Mishimoto Aluminum Radiator - 2011 - 2015 6.6L Duramax



 Mishimoto has released a direct-fit performance aluminum radiator for the 2011-2016 Chevrolet/GMC 6.6L Duramax LML. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100% brazed aluminum core and polished end tanks. The Mishimoto Duramax radiator offers a 22% increase in coolant capacity, increased cooling efficiency, and the all-aluminum TIG-welded construction provides a rugged design that can take the abuse of any environment or terrain. Pair your Mishimoto 6.6L Duramax aluminum radiator with other Mishimoto Duramax performance parts such as the Mishimoto Chevrolet/GMC 6.6L Duramax Silicone Coolant Hose Kit for the ultimate in cooling performance and reliability. The Mishimoto 6.6L Duramax aluminum radiator retains factory fitment and requires no modification to your truck. This radiator also includes a Mishimoto M12 x 1.5 Magnetic Drain Plug to help catch any metal debris from your engine. Whether you use your Duramax for tearing up the drag strip or working at the job site, you can trust the Mishimoto performance radiator to keep your truck cool. As with all our Duramax performance parts, this aluminum radiator is protected by the Mishimoto lifetime warranty.



Overall Size
44.0” x 28.9” x 5.6”

Core Size
33.46" x 27.76"


Factory-Style Quick-Disconnect

11+ Chevrolet Silverado 2500 HD w/ 6.6L Duramax LML
11+ Chevrolet Silverado 3500 HD w/ 6.6L Duramax LML
11+ GMC Sierra 2500 HD w/ 6.6L Duramax LML
11+ GMC Sierra 3500 HD w/ 6.6L Duramax LMLRows

Core Thickness

Tank Wall Thickness

Drain Plug Thread Size
M12 x 1.5

Purchase Includes
Mishimoto Radiator
Magnetic Drain Plug w/ Dowty Oil Seal
Mishimoto Lifetime Warranty