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

SKU: MISMMTC-RAM-03SL

Fluid Coolers

MM Transmission Coolers

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

SKU: MISMMTC-RAM-03SL

Fluid Coolers

MM Transmission Coolers

A$1,314.91
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

There's no greater enemy for a transmission than heat. Whether your 2003-2009 Dodge Ram 5.9L / 6.7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2009 Dodge Ram 5.9L / 6.7L Cummins transmission cooler utilizes a stacked plate core for durable and powerful cooling. With a massive 212-percent greater core volume, 244-percent increase in fluid capacity, this trans cooler is a huge improvement over stock 2003-2009 Dodge Ram 5.9L / 6.7L Cummins transmission cooler. The Mishimoto transmission cooler is not only larger than the stock cooler, but more reliable too. When the stock cooler's thermostat fails, it fails closed, bypassing the cooler and returning hot fluid to the transmission. Mishimoto has solved this common issue by making the thermostat in our 2003-2009 Dodge Ram Cummins transmission cooler fully serviceable and easily bypassed for constant cooling. A port located at the top of the cooler provides easy access to the thermostat for servicing in just a few minutes. Replacement thermostats can be purchased individually if needed

Product Overview

There's no greater enemy for a transmission than heat. Whether your 2003-2009 Dodge Ram 5.9L / 6.7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2009 Dodge Ram 5.9L / 6.7L Cummins transmission cooler utilizes a stacked plate core for durable and powerful cooling. With a massive 212-percent greater core volume, 244-percent increase in fluid capacity, this trans cooler is a huge improvement over stock 2003-2009 Dodge Ram 5.9L / 6.7L Cummins transmission cooler. The Mishimoto transmission cooler is not only larger than the stock cooler, but more reliable too. When the stock cooler's thermostat fails, it fails closed, bypassing the cooler and returning hot fluid to the transmission. Mishimoto has solved this common issue by making the thermostat in our 2003-2009 Dodge Ram Cummins transmission cooler fully serviceable and easily bypassed for constant cooling. A port located at the top of the cooler provides easy access to the thermostat for servicing in just a few minutes. Replacement thermostats can be purchased individually if needed


Features and Benefits

  • Fits all 2003-2009 Dodge Ram 5.9L and 6.7L Cummins
  • 212-percent Increase in core volume
  • 244-percent Increase in fluid capacity

Product Details

Year Make
Core Height:10.94
Core Material:Aluminum
Core Thickness:0.87
Core Width:26
Description:Mishimoto 03-09 Dodge Ram 5.9L/6.7L Cummins Transmission Cooler
Electric Fan:No
Finish:Natural Aluminum
Grade Type:Performance
Height:0
Inlet Diameter:0.5
Install Difficulty:3
Line Included:Yes
Mounting Hardware Included:Yes
Outlet Diameter:0.5
Part Number:misMMTC-RAM-03SL
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Y/N:Y
SellingPoint01:Fits all 2003-2009 Dodge Ram 5.9L and 6.7L Cummins
SellingPoint02:212-percent Increase in core volume
SellingPoint03:244-percent Increase in fluid capacity
SellingPoint04:Includes fully serviceable thermostat for fast warm-up in cold climates and thermostat bypass for constant cooling in hot climates
SellingPoint05:Stacked-plate design for tough and reliable cooling
SellingPoint06:Eliminates corrosion-prone quick-disconnect fittings
SellingPoint07:Available -8ORB to -8AN adapters allow the use of AN transmission fluid lines. (2 required)
SellingPoint08:Patent numberD912,701
SellingPoint09:Includes durable SAE J1532 hose designed specifically for use with transmission fluid
SellingPoint10:Mishimoto Lifetime Warranty
SellingPoint11:N/A
SellingPoint12:N/A
SellingPoint13:N/A
SellingPoint14:N/A
SellingPoint15:N/A
TechSpec Applications:Applicable with 47RE, 48RE, and 68RFE Transmissions----Dodge Ram 2500 I6 (5.9L) 2003-2007--Dodge Ram 2500 I6 (6.7L) 2007-2009--Dodge Ram 3500 I6 (5.9L) 2003-2007--Dodge Ram 3500 I6 (6.7L) 2007-2009--Dodge Ram 4500 I6 (6.7L) 2008-2009--Dodge Ram 5500 I6 (6.7L) 2008-2009
TechSpec Caution:N/A
TechSpec Chassis Codes:N/A
TechSpec Core Construction:N/A
TechSpec Core Height (in):10.94
TechSpec Core Length (in):26
TechSpec Core Thickness (in):0.87
TechSpec Engine Codes:5.9L--6.7L Cummins
TechSpec Fluid Capacity (qts):N/A
TechSpec Includes:Mishimoto Stacked-Plate Transmission Cooler--High-Pressure Transmission Cooler Lines--Removable Thermostat--Removable Thermostat Bypass--CNC-Machined Stainless Steel Barbed Fittings--CNC-Machined Aluminum 3/4-in-16 ORB to Hose Barb Fittings--Worm Gear Clamps--Mishimoto Lifetime Warranty
TechSpec Inlet:N/A
TechSpec Installation Notes:N/A
TechSpec Note:Patent #D912701--------This kit requires cutting of the stock transmission cooler lines to remove the quick-disconnect fittings. Mishimoto provides CNC-machined stainless steel hose barb fittings to splice the supplied transmission cooler line with the stock soft-lines. Please see installation instructions for more details.
TechSpec Outlet:N/A
TechSpec Overall Height (in):N/A
TechSpec Overall Length (in):N/A
TechSpec Overall Width (in):N/A
TechSpec Rows:48
TechSpec Transmission Codes:47RE--48RE--68RFE
Thickness:0
Width:0

