Mishimoto MMTC-DMAX-06SL Transmission Cooler for 2006-2010 Duramax LBZ/LMM

The Mishimoto MMTC-DMAX-06SL is a high-performance automatic transmission oil cooler engineered specifically for 2006-2010 Chevrolet and GMC trucks equipped with the 6.6L Duramax LBZ and LMM engines. This direct-fit upgrade dramatically improves cooling capacity to protect your transmission during towing, hauling, and high-performance driving.

Key Features:

• 84% greater core volume compared to the factory transmission cooler for superior heat dissipation
• 125% more external fin surface area than stock cooler maximizes airflow and cooling efficiency
• Direct-fit design for 2006-2010 Chevrolet/GMC 6.6L Duramax LBZ and LMM engines—no modifications required
• CNC-machined adapters included for easy connection to factory fluid lines or aftermarket AN fittings
• Mishimoto Lifetime Warranty provides peace of mind and long-term reliability

This transmission cooler is the ideal solution for Duramax owners who demand maximum cooling performance and transmission longevity. The increased core volume and fin surface area work together to keep transmission fluid temperatures in check, even under the most demanding conditions. The included precision-machined adapters ensure a clean, leak-free installation whether you're using stock lines or upgrading to braided AN lines.