Black Transmission Cooler Hose Line Set for Dodge Ram 2500/3500 5.9L 48RE 03-07

Transmission Cooler Hose Line Set for Dodge Ram 2500/3500

This black transmission cooler hose line set replaces the factory fluid lines on Dodge Ram 2500 and 3500 trucks with the 5.9L Cummins diesel and 48RE automatic transmission, moving automatic transmission fluid between the transmission and the cooler to keep operating temperatures in check.

Overview

This transmission cooler hose line set is a direct replacement for worn, cracked, or leaking factory lines on 2003 to 2007 Dodge Ram 2500 and 3500 trucks running the 5.9L engine and 48RE automatic. The set routes automatic transmission fluid to and from the cooler, helping the transmission run at a stable temperature under load. It is built for owners doing their own repairs and shops servicing these trucks.

Built For Performance

• Black finish resists corrosion and road grime
• Pre-bent lines shaped to follow the factory routing
• Constructed for high-pressure automatic transmission fluid flow
• Fits trucks equipped with the 48RE automatic transmission
• Sold as a complete set covering the cooler circuit

Fits These Machines

• for Dodge Ram 2500 with 5.9L engine and 48RE, 2003-2007
• for Dodge Ram 3500 with 5.9L engine and 48RE, 2003-2007

On-The-Job Use

• Replacing rusted or leaking cooler lines during transmission service
• Towing and hauling where sustained transmission temperatures run high
• Restoring the factory fluid circuit after line damage
• Routine maintenance on high-mileage diesel trucks

Specs At A Glance

Good To Know

Q: Do these lines fit both the 2500 and 3500? A: They are listed for 2003 to 2007 Dodge Ram 2500 and 3500 trucks with the 5.9L engine and 48RE automatic transmission. Confirm your transmission code before ordering.

Q: Is any hardware included? A: The listing covers the hose line set itself. Reuse or replace fittings and clips as needed for your specific truck.

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