GMB 920-2440 Engine Cooling Fan Clutch

Engine Cooling Fan Clutch for Ram Trucks

This GMB engine cooling fan clutch is built to meet or exceed OEM specifications for thermal fan control in severe-duty Ram truck applications. It uses an aluminum construction and OEM-standard grading to support consistent cooling fan engagement in demanding driving conditions.

Part number 920-2440 is a thermal fan clutch for Ram 1500, Ram 2500, Ram 3500, Ram 4000, and Ram 1500 Classic applications where reverse-rotation operation is specified. It is a direct-fit cooling system replacement for drivers servicing overheating, fan engagement, or worn clutch concerns.

Key Features

• GMB 920-2440 engine cooling fan clutch
• Thermal design for temperature-based fan engagement
• OEM Standard item grade
• Aluminum construction
• New replacement part
• Manufactured to meet or exceed OEM specifications

Detailed Product Overview

GMB 920-2440 is an engine cooling fan clutch engineered for severe-duty Ram truck cooling systems. The thermal design responds to operating temperature to help control fan speed and airflow when the engine needs additional cooling. This makes it a practical replacement for Ram 1500 and Ram 2500 cooling fan clutch service, as well as Ram 3500, Ram 4000, and Ram 1500 Classic applications listed below.

This part cross-references Four Seasons 46088 and Mopar 55057087AA for the same application. It also aligns with other listed interchange numbers, including 216070, 281690, 922156, and 9202440.

Vehicle Fitment

• Fits 2019-2024 Ram 1500 Classic, N/A, Severe Duty
• Fits 2016-2020 Ram 1500, N/A, Severe Duty
• Fits 2011-2020 Ram 4000, N/A, Severe Duty
• Fits 2016-2019 Ram 2500, N/A, Severe Duty
• Fits 2016-2018 Ram 3500, N/A, Severe Duty
• Fits 2015 Ram 1500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation
• Fits 2013-2015 Ram 2500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation
• Fits 2013-2015 Ram 3500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation
• Fits 2011-2014 Ram 1500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
• Fits 2011-2012 Ram 2500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
• Fits 2011-2012 Ram 3500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
• Fits 2009-2010 Dodge Ram 1500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
• Fits 2009-2010 Dodge Ram 2500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
• Fits 2009 Dodge Ram 3500, N/A, Thermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty

Common Service Issues

• Engine temperature running higher than normal
• Fan clutch not engaging at the proper temperature
• Excessive fan noise from a worn clutch
• Reduced cooling performance in severe-duty use
• Cooling system service on Ram truck applications

Installation Notes and Tips

Verify reverse-rotation and thermal fan clutch requirements before installation. Confirm the vehicle application against the listed Ram and Dodge Ram fitment, including severe-duty notes where shown. Inspect the surrounding cooling system components during service to help ensure the replacement fan clutch operates as intended.

Quality Assurance

GMB manufactures this part to meet or exceed OEM specifications. The OEM-standard grade and new-condition construction support a direct replacement approach for Ram cooling system maintenance.