Oil Cooler 3935812 For 1998-2002 Dodge Ram / Cummins Transmission 5014861AA

Oil Cooler 3935812 for Dodge Ram Cummins Transmission

This transmission oil cooler, referenced under part numbers 3935812 and 5014861AA, helps regulate fluid temperature on 1998-2002 Dodge Ram Cummins diesel trucks.

Overview

The oil cooler 3935812 for Dodge Ram is a direct-fit transmission cooling component built to keep automatic transmission fluid within a safe operating range. It works by circulating fluid through a heat-exchange core that dissipates excess heat generated during towing, hauling, and stop-and-go driving. This oil cooler is intended for 1998-2002 Dodge Ram Cummins owners replacing a failed, clogged, or leaking factory unit.

Built For Performance

• Heat-exchange core designed to lower transmission fluid temperatures under load
• Direct-fit replacement for the factory oil cooler location on 1998-2002 Dodge Ram Cummins trucks
• Cross-references OEM part numbers 3935812 and 5014861AA for easier identification
• Rugged construction suited to the demands of diesel towing and heavy-duty use
• Helps protect transmission internals by maintaining stable fluid temperatures

Fits These Machines

• for Dodge Ram 1998-2002 with Cummins diesel engine
• for Dodge Ram automatic transmission applications in the listed year range

On-The-Job Use

• Towing trailers and heavy loads where transmission fluid heats up quickly
• Daily driving in hot climates to help prevent fluid breakdown
• Diesel work trucks used for hauling and long-distance travel
• Replacing a clogged or leaking factory oil cooler

Specs At A Glance

Good To Know

Q: Does this cooler include mounting hardware? A: The listing covers the oil cooler itself; reuse of factory hardware and lines is typical unless otherwise noted by the seller.

Q: Will this fit my specific Dodge Ram transmission? A: Confirm your truck's year, engine, and transmission match the 1998-2002 Cummins application before ordering, since fitment can vary by configuration.

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