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Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.
Heat is the silent killer of automatic transmissions. For your 2006-2010 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 equipped with the 6.6L Duramax LBZ or LMM engine, maintaining optimal transmission temperatures is crucial, whether you're hauling heavy loads, working your truck hard, or enjoying spirited driving. The Mishimoto direct-fit transmission cooler is the ultimate solution to combat excessive heat.
Featuring a high-performance stacked-plate core, this Mishimoto transmission cooler offers superior durability and exceptional heat dissipation. Compared to the stock unit, this cooler provides:
These significant improvements translate to lower transmission fluid temperatures, reducing the risk of overheating, extending the life of your transmission components, and maintaining consistent performance. The cooler comes with precision-engineered, CNC-machined adapters for a hassle-free installation, ensuring a perfect fit with your truck's existing lines.
Don't let heat compromise your Duramax truck's transmission. Upgrade to the Mishimoto transmission cooler for reliable, efficient cooling. Find this essential upgrade at GGCRACING.
| Brand | Mishimoto |
|---|---|
| Manufacturer part number | MMTC-DMAX-06SL |
| GGC SKU | MISMMTC-DMAX-06SL |
| UPC / GTIN | 811580034091 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 29.8 × 15.4 × 4.7 in |
|---|---|
| Shipping weight | 8.3 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2006 | Chevrolet | Silverado 2500 HD | LS |
| 2006-2010 | Chevrolet | Silverado 2500 HD | LT, WT |
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS, LT, WT |
| 2006 | Chevrolet | Silverado 3500 | LS, LT, WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS, LT, WT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT, LTZ, WT |
| 2006 | GMC | Sierra 2500 HD | SL |
| 2006-2010 | GMC | Sierra 2500 HD | SLT, WT, SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SL, SLE, SLT, WT |
| 2006 | GMC | Sierra 3500 | SL, SLE, SLT, WT |
| 2007 | GMC | Sierra 3500 Classic | SL, SLE, SLT, WT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE, SLT, WT |
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