Mishimoto Transmission Cooler 2001-2019 Duramax

Mishimoto has developed a direct-fit transmission cooler for your 2001–2019 Chevy/GMC 6.6L Duramax. This transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174% greater core volume, and 192% greater fin surface area than the stock Duramax transmission cooler.