Freightliner Automatic Transmission Oil Coolers

On most Freightliner trucks, the automatic transmission oil cooler is typically located within or adjacent to the main radiator assembly, often integrated as a separate cooler core mounted in front of or alongside the engine radiator. It circulates transmission fluid through a heat exchanger to dissipate heat generated during gear shifts and heavy-load operation.

A transmission oil cooler regulates the temperature of automatic transmission fluid by dissipating excess heat generated during operation. On heavy-duty Freightliner trucks, maintaining proper fluid temperature prevents premature transmission wear, seal degradation, and costly drivetrain failures, especially under high-load or high-temperature conditions.

Common signs include overheating transmission warnings, slipping gears, discolored or burnt-smelling transmission fluid, visible leaks around the cooler lines, or contaminated coolant with a milky appearance. Regular inspection during fleet maintenance intervals is recommended to catch early-stage failures before they cause major drivetrain damage.

Radiator Supply House supplies OEM-equivalent aftermarket transmission oil coolers under the ICEBOX brand. These parts are engineered to match original factory specifications for fit, form, and function, providing reliable performance at competitive aftermarket pricing suitable for fleet and commercial trucking operations.

The catalog covers a broad range of Freightliner heavy-duty truck models used in commercial freight, fleet, and specialty applications. To confirm exact fitment for your specific model and transmission type, log in to view detailed compatibility data or contact the support team by phone at 1-877-615-3002, by email at info@RadiatorSupplyHouse.com, or by clicking the Talk to an Expert button below.

Yes. Radiator Supply House is structured to support commercial fleet operators and repair shops requiring bulk purchasing. The login-based pricing model accommodates trade buyers with tailored availability and volume considerations. Contact the team to discuss fleet procurement options and ensure consistent supply for your maintenance program.

Pricing and availability are accessible through a login-based system designed for dealers and retail-priced customers. Register or log in at radiatorsupplyhouse.com to access current pricing. You can also reach the team directly by phone at 1-877-615-3002, by email at info@RadiatorSupplyHouse.com, or by clicking the Talk to an Expert button below for immediate assistance.