Mishimoto MMTC-RAM-19 Transmission Cooler for 19-24 Ram 2500/3500 6.7L Cummins

Vehicle Fitment

• 2019-2024 Ram 2500/3500 (6.7L I6 Cummins) - transmission cooler application
• Fitment confirmed through 2024. 2025 coverage unconfirmed at time of listing.

Features

• Direct-fit transmission cooler designed for Ram heavy-duty trucks
• Tube-and-fin core construction for optimized fluid flow and heat dissipation
• 64 % thicker core with 3 additional rows vs stock for improved cooling
• High-efficiency internal fins increase surface contact for lower transmission temps
• Bolt-on mounting tabs allow install without removing radiator or A/C condenser
• Includes quick-disconnect fittings for seamless connection to OE lines
• Aluminum construction resists corrosion and long-term wear
• Backed by Mishimoto Limited Lifetime Warranty for ownership peace of mind

Specifications

• Core type: Tube and fin
• Cores rows: 17
• Core height: ~7.13 in
• Core length: ~34.65 in
• Core thickness: ~1.26 in
• Overall height: ~8.58 in
• Overall width: ~2.36 in
• Fluid capacity: ~1.33 qt
• Material: Aluminum

Included Components

• 1x Mishimoto MMTC-RAM-19 transmission cooler
• 2x OEM-quality quick-disconnect fittings
• 2x Mounting tabs
• Mounting hardware

Product Description

The Mishimoto MMTC-RAM-19 Transmission Cooler is a high-performance cooling upgrade engineered specifically for heavy-duty Ram trucks equipped with the 6.7L Cummins diesel engine from 2019 through 2024. This direct-fit cooler significantly increases cooling capacity compared to the stock unit thanks to its 64 % thicker core and 17-row tube-and-fin design, helping maintain lower transmission fluid temperatures under towing, hauling, or high-load conditions. Lower fluid temps help protect internal transmission components from heat-related wear, extend service life, and improve overall drivetrain reliability.

Installation is straightforward with bolt-on mounting tabs and included quick-disconnect fittings, allowing you to install the MMTC-RAM-19 without removing your radiator or A/C condenser. Built from durable aluminum with high-efficiency internal fins, this cooler offers long-term corrosion resistance and dependable performance backed by Mishimoto's Limited Lifetime Warranty. Whether you're a daily driver, fleet vehicle operator, or weekend tow rig owner, this transmission cooler helps ensure your HD truck's transmission runs cooler and more reliably in demanding environments.