Four Seasons 46016 Engine Cooling Fan Clutch

Four Seasons 46016 Heavy Duty Thermal Fan Clutch

The Four Seasons 46016 is a heavy-duty thermal engine cooling fan clutch built with an aluminum body and reverse rotation operation. It is a non-electronic replacement that meets or exceeds OEM requirements for the listed Dodge Ram applications, including Ram 1500 and Ram 2500 models.

Use this Four Seasons fan clutch when you need a direct-fit thermal clutch for reverse-rotation cooling systems. The 46016 part number is also a common cross-reference for OE-style replacement searches on Dodge Ram 1500 and Ram 2500 cooling repairs.

Key Features

• Heavy-duty thermal fan clutch for engine cooling control
• Reverse rotation design for the listed applications
• Aluminum construction with raw aluminum finish
• Non-electronic clutch design
• Meets or exceeds OEM specifications
• Performance rated and built for heavy use
• Thermal clutch type with hex mounting style
• Fan bolt circle: 3.25 in. (82.6 mm)
• Mount diameter: 1.44 in. (36 mm)
• Pilot diameter: 1.18 in. (30 mm)

Product Details

Four Seasons Fan Clutch line products are engineered for cooling-system service where consistent fan engagement matters. Part number 46016 is a heavy-duty thermal fan clutch with a 7.2 in. maximum diameter, 4-bolt mounting pattern, and reverse rotation configuration. It is a new, non-electronic unit intended for vehicles that use a thermal clutch to regulate airflow through the radiator and help maintain operating temperature under load.

Compatible With 2002-2008 Dodge Ram 1500, N/A; 2005-2008 Dodge Ram 2500, N/A; 2002-2004 Dodge Ram 1500, N/A; 2002-2004 Dodge Ram 2500, N/A; and 2003 Dodge Ram 1500, N/A. Fits 2002-2008 Dodge Ram 1500, N/A. Fits 2005-2008 Dodge Ram 2500, N/A. Fits 2002-2004 Dodge Ram 1500, N/A. Fits 2002-2004 Dodge Ram 2500, N/A. Fits 2003 Dodge Ram 1500, N/A.

This part cross-references Gates 22168 and 22170 for the same application.

Common Cooling Issues It Can Address

• Engine fan not engaging at the correct temperature
• Excessive fan noise from a worn thermal clutch
• Cooling performance loss during towing or heavy-load driving
• Overheating concerns caused by reduced fan drive
• Inconsistent airflow through the radiator and condenser

Installation Notes and Tips

• Verify reverse rotation and mounting dimensions before installation.
• Inspect the fan blade, water pump area, and surrounding cooling components for wear or damage.
• Confirm the vehicle uses the listed thermal clutch style and 4-bolt mounting pattern.
• Mounting hardware is not included.
• Check clearance, pilot depth, and bolt circle alignment during replacement.

Quality Assurance

Four Seasons 46016 is a new heavy-duty fan clutch that meets or exceeds OEM requirements for the listed applications. Its performance-rated thermal design and aluminum construction support dependable cooling-system service on Dodge Ram 1500 and Ram 2500 trucks.