Mishimoto 6.7L Cummins Transmission Cooler — Fits 2019+ Dodge RAM 2500/3500

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SKU: MISMMTC-RAM-19
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Sale price$529.95 Regular price$583.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Transmission Cooling for Your 2019+ RAM Cummins

The 2019 and newer Dodge RAM 2500/3500 models with the 6.7L Cummins engine generate immense power, and with that power comes significant heat. To ensure your transmission operates reliably under all conditions, from heavy towing to daily driving, an upgraded cooling solution is essential. Mishimoto offers a high-performance, direct-fit transmission cooler specifically engineered for these modern Cummins powerhouses.

Enhanced Cooling Efficiency

This Mishimoto transmission cooler is designed to outperform the stock unit significantly. It features a substantially thicker core and additional rows of fins to dramatically increase its cooling capacity. Key improvements include:

  • A 64% thicker core compared to the factory cooler, providing greater thermal mass.
  • Additional rows of fins integrated into the design to maximize surface area for heat exchange.
  • Optimized internal fin design within the tubes to further enhance heat dissipation.
  • Reduced restriction compared to the stock system, allowing for better fluid flow.

Direct Fit Installation and Superior Performance

Engineered for a precise fit, this transmission cooler integrates seamlessly into your 2019+ RAM 6.7L Cummins, simplifying installation. By effectively managing transmission fluid temperatures, you can prevent overheating, reduce wear, and extend the life of your transmission. Ensure your Cummins-powered RAM can handle demanding tasks with confidence. Trust Mishimoto for advanced cooling technology that keeps your transmission performing at its best.

Upgrade your cooling system with Mishimoto today.

Vehicle Fitment

Years Make Model Trim
2019-2021 Ram 2500 Laramie Longhorn
2019-2024 Ram 2500 Big Horn
2019-2024 Ram 2500 Laramie
2019-2024 Ram 2500 Limited
2019-2024 Ram 2500 Lone Star
2019-2024 Ram 2500 Power Wagon
2019-2024 Ram 2500 Tradesman
2021-2024 Ram 2500 Limited Longhorn
2023-2024 Ram 2500 Rebel
2019-2020 Ram 3500 Laramie Longhorn
2019-2022 Ram 3500 Lone Star
2019-2024 Ram 3500 Big Horn
2019-2024 Ram 3500 Laramie
2019-2024 Ram 3500 Limited
2019-2024 Ram 3500 SLT
2019-2024 Ram 3500 Tradesman
2021-2024 Ram 3500 Limited Longhorn

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Transmission Cooling for Your 2019+ RAM Cummins

The 2019 and newer Dodge RAM 2500/3500 models with the 6.7L Cummins engine generate immense power, and with that power comes significant heat. To ensure your transmission operates reliably under all conditions, from heavy towing to daily driving, an upgraded cooling solution is essential. Mishimoto offers a high-performance, direct-fit transmission cooler specifically engineered for these modern Cummins powerhouses.

Enhanced Cooling Efficiency

This Mishimoto transmission cooler is designed to outperform the stock unit significantly. It features a substantially thicker core and additional rows of fins to dramatically increase its cooling capacity. Key improvements include:

  • A 64% thicker core compared to the factory cooler, providing greater thermal mass.
  • Additional rows of fins integrated into the design to maximize surface area for heat exchange.
  • Optimized internal fin design within the tubes to further enhance heat dissipation.
  • Reduced restriction compared to the stock system, allowing for better fluid flow.

Direct Fit Installation and Superior Performance

Engineered for a precise fit, this transmission cooler integrates seamlessly into your 2019+ RAM 6.7L Cummins, simplifying installation. By effectively managing transmission fluid temperatures, you can prevent overheating, reduce wear, and extend the life of your transmission. Ensure your Cummins-powered RAM can handle demanding tasks with confidence. Trust Mishimoto for advanced cooling technology that keeps your transmission performing at its best.

Upgrade your cooling system with Mishimoto today.

Vehicle Fitment

Years Make Model Trim
2019-2021 Ram 2500 Laramie Longhorn
2019-2024 Ram 2500 Big Horn
2019-2024 Ram 2500 Laramie
2019-2024 Ram 2500 Limited
2019-2024 Ram 2500 Lone Star
2019-2024 Ram 2500 Power Wagon
2019-2024 Ram 2500 Tradesman
2021-2024 Ram 2500 Limited Longhorn
2023-2024 Ram 2500 Rebel
2019-2020 Ram 3500 Laramie Longhorn
2019-2022 Ram 3500 Lone Star
2019-2024 Ram 3500 Big Horn
2019-2024 Ram 3500 Laramie
2019-2024 Ram 3500 Limited
2019-2024 Ram 3500 SLT
2019-2024 Ram 3500 Tradesman
2021-2024 Ram 3500 Limited Longhorn

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Maximize Transmission Cooling for Your 2019+ RAM Cummins

The 2019 and newer Dodge RAM 2500/3500 models with the 6.7L Cummins engine generate immense power, and with that power comes significant heat. To ensure your transmission operates reliably under all conditions, from heavy towing to daily driving, an upgraded cooling solution is essential. Mishimoto offers a high-performance, direct-fit transmission cooler specifically engineered for these modern Cummins powerhouses.

Enhanced Cooling Efficiency

This Mishimoto transmission cooler is designed to outperform the stock unit significantly. It features a substantially thicker core and additional rows of fins to dramatically increase its cooling capacity. Key improvements include:

  • A 64% thicker core compared to the factory cooler, providing greater thermal mass.
  • Additional rows of fins integrated into the design to maximize surface area for heat exchange.
  • Optimized internal fin design within the tubes to further enhance heat dissipation.
  • Reduced restriction compared to the stock system, allowing for better fluid flow.

Direct Fit Installation and Superior Performance

Engineered for a precise fit, this transmission cooler integrates seamlessly into your 2019+ RAM 6.7L Cummins, simplifying installation. By effectively managing transmission fluid temperatures, you can prevent overheating, reduce wear, and extend the life of your transmission. Ensure your Cummins-powered RAM can handle demanding tasks with confidence. Trust Mishimoto for advanced cooling technology that keeps your transmission performing at its best.

Upgrade your cooling system with Mishimoto today.

Vehicle Fitment

Years Make Model Trim
2019-2021 Ram 2500 Laramie Longhorn
2019-2024 Ram 2500 Big Horn
2019-2024 Ram 2500 Laramie
2019-2024 Ram 2500 Limited
2019-2024 Ram 2500 Lone Star
2019-2024 Ram 2500 Power Wagon
2019-2024 Ram 2500 Tradesman
2021-2024 Ram 2500 Limited Longhorn
2023-2024 Ram 2500 Rebel
2019-2020 Ram 3500 Laramie Longhorn
2019-2022 Ram 3500 Lone Star
2019-2024 Ram 3500 Big Horn
2019-2024 Ram 3500 Laramie
2019-2024 Ram 3500 Limited
2019-2024 Ram 3500 SLT
2019-2024 Ram 3500 Tradesman
2021-2024 Ram 3500 Limited Longhorn

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