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Mishimoto

MM Transmission Coolers

$399.95

SKU: MMTC-GMT-99 · Cooling

Product Details

Automatic transmission oil cooler designed to regulate fluid temperature and prevent overheating. Enhances transmission longevity, maintains performance, and features durable construction with a precise fit.

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 that's 521% larger than stock, and a 278% increase in frontal area, the Mishimoto transmission cooler adds significant cooling capacity to your truck whether you're 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.

  • 278% increase in frontal surface area transfers more heat at any speed
  • 521% increase in core volume for vastly improved cooling capacity
  • -6ORB quick-disconnects can easily be swapped for -6AN fittings

Vehicle Fitment 104 applications

Cadillac (9)

  • 2002–2006 Escalade EXT 6.0L V8 (Gen III LS)
  • 2002–2005 Escalade 5.3L V8 (Gen III LS)
  • 2002–2006 Escalade 6.0L V8 (Gen III LS)
  • 2003–2006 Escalade ESV 6.0L V8 (Gen III LS)
  • 2007–2013 Escalade ESV 6.2L V8 (Gen IV LS)
  • 2007–2013 Escalade EXT 6.2L V8 (Gen IV LS)
  • 2007–2013 Escalade 6.2L V8 (Gen IV LS)
  • 2014 Escalade ESV 6.2L V8 (Gen IV LS)
  • 2014 Escalade 6.2L V8 (Gen IV LS)

Chevrolet (47)

  • 1999–2013 Silverado 1500 4.3L Vortec V6
  • 1999–2006 Silverado 1500 4.8L V8 (Gen III LS)
  • 1999–2006 Silverado 1500 5.3L V8 (Gen III LS)
  • 1999–2000 Silverado 2500 5.3L V8 (Gen III LS)
  • 1999–2004 Silverado 2500 6.0L V8 (Gen III LS)
  • 2000–2006 Suburban 2500 6.0L V8 (Gen III LS)
  • 2000–2006 Tahoe 4.8L V8 (Gen III LS)
  • 2001–2003 Silverado 1500 HD 6.0L V8 (Gen III LS)
  • 2001–2006 Silverado 2500 HD 6.0L V8 (Gen III LS)
  • 2001–2010 Silverado 2500 HD 6.6L Duramax Diesel
  • 2001–2006 Silverado 2500 HD 8.1L Vortec V8
  • 2001–2006 Silverado 3500 6.0L V8 (Gen III LS)
  • 2001–2006 Silverado 3500 6.6L Duramax Diesel
  • 2001–2006 Silverado 3500 8.1L Vortec V8
  • 2001–2006 Suburban 2500 8.1L Vortec V8
  • 2002–2006 Avalanche 1500 5.3L V8 (Gen III LS)
  • 2003–2006 Silverado 1500 6.0L V8 (Gen III LS)
  • 2005–2006 Silverado 1500 HD 6.0L V8 (Gen III LS)
  • 2006 Suburban 1500 6.0L V8 (Gen III LS)
  • 2007–2013 Silverado 1500 4.8L V8 (Gen IV LS)
  • 2007–2013 Silverado 1500 5.3L V8 (Gen IV LS)
  • 2007–2013 Silverado 1500 6.0L V8 (Gen IV LS)
  • 2007–2010 Silverado 2500 HD 6.0L V8 (Gen IV LS)
  • 2007–2009 Suburban 1500 6.0L V8 (Gen IV LS)
  • 2007–2013 Suburban 2500 6.0L V8 (Gen IV LS)
  • 2007–2009 Tahoe 4.8L V8 (Gen IV LS)
  • 2007–2013 Avalanche 5.3L V8 (Gen IV LS)
  • 2007–2009 Avalanche 6.0L V8 (Gen IV LS)
  • 2007 Silverado 1500 Classic 4.3L Vortec V6
  • 2007 Silverado 1500 Classic 4.8L V8 (Gen IV LS)
  • 2007 Silverado 1500 Classic 5.3L V8 (Gen III LS)
  • 2007 Silverado 1500 Classic 6.0L V8 (Gen III LS)
  • 2007 Silverado 1500 HD Classic 6.0L V8 (Gen III LS)
  • 2007 Silverado 2500 HD Classic 6.0L V8 (Gen III LS)
  • 2007 Silverado 2500 HD Classic 6.6L Duramax Diesel
  • 2007 Silverado 2500 HD Classic 8.1L Vortec V8
  • 2007 Silverado 3500 Classic 6.0L V8 (Gen III LS)
  • 2007 Silverado 3500 Classic 6.6L Duramax Diesel
  • 2007 Silverado 3500 Classic 8.1L Vortec V8
  • 2007–2010 Silverado 3500 HD 6.0L V8 (Gen IV LS)
  • 2007–2010 Silverado 3500 HD 6.6L Duramax Diesel
  • 2007–2013 Suburban 1500 5.3L V8 (Gen IV LS)
  • 2007–2013 Tahoe 5.3L V8 (Gen IV LS)
  • 2008–2009 Tahoe 6.2L V8 (Gen IV LS)
  • 2009–2013 Silverado 1500 6.2L V8 (Gen IV LS)
  • 2014 Suburban 1500 5.3L V8 (Gen IV LS)
  • 2014 Tahoe 5.3L V8 (Gen IV LS)

