Four Seasons 46019 Engine Cooling Fan Clutch

Four Seasons 46019 Severe Duty Fan Clutch

The Four Seasons Fan Clutch 46019 is a thermal, reverse-rotation engine cooling fan clutch built for severe-duty service. It is a new, non-electronic aluminum unit that meets or exceeds OEM requirements and is engineered for Dodge Ram cooling systems that need consistent fan engagement under load.

Key Features

• Brand: Four Seasons Fan Clutch
• Part number: 46019
• Thermal, severe-duty clutch type for demanding cooling conditions
• Reverse rotation design for listed Dodge Ram applications
• Aluminum construction with raw aluminum finish
• Non-electronic fan clutch
• Performance rated and meets or exceeds OEM specifications
• Hex mounting type with 4-bolt, 4-hole pattern
• Fan bolt circle: 3.25 in. / 82.6 mm
• Mount diameter: 1.44 in. / 36 mm

Product Details

Four Seasons 46019 is part of the Fan Clutch line, a product line focused on engine cooling fan control for vehicles that rely on thermal clutch operation rather than electronic control. This severe-duty thermal fan clutch is built for reverse-rotation applications and is sized for the listed mounting and pilot dimensions, making it a direct-match option for select Dodge Ram 1500, Ram 2500, and Ram 3500 trucks. The aluminum body and heavy-duty clutch design support consistent fan engagement in high-load cooling situations.

Compatible With 2003-2004 Dodge Ram 1500, 2003-2004 Dodge Ram 2500, 2003-2004 Dodge Ram 3500, 2005-2008 Dodge Ram 2500, and 2005-2008 Dodge Ram 3500. This part cross-references Dorman - HELP 46019 for the same application.

Common Cooling Issues It Can Address

• Engine temperature rise during towing or heavy hauling
• Reduced fan engagement from a worn thermal clutch
• Cooling fan noise caused by clutch wear or failure
• Inconsistent airflow at idle or low road speed
• Cooling performance loss in severe-duty driving conditions

Installation Notes

Verify reverse-rotation fan clutch requirements, mounting diameter, pilot dimensions, and bolt pattern before installation. Mounting hardware is not included. Confirm the fan bolt circle and clutch depth against the vehicle’s cooling fan assembly, and inspect the fan blades, water pump area, and surrounding components for wear before replacing the clutch.

Quality Assurance

This Four Seasons fan clutch is new, performance rated, and listed as meeting or exceeding OEM specifications. It is built for severe-duty thermal operation in confirmed Dodge Ram applications, including Ram 1500, Ram 2500, and Ram 3500 models.