Mishimoto 01-03 Chevy/GMC 6.6L Duramax Transmission Cooler with Stacked-Plate Design

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

Ensure optimal transmission performance and longevity with the Mishimoto 01-03 Chevrolet and GMC 6.6L Duramax (LB7) Transmission Cooler. Designed specifically for models equipped with Allison transmissions, this direct-fit cooler is engineered to effectively regulate transmission fluid temperature, preventing overheating during heavy-duty towing, fleet operations, or spirited driving. Its durable stacked-plate construction provides maximum heat dissipation and resistance to wear, making it ideal for demanding applications. The cooler features a significantly larger core volume—174 percent greater than stock—and a 192 percent increase in fin surface area, offering superior cooling capacity to keep your transmission operating at ideal temperatures. The included CNC-machined adapters connect seamlessly to stock transmission lines, ensuring a leak-free installation, while the custom brackets and hoses simplify the mounting process. Crafted with precision for a perfect fit, this cooler is backed by Mishimoto's lifetime warranty, offering peace of mind for years of worry-free operation. Whether you use your truck for towing heavy loads or as a daily driver, maintaining proper transmission temperature is crucial to extending its lifespan and maintaining performance. This product is designed to meet strict quality standards, with robust construction that withstands harsh conditions and ensures reliable cooling performance. The Mishimoto transmission cooler is the upgrade your Duramax needs to handle demanding driving conditions while maintaining smooth shifting and optimal transmission health.

Features:

• CNC-machined adapters for easy connection to stock or AN fluid lines

• Stacked-plate construction for maximum durability and superior cooling

• Direct-fit installation designed specifically for 2001-2003 Chevrolet and GMC models with Allison transmissions

Fitment:
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