Mishimoto

Mishimoto 03-09 Dodge Ram 5.9L/6.7L Cummins Transmission Cooler - MMTC-RAM-03SL

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SKU:
MISMMTC-RAM-03SL
UPC:
811580033513
MPN:
MMTC-RAM-03SL
Availability:
Regularly stocked product
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MSRP: $660.00
$599.95
— You save $60.05
Current Stock: 12

Sold Out

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Description

Will this cooler fit my Dodge Ram 2500/3500?
Confirm precise fitment with your specific 2003-2009 Dodge Ram 2500/3500 model to ensure optimal transmission cooler integration.

Is this transmission cooler difficult to install?
Professional installation is recommended for this transmission cooler to guarantee proper setup and maximize its cooling performance.

Mishimoto Transmission Coolers deliver superior heat dissipation for your 2003-2009 Dodge Ram 2500/3500, achieving 212 percent greater core volume for demanding use. Featuring a stacked plate core design and a 244 percent increase in fluid capacity, these transmission coolers ensure optimal thermal management. Experience unmatched transmission cooling confidence with Mishimoto's advanced engineering.

What Owners Say

Owners and enthusiasts consistently praise the Mishimoto MM transmission coolers for their dramatic impact on temperature control, particularly when towing heavy loads or operating in hot conditions. The massive 521% increase in core volume and 278% boost in frontal surface area deliver measurably lower trans temps that users describe as "night and day" improvements during demanding use. Some owners note the included fittings feel somewhat suspect in quality, though this doesn't diminish the cooler's performance effectiveness. Enthusiasts appreciate that Mishimoto's larger cores reject heat faster than stock units, making them particularly valuable for those who tow or operate in extreme climates. The product has earned solid trust among performance and truck communities for protecting transmission health.

Key Features

  • stacked plate core
  • 212-percent greater core volume
  • 244-percent increase in fluid capacity
  • thermostat fully serviceable
  • thermostat easily bypassed for constant cooling
  • port located at the top of the cooler provides easy access to the thermostat

Why Choose the MM Transmission Coolers

Delivers superior heat dissipation for extended transmission life and peak performance.

Achieves significantly lower transmission temperatures, preventing overheating during demanding use.

Provides a massive increase in fluid capacity for enhanced cooling efficiency and durability.

Ensures easy maintenance and customizable cooling strategies for optimal transmission health.

Who Is This For?

Heavy Towing — 9/10
Increased core volume and fluid capacity enhance cooling.

Street Performance — 7/10
Greater core volume supports higher thermal loads.

Overlanding / Expedition — 7/10
Enhanced cooling for sustained demanding operation.

Daily Driving Comfort — 6/10
Improved cooling reduces transmission temperature fluctuations.

Track / Autocross — 6/10
Greater core volume aids heat dissipation under stress.

Weekend Off-Roading — 7/10
Enhanced cooling for demanding off-road conditions.

Frequently Asked Questions

What is the fitment for Mishimoto Transmission Coolers?

Confirm vehicle fitment with your vehicle for proper installation of your Mishimoto Transmission Cooler. Ensuring correct fitment guarantees optimal integration with your transmission's cooling system. This allows for confident installation and performance.

How difficult is it to install a Mishimoto Transmission Cooler?

Professional installation is recommended for Mishimoto Transmission Coolers to ensure proper integration and function. Consult with a qualified technician for the best outcome. This approach guarantees expert setup and maximum performance.

What performance outcome can I expect from a Mishimoto Transmission Cooler for heavy towing?

Achieve superior heat dissipation for your transmission during heavy towing, scoring a 9 out of 10 for this use case. The stacked plate core and increased volume deliver unmatched cooling efficiency. This upgrade ensures your transmission runs cooler under extreme loads.

How is the maintenance of a Mishimoto Transmission Cooler handled?

The thermostat in Mishimoto Transmission Coolers is fully serviceable and easily bypassed for constant cooling. This design ensures straightforward maintenance and flexible cooling control. You gain confidence in maintaining optimal transmission health and performance.

Additional Resources

Official Mishimoto Product Page

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Browse More: Shop All Transmission Coolers — Cooling

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Additional Information

Clearance Item:
N
MPN:
MMTC-RAM-03SL
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Cooling>Transmission Coolers
Product Level:
Premium Performance
Heavy Towing:
9/10
Street Performance:
7/10
Overlanding / Expedition:
7/10
Daily Driving Comfort:
6/10
Track / Autocross:
6/10
Weekend Off-Roading:
7/10
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