The Mishimoto transmission cooler for the 1999-2013 GMT800/GMT900 Chevrolet Silverado and GMC Sierra is a direct-fit, stacked-plate upgrade for towing, fleet, and daily-driven trucks and SUVs. Its core is 521% larger than stock with a 278% increase in frontal area, and internal plus louvered external fins maximize heat transfer at any speed. Included -6ORB quick-disconnects connect to the stock lines or swap to -6AN, an ambient-air-temp sensor relocation bracket keeps full functionality, and an adjustable mounting bracket makes for an hour-or-less install. The same cooler fits a wide range of Silverado/Sierra, Tahoe/Yukon, Suburban, Avalanche and Escalade models (see fitment).
| Brand | Mishimoto |
| Type | Direct-fit transmission cooler |
| Core | Stacked-plate, internal + louvered external fins |
| vs. Stock | +521% core volume, +278% frontal area |
| Fittings | -6ORB quick-disconnect (or -6AN) |
| Included | Air-temp sensor relocation bracket, adjustable mount |
| Warranty | Mishimoto Lifetime Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2014 | Cadillac | Escalade | Base |
| 2008-2014 | Cadillac | Escalade | Platinum |
| 2003-2014 | Cadillac | Escalade ESV | Base |
| 2002-2013 | Cadillac | Escalade EXT | Base |
| 2007-2013 | Chevrolet | Avalanche | LS / LT / LTZ |
| 2002-2006 | Chevrolet | Avalanche 1500 | Base / LS / LT / Z71 |
| 1999-2013 | Chevrolet | Silverado 1500 | LS / LT |
| 2007-2013 | Chevrolet | Silverado 1500 | LTZ |
| 2002-2013 | Chevrolet | Silverado 1500 | WT |
| 1999-2004 | Chevrolet | Silverado 2500 | Base / LS / LT |
| 2001-2010 | Chevrolet | Silverado 2500 HD | LS / LT / LTZ / WT |
| 2001-2006 | Chevrolet | Silverado 3500 | Base / LS / LT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT / LTZ / WT |
| 2000-2014 | Chevrolet | Suburban 1500 | LS / LT / LTZ |
| 2000-2013 | Chevrolet | Suburban 2500 | LS / LT |
| 2000-2014 | Chevrolet | Tahoe | LS / LT / LTZ |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002-2013 | GMC | Sierra 1500 | Denali |
| 1999-2013 | GMC | Sierra 1500 | SLE / SLT |
| 1999-2004 | GMC | Sierra 2500 | SLE / SLT |
| 2001-2010 | GMC | Sierra 2500 HD | SLE / SLT / WT |
| 2001-2006 | GMC | Sierra 3500 | SLE / SLT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE / SLT / WT |
| 2000-2014 | GMC | Yukon | Denali / SLE / SLT |
| 2000-2014 | GMC | Yukon XL 1500 | Denali / SLE / SLT |
| 2000-2013 | GMC | Yukon XL 2500 | SLE / SLT |
Representative submodels shown; see the Mishimoto MMTC-GMT-99 application guide for the complete trim list.
