Mishimoto Direct-Fit Transmission Cooler for 2015-2018 Dodge Ram 2500/3500 (6.7L)

Fits 2015-2018 Ram 2500 and 3500 trucks (6.7L Cummins).

Heat is the primary cause of transmission failure, especially for 2015-2018 Ram 6.7L Cummins owners who tow heavy loads or work their trucks in demanding conditions. The Mishimoto MMTC-RAM-15SL is a direct-fit transmission cooler engineered to significantly increase cooling efficiency over the factory unit. This cooler utilizes a tube-and-fin core with internal fins to maximize surface area and ensure optimal fluid-to-tube contact.

Compared to the stock cooler, this unit provides a massive 112% increase in core volume, a 237% increase in external fin area, and a 226% increase in fluid capacity. These upgrades allow for better heat dissipation and improved thermal stability during high-load operations. Installation is straightforward with no cutting or modifications required, as it utilizes factory mounting points and includes all necessary hardware.

• Direct-fit for 2015-2018 Ram 2500/3500 (6.7L)
• 112% increase in core volume over stock
• 237% increase in external fin area
• 226% increase in fluid capacity
• Tube-and-fin construction with internal fins for maximum efficiency
• No cutting or modifications required for installation
• Includes all necessary hardware
• Mishimoto Lifetime Warranty with Accident Protection
• Manufacturer Part Number: MMTC-RAM-15SL