Four Seasons 46111 Engine Cooling Fan Clutch

Heavy Duty Thermal Fan Clutch for Ram Cooling

Four Seasons 46111 is a heavy duty thermal engine cooling fan clutch built for standard rotation applications. It is a new aluminum unit with a 6.45 in. maximum diameter, 4-bolt mounting, and OE-matching fitment for select Ram 2500, Ram 3500, and Ram 4000 trucks.

For Ram 2500 and Ram 3500 owners looking for a direct replacement fan clutch, Four Seasons 46111 supports thermal engagement for consistent cooling performance in demanding towing and work-truck use.

Key Features

• Thermal fan clutch design for temperature-based fan engagement
• Heavy duty style for Ram truck cooling systems
• Aluminum construction with raw aluminum finish
• Standard rotation configuration
• 4-bolt mounting with 5/16-18 hole thread
• Meets or exceeds OEM requirements
• New part, not remanufactured
• Four Seasons 46111 fan clutch dimensions: 6.45 in. diameter, 4.46 in. overall height

Product Details

Four Seasons Fan Clutch 46111 is engineered as a thermal engine cooling fan clutch for heavy duty Ram applications. The aluminum housing, 1.44 in. mount diameter, 1.18 in. pilot diameter, and 3.25 in. fan bolt circle support proper alignment and secure installation in the cooling fan assembly. This part cross-references Gates 22035 for the same application.

Compatible With Ram 2500, Ram 3500, and Ram 4000 models across the listed years, this Four Seasons 46111 replacement is a direct-fit cooling component for trucks that use standard rotation and thermal fan clutch operation.

Common Cooling Issues It Can Address

• Fan clutch that no longer engages at the correct temperature
• Reduced airflow through the radiator at idle or low speed
• Cooling system strain during towing or heavy-duty operation
• Excessive fan noise from a worn thermal clutch
• Inconsistent engine temperature control in Ram truck applications

Installation Notes and Tips

Verify standard rotation, mounting style, pilot dimensions, and fan bolt circle before installation. Mounting hardware is not included, so reuse or source the required hardware separately if needed. Confirm clearance around the radiator shroud and fan assembly, and inspect the water pump and fan blades for wear before installing the new clutch.

Fits 2014-2015 Ram 2500, N/A; Fits 2016 Ram 2500, N/A; Fits 2017-2020 Ram 2500, N/A; Fits 2021-2025 Ram 2500, N/A; Fits 2014-2015 Ram 3500, N/A; Fits 2016 Ram 3500, N/A; Fits 2017-2020 Ram 3500, N/A; Fits 2021-2025 Ram 3500, N/A; Fits 2019-2020 Ram 4000, N/A.

Quality Assurance

Four Seasons 46111 is a new, heavy duty thermal fan clutch that meets or exceeds OEM requirements for the listed Ram applications. Four Seasons is a recognized name in automotive cooling components, and this part is built to match the specifications needed for proper engine cooling system operation.