Mishimoto Transmission Cooler for Chevy Duramax 11-Row Aluminum Core

Mishimoto 11-Row Transmission Cooler for Chevy Duramax (6.6L LML) Upgrade your Duramax's transmission cooling with the Mishimoto 11-row aluminum core cooler engineered specifically for 2011–2014 Chevrolet and GMC 6.6L LML trucks. Built to handle heavy towing and demanding driving conditions, this cooler reduces transmission fluid temperatures for improved performance and longevity. Fitment: 2011–2014 Chevrolet/GMC 6.6L Duramax (LML) Design: High-quality 11-row aluminum core for maximum heat rejection Durability: TIG-welded end tanks and corrosion-resistant finish Efficiency: Increased cooling surface area lowers fluid temps and helps prevent overheating under load Installation: Vehicle-specific mounting for straightforward, OEM-style fit Whether you tow heavy trailers or drive in hot climates, the Mishimoto transmission cooler offers reliable protection and longer transmission life. Backed by Mishimoto’s performance heritage, it’s a direct improvement over stock coolers for peace of mind on every trip.