Mishimoto 11-14 Chevrolet / GMC 6.6L Duramax (LML) Transmission Cooler

There’s no greater enemy for a transmission than heat. Whether your 2011-2014 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2011-2014 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It’s durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 41-percent greater core volume, and 73-percent greater fin surface area than the stock 2011-2014 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.

• CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
• Direct-fit for all 2011-2014 Chevrolet/GMC with Allison transmission (LML)
• Stacked-plate construction for maximum durability and superior cooling

Fitment:
Chevrolet Silverado 2500 HD LT 2011 to 2014
Chevrolet Silverado 2500 HD LTZ 2011 to 2014
Chevrolet Silverado 2500 HD WT 2011 to 2014
Chevrolet Silverado 3500 HD LT 2011 to 2014
Chevrolet Silverado 3500 HD LTZ 2011 to 2014
Chevrolet Silverado 3500 HD WT 2011 to 2014
GMC Sierra 2500 HD Denali 2011 to 2014
GMC Sierra 2500 HD SLE 2011 to 2014
GMC Sierra 2500 HD SLT 2011 to 2014
GMC Sierra 2500 HD WT 2011 to 2014
GMC Sierra 3500 HD Denali 2011 to 2014
GMC Sierra 3500 HD SLE 2011 to 2014
GMC Sierra 3500 HD SLT 2011 to 2014
GMC Sierra 3500 HD WT 2011 to 2014