Part Type

Automatic Transmission Oil Cooler

Data: v4.2 - Upd: 2026-09-29 08:28:36

Features

  • 212-percent Increase in core volume
  • 244-percent Increase in fluid capacity
  • Fits all 2003-2009 Dodge Ram 5.9L and 6.7L Cummins

Specifications

Product Attributes - UPC
811580033513
Product Attributes - Brand
Mishimoto
Product Attributes - Notes
Comes with cooler, transmission lines, thermostat/bypass, fittings, and hose clamps.
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Part Type
Fluid Coolers
Product Attributes - Cooler Color
Natural
Product Attributes - Fan Included
No
Product Attributes - Product Line
Mishimoto Oil Cooler Kits
Product Attributes - Cooler Material
Aluminum
Product Attributes - Inlet Attachment
Female threads
Product Attributes - Core Height (in.)
10.94 in.
Product Attributes - Fluid Cooler Type
Transmission
Product Attributes - Outlet Attachment
Female O-ring
Product Attributes - Cooler Construction
Tube and fin
Product Attributes - Core Thickness (in.)
0.87 in.
Product Attributes - Number of Cooling Rows
48
Product Attributes - Fluid Cooler Inlet Size
-8 AN O-ring
Product Attributes - Overall Thickness (in.)
0.88
Product Attributes - Fluid Cooler Outlet Size
-8 AN O-ring
Product Attributes - Manufacturer's Part Number
MMTC-RAM-03SL

Reference Information

Brand Name/s Mishimoto
StreetFX SKU misMMTC-RAM-03SL
SFX Item ID 4048960
Supplier Item Code 4048960
Manufacturer SKU MMTC-RAM-03SL
Manufacturer UPC 811580033513
Alternative References mio-mmtc-ram03sl, MIMMMTC-RAM-03SL, 5.9L/6.7L

Compatibility

Application Data
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelLARAMIE
    Beginning Year2003
    Ending Year2003
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelLARAMIE
    Beginning Year2003
    Ending Year2003
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelLARAMIE
    Beginning Year2005
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelLARAMIE
    Beginning Year2005
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelSLT
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelSLT
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelSPORT
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelSPORT
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelST
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelST
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelTRX4
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 2500
    SubmodelTRX4
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelLARAMIE
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelLARAMIE
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelSLT
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelSLT
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelSPORT
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelSPORT
    Beginning Year2006
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelST
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelST
    Beginning Year2003
    Ending Year2006
    Engine TypeL6
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    DrivetrainRWD
  • UniversalNo
    MakeDODGE
    ModelRAM 3500
    SubmodelTRX4
    Beginning Year2007
    Ending Year2007
    Engine TypeL6
    Liter5.9
    CID359
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size5.9L/359
    Drivetrain4WD
    Engine VIN CodeC
  • UniversalNo
    MakeDODGE
    ModelRAM 4500
    SubmodelLARAMIE
    Beginning Year2008
    Ending Year2008
    Engine TypeL6
    Liter6.7
    CID408
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size6.7L/408
    Drivetrain4 X 2
    Engine VIN CodeA
  • UniversalNo
    MakeDODGE
    ModelRAM 4500
    SubmodelLARAMIE
    Beginning Year2008
    Ending Year2008
    Engine TypeL6
    Liter6.7
    CID408
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size6.7L/408
    Drivetrain4 X 4
    Engine VIN CodeA
  • UniversalNo
    MakeDODGE
    ModelRAM 4500
    SubmodelLARAMIE
    Beginning Year2009
    Ending Year2009
    Engine TypeL6
    Liter6.7
    CID408
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size6.7L/408
    Drivetrain4 X 2
    Engine VIN CodeL
  • UniversalNo
    MakeDODGE
    ModelRAM 4500
    SubmodelLARAMIE
    Beginning Year2009
    Ending Year2009
    Engine TypeL6
    Liter6.7
    CID408
    Engine FamilyCummins diesel inline 6-cylinder
    Engine Size6.7L/408
    Drivetrain4 X 4
    Engine VIN CodeL

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