Mishimoto Transmission Cooler Most 15-18 Dodge RAM 6.7L Cummins Models | Enhanced Cooling Efficiency | Transmission Cooling Upgrade

Overview

The Mishimoto Transmission Cooler for 2015-2018 Dodge RAM 6.7L Cummins models is a direct-fit upgrade designed to significantly reduce transmission temperatures under demanding conditions. Whether your RAM serves as a heavy-duty tow vehicle, a fleet workhorse, or a daily driver pushed to the limits, this transmission cooler ensures your transmission fluid stays within optimal temperature ranges to prevent overheating and premature wear.

Engineered with a tube-and-fin core design featuring internal fins, this cooler maximizes heat dissipation by increasing fluid contact with the cooling surfaces. Mishimoto’s approach focuses on balancing flow rate with superior cooling capacity, resulting in a 112% larger core volume, 237% more fin area, and 226% greater fluid capacity compared to the stock cooler. This design philosophy delivers a robust solution that outperforms factory units while maintaining a direct bolt-on fitment.

For Dodge RAM owners, maintaining transmission health is critical, especially when towing heavy loads or operating in high-temperature environments. This Mishimoto cooler’s enhanced thermal management extends transmission life, improves shift quality, and reduces the risk of costly repairs. Its efficient cooling performance translates to better reliability and peace of mind for demanding RAM applications.

Features & Specifications

This Mishimoto transmission cooler is engineered for 2015-2018 Dodge RAM 6.7L Cummins trucks and features a tube-and-fin core with internal fins for superior heat transfer. Constructed from high-quality aluminum, it delivers enhanced cooling efficiency and durability for enthusiasts and professionals seeking reliable transmission temperature control.

• Brand: Mishimoto
• Product: Transmission Cooler Most 15-18 Dodge RAM 6.7L Cummins Models
• Part Number: MMTC-RAM-15SL
• Fitment: 2015-2018 Dodge RAM 6.7L Cummins
• Material: Aluminum
• Finish: Natural aluminum
• Construction: Tube-and-fin core with internal fins
• Origin: Not specified
• Core Volume Increase: 112% greater than stock
• Fin Area Increase: 237% greater than stock
• Fluid Capacity Increase: 226% greater than stock
• Installation: Direct-fit, no cutting or modifications required
• Warranty: Lifetime Warranty with Accident Protection

Key Benefits

• Cooling Efficiency: Larger core volume and increased fin area provide superior heat dissipation to keep transmission fluid cooler under heavy load.
• Durability: High-quality aluminum construction resists corrosion and withstands harsh operating conditions common in towing and fleet use.
• Fitment: Direct bolt-on design requires no modifications, ensuring a hassle-free installation that maintains factory reliability.
• Transmission Longevity: Reduced fluid temperatures help prevent premature transmission wear and costly repairs, extending service life.
• Installation Ease: Includes all necessary hardware for a fast, straightforward upgrade without cutting or trimming.
• Warranty Coverage: Backed by Mishimoto’s Lifetime Warranty with Accident Protection for long-term peace of mind.

What's Included

• 1× Mishimoto Transmission Cooler for 2015-2018 Dodge RAM 6.7L Cummins
• Mounting hardware kit
• Installation instructions

Installation & Compatibility

Installation of the Mishimoto transmission cooler is designed to be straightforward with no cutting or modifications required, making it accessible for experienced DIYers. The kit includes all necessary mounting hardware and detailed instructions to facilitate a smooth upgrade process. No special tools beyond standard hand tools are typically needed. This cooler is specifically engineered for 2015-2018 Dodge RAM 6.7L Cummins models; verifying exact year and model compatibility before purchase is recommended to ensure proper fitment.

• Professional Installation: Recommended for those unfamiliar with transmission cooling systems
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific 2015-2018 Dodge RAM 6.7L Cummins model

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