Mishimoto · New

Mishimoto 11+ Chevy 6.6L Duramax Radiator

Name: Mishimoto 11+ Chevy 6.6L Duramax Radiator
Brand: Mishimoto
SKU: misMMRAD-DMAX-11
Price: 1045.00 USD

MPN MMRAD-DMAX-11 · Store SKU misMMRAD-DMAX-11

$1,045.00

IN STOCK2 ready to ship

Supplier stock checked 11/8/2026, 4:51:40 AM UTC. Adding a part does not reserve it.

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Product details

Mishimoto has released a direct-fit performance aluminum radiator for the 2011+ Chevrolet/GMC 6.6L Duramax LML. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100-percent brazed aluminum core and polished end tanks. The Mishimoto Duramax radiator offers a 22-percent 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 our 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. 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 products, this Duramax radiator is protected by the Mishimoto lifetime warranty. Mishimoto has released a direct-fit performance aluminum radiator for the 2011+ 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 our 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. 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 products, this Duramax radiator is protected by the Mishimoto lifetime warranty. Aluminum radiator engineered for efficient heat dissipation and optimal engine cooling. Precision-fit design ensures easy installation, corrosion resistance, and reliable performance across varied driving conditions. Performance Aluminum Radiator, fits Chevrolet/GMC 6.6L Duramax 2011-2016 Chevrolet/GMC 6.6L Duramax Aluminum Radiator

Manufacturer fitment & guides

2015 Chevrolet Silverado 2500 HD High Country 6.6 Liter 1000, 2015 Chevrolet Silverado 2500 HD High Country 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 2500 HD LT 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 2500 HD LT 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 2500 HD LTZ 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 2500 HD LTZ 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 2500 HD WT 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 2500 HD WT 6.6 Liter 6L90, 2015 Chevrolet Silverado 3500 HD High Country 6.6 Liter 1000, 2015 Chevrolet Silverado 3500 HD High Country 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 3500 HD LT 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 3500 HD LT 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 3500 HD LTZ 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 3500 HD LTZ 6.6 Liter 6L90, 2011-2015 Chevrolet Silverado 3500 HD WT 6.6 Liter 1000, 2011-2015 Chevrolet Silverado 3500 HD WT 6.6 Liter 6L90, 2015 GMC Sierra 2500 HD Base 6.6 Liter 1000, 2015 GMC Sierra 2500 HD Base 6.6 Liter 6L90, 2011-2015 GMC Sierra 2500 HD Denali 6.6 Liter 1000, 2011-2015 GMC Sierra 2500 HD Denali 6.6 Liter 6L90, 2011-2015 GMC Sierra 2500 HD SLE 6.6 Liter 1000, 2011-2015 GMC Sierra 2500 HD SLE 6.6 Liter 6L90, 2011-2015 GMC Sierra 2500 HD SLT 6.6 Liter 1000, 2011-2015 GMC Sierra 2500 HD SLT 6.6 Liter 6L90, 2011-2014 GMC Sierra 2500 HD WT 6.6 Liter 1000, 2011-2014 GMC Sierra 2500 HD WT 6.6 Liter 6L90, 2015 GMC Sierra 3500 HD Base 6.6 Liter 1000, 2015 GMC Sierra 3500 HD Base 6.6

Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

Installation Instructions

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