Skip to product information
1 of 7

Mishimoto

Mishimoto 2015-2016 GM 6.6L Duramax LML Transmission Cooler - Silver

Mishimoto 2015-2016 GM 6.6L Duramax LML Transmission Cooler - Silver

Regular price $499.95 USD
Regular price Sale price $499.95 USD
Sale Sold out
Quantity
There's no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML 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 2015-2016 Chevy/GMC 6.6L LML Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 67-percent greater core volume, and 164-percent greater fin surface area than the stock 2015-2016 LML 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. Automatic transmission oil cooler designed to regulate fluid temperature and prevent overheating. Enhances transmission longevity, maintains performance, and features durable construction with a precise fit.
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • Direct-fit for all 2015-2016 Chevrolet/GMC with Allison transmission (LML)
  • Stacked-plate construction for maximum durability and superior cooling

Protect your transmission from overheating with the Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler. Designed specifically for 2015-2016 Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models with Allison transmissions, this direct-fit cooler ensures optimal thermal regulation even under demanding conditions. Its stacked-plate construction provides maximum durability and superior cooling performance, helping to extend transmission lifespan and maintain consistent performance. The cooler's larger core volume and increased fin surface area—67% and 164% greater than the stock cooler—allow for more efficient heat dissipation, which is crucial for towing, heavy-duty work, or spirited driving. The included CNC-machined adapters enable seamless connection to stock transmission lines or AN fittings, simplifying installation. Custom-fit brackets and hoses are designed for a straightforward setup, reducing downtime and installation complexity. Backed by Mishimoto’s lifetime warranty with accident protection, this cooler offers peace of mind, ensuring your transmission stays cool and performs reliably for years to come. It is an essential upgrade for owners looking to improve their vehicle’s cooling capacity and protect against transmission damage. Constructed with high-quality materials, the Mishimoto transmission cooler combines durability, efficiency, and ease of installation, making it an excellent investment for any heavy-duty or performance-oriented application.

Features:

  • CNC-machined adapters for easy connection to stock or AN transmission lines
  • Direct-fit design for 2015-2016 Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD with Allison transmissions
  • Stacked-plate construction for maximum durability and cooling efficiency
  • 67% greater core volume and 164% more fin surface area than stock cooler
  • Includes custom brackets and hoses for straightforward installation
  • Backed by Mishimoto's lifetime warranty with accident protection

Fitment:
2015 Chevrolet Silverado 2500 HD High Country
2015 Chevrolet Silverado 2500 HD LT
2015 Chevrolet Silverado 2500 HD LTZ
2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2015 Chevrolet Silverado 3500 HD LT
2015 Chevrolet Silverado 3500 HD LTZ
2015 Chevrolet Silverado 3500 HD WT
2015 GMC Sierra 2500 HD Base
2015 GMC Sierra 2500 HD Denali
2015 GMC Sierra 2500 HD SLE
2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 3500 HD Base
2015 GMC Sierra 3500 HD Denali
2015 GMC Sierra 3500 HD SLE
2015 GMC Sierra 3500 HD SLT
2016 Chevrolet Silverado 2500 HD High Country
2016 Chevrolet Silverado 2500 HD LT
2016 Chevrolet Silverado 2500 HD LTZ
2016 Chevrolet Silverado 2500 HD WT
2016 Chevrolet Silverado 3500 HD High Country
2016 Chevrolet Silverado 3500 HD LT
2016 Chevrolet Silverado 3500 HD LTZ
2016 Chevrolet Silverado 3500 HD WT
2016 GMC Sierra 2500 HD Base
2016 GMC Sierra 2500 HD Denali
2016 GMC Sierra 2500 HD SLE
2016 GMC Sierra 2500 HD SLT
2016 GMC Sierra 3500 HD Base
2016 GMC Sierra 3500 HD Denali
2016 GMC Sierra 3500 HD SLE
2016 GMC Sierra 3500 HD SLT
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1

View full details