GMC (48)

  • 1999–2013 Sierra 1500 4.3L Vortec V6
  • 1999–2006 Sierra 1500 4.8L V8 (Gen III LS)
  • 1999–2006 Sierra 1500 5.3L V8 (Gen III LS)
  • 1999–2000 Sierra 2500 5.3L V8 (Gen III LS)
  • 1999–2004 Sierra 2500 6.0L V8 (Gen III LS)
  • 2000–2006 Yukon XL 2500 6.0L V8 (Gen III LS)
  • 2000–2006 Yukon 4.8L V8 (Gen III LS)
  • 2001–2003 Sierra 1500 HD 6.0L V8 (Gen III LS)
  • 2001–2006 Sierra 1500 6.0L V8 (Gen III LS)
  • 2001–2006 Sierra 2500 HD 6.0L V8 (Gen III LS)
  • 2001–2010 Sierra 2500 HD 6.6L Duramax Diesel
  • 2001–2006 Sierra 2500 HD 8.1L Vortec V8
  • 2001–2006 Sierra 3500 6.0L V8 (Gen III LS)
  • 2001–2006 Sierra 3500 6.6L Duramax Diesel
  • 2001–2006 Sierra 3500 8.1L Vortec V8
  • 2001–2006 Yukon XL 1500 6.0L V8 (Gen III LS)
  • 2001–2006 Yukon XL 2500 8.1L Vortec V8
  • 2001–2006 Yukon 6.0L V8 (Gen III LS)
  • 2005–2006 Sierra 1500 HD 6.0L V8 (Gen III LS)
  • 2007–2013 Sierra 1500 4.8L V8 (Gen IV LS)
  • 2007–2013 Sierra 1500 5.3L V8 (Gen IV LS)
  • 2007–2013 Sierra 1500 6.0L V8 (Gen IV LS)
  • 2007–2010 Sierra 2500 HD 6.0L V8 (Gen IV LS)
  • 2007–2009 Yukon XL 1500 6.0L V8 (Gen IV LS)
  • 2007–2013 Yukon XL 2500 6.0L V8 (Gen IV LS)
  • 2007–2009 Yukon 4.8L V8 (Gen IV LS)
  • 2007 Sierra 1500 Classic 4.3L Vortec V6
  • 2007 Sierra 1500 Classic 4.8L V8 (Gen IV LS)
  • 2007 Sierra 1500 Classic 5.3L V8 (Gen III LS)
  • 2007 Sierra 1500 Classic 6.0L V8 (Gen III LS)
  • 2007 Sierra 1500 HD Classic 6.0L V8 (Gen III LS)
  • 2007–2013 Sierra 1500 6.2L V8 (Gen IV LS)
  • 2007 Sierra 2500 HD Classic 6.0L V8 (Gen III LS)
  • 2007 Sierra 2500 HD Classic 6.6L Duramax Diesel
  • 2007 Sierra 2500 HD Classic 8.1L Vortec V8
  • 2007 Sierra 3500 Classic 6.0L V8 (Gen III LS)
  • 2007 Sierra 3500 Classic 6.6L Duramax Diesel
  • 2007 Sierra 3500 Classic 8.1L Vortec V8
  • 2007–2010 Sierra 3500 HD 6.0L V8 (Gen IV LS)
  • 2007–2010 Sierra 3500 HD 6.6L Duramax Diesel
  • 2007–2013 Yukon XL 1500 5.3L V8 (Gen IV LS)
  • 2007–2013 Yukon XL 1500 6.2L V8 (Gen IV LS)
  • 2007–2013 Yukon 5.3L V8 (Gen IV LS)
  • 2007–2013 Yukon 6.2L V8 (Gen IV LS)
  • 2014 Yukon XL 1500 6.2L V8 (Gen IV LS)
  • 2014 Yukon 6.2L V8 (Gen IV LS)
  • 2014 Yukon XL 1500 5.3L V8 (Gen IV LS)
  • 2014 Yukon 5.3L V8 (Gen IV LS)