Upgrade Your Duramax Transmission Cooling System

Excessive heat is the primary enemy of any automatic transmission, especially in demanding applications like towing, fleet use, or performance driving. The Mishimoto direct-fit transmission cooler is engineered specifically for your 2003-2005 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 equipped with the 6.6L Duramax LB7 or LLY engine. Ensure your transmission operates at optimal temperatures, preventing premature wear and potential failures.

Superior Cooling Performance

This advanced transmission cooler features a robust stacked-plate design, offering superior durability and exceptional heat dissipation compared to stock units. Mishimoto has significantly increased the cooling capacity:

• Core Volume: 174% larger than the stock cooler.
• Fin Surface Area: 192% greater than the stock cooler.

This substantial increase in cooling efficiency allows your transmission to run cooler under all conditions, extending its lifespan and maintaining performance. The cooler includes CNC-machined adapters for a straightforward installation, integrating seamlessly with your existing transmission lines.

Key Features:

• Direct-fit for 2003-2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY)
• Stacked-plate core design for maximum durability and cooling
• Significantly larger core volume and fin surface area
• Includes CNC-machined adapters for easy installation
• Available in silver finish

Invest in the longevity and performance of your Duramax truck's transmission with the Mishimoto transmission cooler. Experience the difference superior cooling can make. Shop the Mishimoto transmission cooler at GGCRACING.