Hayden 2790 Engine Cooling Fan Clutch

Hayden 2790 Severe Duty Fan Clutch

The Hayden 2790 is a thermal engine cooling fan clutch built for severe-duty service and reverse-rotation applications. It is a non-electronic, aluminum fan clutch with a 6.45-inch maximum diameter, made for Dodge truck cooling systems that demand consistent fan engagement under load.

Use this Hayden Fan Clutch line component when servicing Dodge Dakota, Durango, Ram 1500, Ram 2500, Ram 3500, Ramcharger, and Jeep Grand Cherokee applications that call for a severe duty thermal fan clutch. Part number 2790 is a direct-fit style replacement for many reverse-rotation, thread-on fan clutch setups.

Key Features

• Severe duty thermal fan clutch for truck and heavy-duty cooling systems
• Reverse rotation design for listed Dodge and Jeep applications
• Aluminum construction with raw aluminum finish
• Non-electronic clutch design
• Hex mounting type with 4 bolt holes and 4 mounting holes
• Meets or exceeds OEM requirements
• Performance rated for demanding cooling service
• 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

Hayden Fan Clutch 2790 is a thermal, severe-duty truck fan drive engineered for reverse-rotation cooling systems. Its aluminum body, 6.45-inch overall diameter, and 3.27-inch overall height support a compact OE-style layout for vehicles that rely on a thread-on fan clutch and heavy-duty cooling package. This part cross-references Monroe Shocks & Struts (e.g., 272307) for the same application.

Fits 2004 Dodge Dakota, N/A; Fits 1998-2003 Dodge Dakota, N/A; Fits 2003 Dodge Durango, N/A; Fits 2002 Dodge Durango, N/A; Fits 2001-2002 Dodge Ram 1500, N/A; Fits 1994-1999 Dodge Ram 1500, N/A; Fits 2001-2002 Dodge Ram 2500, N/A; Fits 1994-1999 Dodge Ram 2500, N/A; Fits 2001-2002 Dodge Ram 3500, N/A; Fits 1994-1999 Dodge Ram 3500, N/A; Fits 2000-2001 Dodge Durango, N/A; Fits 2001 Dodge Ramcharger, N/A; Fits 1999 Dodge Ramcharger, N/A; Fits 1993-1996 Dodge Ramcharger, N/A; Fits 2000 Dodge Ram 1500, N/A; Fits 2000 Dodge Ram 2500, N/A; Fits 2000 Dodge Ram 3500, N/A; Fits 2000 Dodge Ramcharger, N/A; Fits 1998 Jeep Grand Cherokee, N/A; Fits 1992-1996 Dodge Dakota, N/A; Fits 1992-1993 Dodge D150, N/A; Fits 1993 Dodge D150, N/A; Fits 1992-1993 Dodge D250, N/A; Fits 1993 Dodge D250, N/A; Fits 1993 Dodge D350, N/A; Fits 1992-1993 Dodge W150, N/A; Fits 1993 Dodge W150, N/A; Fits 1992-1993 Dodge W250, N/A; Fits 1993 Dodge W250, N/A; Fits 1993 Dodge W350, N/A.

Common Problems This Part Addresses

• Engine overheating during towing, hauling, or stop-and-go driving
• Weak fan engagement from a worn thermal clutch
• Excessive fan noise caused by a failing clutch mechanism
• Cooling performance loss in reverse-rotation truck applications
• Temperature instability in severe-duty Dodge cooling systems

Installation Notes and Tips

Verify reverse rotation, thread-on mounting, pilot dimensions, and fan bolt circle before installation. Mounting hardware is not included, so reuse or source the correct hardware as needed. Confirm the vehicle’s cooling package and axle or cooling notes listed in the fitment data, especially on Dodge Ram 1500, Ram 2500, Ram 3500, and Dakota applications.

Quality Assurance

Hayden 2790 is a new, performance-rated fan clutch that meets or exceeds OEM requirements. The Hayden Fan Clutch line is built for replacement cooling service where accurate thermal engagement and OE-style fitment matter.