Mishimoto Transmission Cooler for Chevy/GMC 6.6L Duramax 2006-2010 Stacked-Plate

Mishimoto Transmission Cooler for Chevy/GMC 6.6L Duramax (2006–2010) — Stacked-Plate Protect your transmission from destructive heat . Designed for 2006–2010 Chevy and GMC 6.6L Duramax trucks, this Mishimoto stacked-plate transmission cooler delivers superior cooling for towing, heavy use, or spirited driving. Stacked-plate core for maximum durability and efficient heat transfer. Significantly larger than stock — 84% greater core volume and 125% more fin surface area than the factory cooler. Direct-fit design with CNC-machined adapters that connect to stock transmission lines for a leak-free installation. Complete hardware — includes direct-fit brackets and tailored hoses for a straightforward, OEM-like install. Lifetime Warranty with Accident Protection — the confidence of Mishimoto coverage while you own the vehicle. This cooler is ideal for tow vehicles, fleet trucks, and performance builds that demand reliable transmission temperature control. Increase fluid life, reduce overheating risk, and maintain transmission performance under load with a proven aftermarket upgrade.