Mishimoto misMMTC-DMAX-01SL 01-03 Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler

There's no greater enemy for a transmission than heat. Whether your 2001-2003 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 2001-2003 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 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2001-2003 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
• Stacked-plate construction for maximum durability and superior cooling
• Direct-fit for all 2001-2003 Chevrolet/GMC with Allison transmission

Brief Description

The Mishimoto misMMTC-DMAX-01SL automatic transmission cooler is designed for 2001-2003 Chevrolet/GMC 6.6L Duramax applications with an Allison transmission. Its stacked-plate construction provides durable performance and effective fluid cooling to help regulate transmission temperature, support transmission longevity, and maintain performance during towing, fleet use, daily driving, or drag-strip use. The cooler features a core volume 174 percent greater and fin surface area 192 percent greater than the stock 2001-2003 Duramax transmission cooler.

Key Features & Performance Benefits

• Enhanced cooling capacity: The larger core volume and fin surface area help dissipate transmission heat more effectively than the stock cooler.
• Durable stacked-plate design: Stacked-plate construction is engineered for durability and powerful cooling performance.
• Direct-fit installation: Direct-fit brackets and tailor-made hoses support straightforward installation.
• Flexible line connections: CNC-machined adapters connect to stock transmission cooler lines or AN lines for leak-free cooling.

Key Product Specifications & Technical Data

• Brand: Mishimoto
• Part number: misMMTC-DMAX-01SL
• Product type: Automatic transmission oil cooler
• Application: 6.6L Duramax (LB7)
• Transmission application: Allison transmission
• Construction: Stacked-plate
• Core volume: 174 percent greater than the stock 2001-2003 Duramax transmission cooler
• Fin surface area: 192 percent greater than the stock 2001-2003 Duramax transmission cooler

What's Included in the Box

The product data identifies direct-fit brackets, tailor-made hoses, and CNC-machined adapters as part of the cooler installation system.

Fitment

Fits 2001-2003 Chevrolet/GMC vehicles with a 6.6L Duramax and Allison transmission, including the GMC Sierra 2500 HD applications listed for model years 2001, 2002, and 2003.

Fitments:
2001 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 GMC Sierra 2500 HD Base
2002 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2003 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 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