Transmission Oil Cooler 68004317AA For 2003-09 Dodge Ram 2500 3500 Diesel 5.9L

Transmission Oil Cooler for Dodge Ram 2500 3500

This transmission oil cooler, referenced as 68004317AA, is a direct replacement unit that keeps automatic transmission fluid at stable operating temperatures in 2003-09 Dodge Ram 2500 and 3500 diesel trucks with the 5.9L engine.

Overview

This transmission oil cooler is built to replace the factory fluid cooler on 2003-09 Dodge Ram 2500 and 3500 diesel trucks running the 5.9L engine. The transmission oil cooler regulates fluid temperature during towing and heavy hauling, helping protect the transmission from heat-related wear. It is intended for owners and mechanics performing a direct replacement on a worn or leaking cooler.

Built For Performance

• Cross-references OEM part number 68004317AA for straightforward replacement
• Constructed to handle the heat load of 5.9L diesel towing duty
• Provides consistent transmission fluid temperature control
• Designed to fit 2003-09 Dodge Ram 2500 and 3500 applications
• Supports fluid flow under sustained heavy-load operation

Fits These Machines

• for Dodge Ram 2500 diesel with 5.9L engine, 2003-09
• for Dodge Ram 3500 diesel with 5.9L engine, 2003-09

On-The-Job Use

• Replacing a failed or leaking factory transmission cooler
• Restoring cooling capacity on high-mileage diesel trucks
• Towing and hauling where transmission fluid temperatures rise
• Routine drivetrain repair and maintenance

Specs At A Glance

Good To Know

Q: Does this replace the factory cooler directly? A: It cross-references OEM 68004317AA and is intended as a direct replacement for the original unit on the listed applications. Confirm your truck's part number before ordering.

Q: Will this fit a 5.9L diesel only? A: The title lists fitment for 2003-09 Dodge Ram 2500 and 3500 with the 5.9L diesel engine. Check your engine and model year to confirm compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.