Keeping your cool during the hottest of situations is critical for your truck’s transmission. Mishimoto has designed a transmission cooler for the Duramax 6.6L to help your truck keep its cool.
It features a stacked-plate construction for maximum durability and superior cooling. CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines. It has 174 percent greater core volume than stock coolers and 192 percent more external fin surface area. It also comes with the Mishimoto Lifetime Warranty.
Price: $425. Website: www.mishimoto.com.