Mishimoto MMTC-RAM-15SL Transmission Cooler for 2015-2018 RAM 2500/3500 6.7L

Vehicle Fitment

• 2015-2018 RAM 2500 (All Trims) with 6.7L Cummins Turbo Diesel - Automatic Transmission
• 2015-2018 RAM 3500 (All Trims) with 6.7L Cummins Turbo Diesel - Automatic Transmission

Features

• Direct-fit transmission cooler engineered for 2015-2018 RAM transmissions
• Tube-and-fin core design for efficient heat dissipation and high flow
• 112 % greater core volume than stock cooler for increased heat capacity
• 237 % more external fin surface area for improved cooling efficiency
• 226 % larger fluid capacity compared with stock cooler
• Internal fluid fins distribute fluid for superior cooling performance
• Patent-protected design (Patent #D940,014)
• Backed by Mishimoto Lifetime Warranty for long-term confidence

Specifications

• Material: High-strength aluminum tube-and-fin core
• Core Height: ~11.85"
• Core Length: ~24.76"
• Core Thickness: ~1.25"
• Fluid Capacity: ~0.77 qt
• Finish: Black powder coat
• Installation: Direct OEM mounting points - no cutting required
• Transmission Compatibility: Automatic transmissions with factory cooling circuit

Included Components

• 1x Mishimoto MMTC-RAM-15SL transmission cooler
• 2x Quick-disconnect fittings
• 2x Aluminum spacers/adapters
• Mounting hardware (brackets, bolts)
• Mishimoto Lifetime Warranty documentation

Product Description

The Mishimoto MMTC-RAM-15SL transmission cooler is a direct-fit cooling upgrade designed specifically for **2015-2018 RAM 2500 and 3500 trucks equipped with the 6.7L Cummins turbo diesel engine and automatic transmissions**. Its robust tube-and-fin core with internal fins provides significantly increased core volume, fluid capacity, and fin surface area compared with the OEM cooler, helping reduce transmission fluid temperatures under towing, hauling, or heavy-load driving conditions - enhancing transmission life and performance.

Installation requires no cutting or modification, as the cooler uses factory mounting points and includes quick-disconnect fittings and hardware for a hassle-free setup. The enhanced core design ensures efficient heat transfer and flow, making this cooler an excellent choice for owners who regularly tow heavy trailers or operate in high-heat environments. Backed by Mishimoto's Lifetime Warranty, the MMTC-RAM-15SL delivers dependable cooling and peace of mind for demanding applications.