that Mishimoto made extremely easy to install yourself in your driveway with basic hand tools.is 

Mishimoto MMTC-K2-14 Pros & Cons


  • Heavy Duty
  • Direct Fit
  • Includes All Hardware
  • Easy Installation
  • Fits All Full Size GM Trucks


  • Price 


The Mishimoto MMTC-K2-14 is the perfect choice for all your 2014+ GM full sized truck’s transmission cooling needs. With its large 27″ x 6″ x 1.25″ core, you can rest assured that high transmission temps are a thing of the past.

This cooler provides an 0.65 quarts of fluid to the transmission cooling system, so it is best to check your transmission fluid after installation to make sure your truck is at the proper fluid level. 

The Mishimoto MMTT-K2-14 transmission cooler is a direct fit for your 2014+ GM truck, so installation is a breeze compared to universal trans coolers. 

Overall, if you use your truck for any heavy towing or hauling, this cooler will help prolong the life of your transmission and keep your truck on the road longer.