Mishimoto MMTC-RAM-03SL Automatic Transmission Oil Cooler, Compatible with Dodge Ram Cummins 2500, 3500 5.9L & 6.7L, 2003-2009

Upgrade your transmission cooling capability with this high-performance automatic transmission oil cooler, engineered for 2003–2009 Dodge Ram 2500/3500 models equipped with 5.9L or 6.7L Cummins engines. Whether you're hauling heavy loads, off-roading, or simply maintaining optimal transmission performance, this cooler delivers superior heat dissipation compared to OEM units.

The cooler is crafted from high-quality materials for durability under pressure, ensuring long-term performance in high-demand conditions. Includes an installation kit, with all required mounting hardware and easy-to-follow instructions. The setup is quick and straightforward, ideal for professional installations and confident DIYers.

Many users report significant drops in transmission temperatures, especially when towing or driving in high-heat environments, translating to better performance and longer transmission life. This cooler is specifically designed to handle high-heat conditions like towing, off-roading, or heavy payload use.

As more drivers use their trucks for work or recreation, upgraded cooling systems have become essential to avoid overheating and maintain drivetrain integrity. This product aligns with the trend of enhancing vehicle longevity through preventative upgrades.

This product is part of a performance-focused lineup trusted by automotive enthusiasts and professionals alike, built by a brand that stands behind the reliability and engineering of every product.