Mishimoto

Mishimoto MMTCGMT99 Transmission Cooler for Chevrolet Silverado And GMC Sierra

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SKU:
20803502
MPN:
mmtcgmt99
Availability:
Usually ships the same or next business day. In stock at our CA, GA, KS, MI, PA, TX, WA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
04/24/2026 11:08:24 PM PST
$399.95   Add to cart for price.   
Stock Update:
04/24/2026 11:08:24 PM PST

Description

This item is brand-new, factory sealed.

Performance Transmission Cooler, Compatible with Chevrolet Silverado/GMC Sierra 1999-2013
  • Direct fit for 1999-2013 Chevrolet Silverado and GMC Sierra
  • 521% increase in core volume for vastly improved cooling capacity
  • 278% increase in frontal surface area transfers more heat at any speed
  • -6ORB quick-disconnects can easily be swapped for -6AN fittings
  • Patent Pending; Mishimoto Lifetime Warranty
  • Manufacturer: ?Mishimoto
  • Brand: ?Mishimoto
  • Model: ?MMTC-GMT-99
  • Item Weight: ?15.16 pounds
  • Product Dimensions: ?37 x 4 x 17 inches
  • Is Discontinued By Manufacturer: ?No
  • Manufacturer Part Number: ?MMTC-GMT-99

There's no greater enemy for a transmission than heat. Whether your 1999-2013 GMT800 or 900 Chevy Silverado/GMC Sierra is a dedicated tow vehicle, hardworking fleet truck, or a daily driver, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a cooler to do just that.----Our 1999-2013 Chevy Silverado/GMC Sierra performance transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. With a massive core thats 521% larger than stock, and a 278% increase in frontal area, the Mishimoto transmission cooler adds significant cooling capacity to your truck whether youre towing a heavy load, or low-speed driving on the trail. Internal fins and louvered external fins circulate cool air and fluid throughout the core for optimal heat transfer.----Included with the Mishimoto transmission cooler are precision-machined -6ORB quick-disconnects that connect directly to the stock lines, or can be removed allow the use of -6AN lines. We also include a relocation bracket for the ambient air temperature sensor to keep full functionality of your truck. An adjustable mounting bracket makes installing this transmission cooler a breeze in an hour or less.--Like all Mishimoto products, our 1999-2013 Chevy Silverado/GMC Sierra transmission cooler is backed by our Lifetime Warranty with Accident Protection for worry-free cooling as long as you own it.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Mishimoto MMTCGMT99 Transmission Cooler for Chevrolet Silverado And GMC Sierra
$399.95   Add to cart for price.