Four Seasons 46013 Engine Cooling Fan Clutch

Four Seasons 46013 Fan Clutch Overview

The Four Seasons 46013 is a heavy-duty thermal engine cooling fan clutch built for reverse-rotation applications. It is a new, non-electronic aluminum unit that meets or exceeds OEM requirements and is performance rated for demanding cooling-system service.

Compatible with Dodge Ram 1500 applications from 2002-2008, this fan clutch is a direct-fit cooling component for vehicles that need consistent fan engagement under load. The Four Seasons Fan Clutch line focuses on dependable thermal control for engine cooling systems, and part number 46013 follows that approach with a heavy-duty design.

Key Features

• Four Seasons Fan Clutch, part number 46013
• Heavy-duty thermal clutch design for reverse rotation systems
• Aluminum construction with raw aluminum finish
• Non-electronic clutch type
• Meets or exceeds OEM specifications
• Performance rated for cooling-system service
• Mounting type: HEX
• Fan bolt circle: 3.25 in. (82.6 mm)
• Overall diameter: 7.2 in. (182.9 mm)
• Overall height: 4.42 in. (112.3 mm)

Detailed Description

This thermal fan clutch regulates fan engagement based on temperature, helping the cooling fan respond when engine heat rises. The heavy-duty C-style construction, 4-bolt mounting pattern, and reverse-rotation configuration make the Four Seasons 46013 a practical replacement for Ram 1500 cooling systems that require the correct OE-style fit and function. It is a new aluminum clutch with a 1.44 in. mount diameter, 1.18 in. pilot diameter, and 0.7 in. pilot depth.

This part cross-references Gates 2740 and 22168 for the same application. Four Seasons 46013 is also referenced in the Dodge Ram 1500 cooling fan clutch category for 2002-2008 model years.

What It Helps Address

• Engine overheating caused by a worn or weak fan clutch
• Delayed fan engagement during stop-and-go driving
• Reduced cooling performance under towing or heavy-load conditions
• Noise or vibration from a failing thermal clutch assembly
• Incorrect fan operation in reverse-rotation cooling setups

Installation Notes and Tips

Verify reverse-rotation fan clutch requirements before installation. Confirm the 4-bolt pattern, 5/16-18 hole thread specification, 3.25 in. fan bolt circle, and 1.44 in. mount diameter match the original unit. Mounting hardware is not included, so reuse or source the correct hardware as needed. Inspect the fan, water pump area, and surrounding cooling components during replacement to ensure the system is operating correctly.

• Fits 2005-2008 Dodge Ram 1500, N/A; Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
• Fits 2006 Dodge Ram 1500, N/A; Reverse Rotation; Heavy Duty Thermal Fan Clutch; Heavy Duty; Fan Clutch
• Fits 2002-2005 Dodge Ram 1500, N/A; Reverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch

Quality Assurance

Four Seasons 46013 is a new, performance-rated fan clutch that meets or exceeds OEM specifications for the listed applications. It is built as a heavy-duty thermal replacement for Dodge Ram 1500 cooling systems from 2002-2008.