Mishimoto - misMMTC-DMAX-15SL - 2015-2016 GM 6.6L Duramax LML Transmission Cooler, Silver

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

The Mishimoto misMMTC-DMAX-15SL transmission cooler is designed for 2015-2016 Chevrolet and GMC vehicles equipped with the 6.6L LML Duramax and Allison transmission. Its purpose-built design helps regulate automatic transmission fluid temperature, reduce overheating risk, maintain performance, and support transmission longevity.

Key Features & Performance Benefits

• Increased cooling capacity: Provides 67 percent greater core volume and 164 percent greater fin surface area than the stock 2015-2016 LML Duramax transmission cooler.
• Durable construction: Stacked-plate construction is designed for durability and effective heat transfer.
• Direct-fit installation: Direct-fit brackets and tailor-made hoses help simplify installation.
• Flexible line connections: CNC-machined adapters connect to the stock transmission cooler lines or AN lines.

Key Product Specifications & Technical Data

• Brand: Mishimoto
• Part number: misMMTC-DMAX-15SL
• Product type: Automatic transmission oil cooler
• Finish: Silver
• Application: 2015-2016 GM 6.6L Duramax LML
• Transmission: Allison
• Construction: Stacked-plate
• Warranty: Lifetime Warranty with Accident Protection

What's Included in the Box

The product data identifies direct-fit brackets, tailor-made hoses, and CNC-machined adapters as part of the installation solution. Specific box contents beyond these components are not provided.

Fitment

Fits 2015 Chevrolet Silverado 2500 HD, 2015 GMC Sierra 2500 HD, and 2016 GMC Sierra 3500 HD applications listed for the 6.6L LML Duramax and Allison transmission.

Fitments:
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