Hayden 2740 Engine Cooling Fan Clutch

Heavy Duty Thermal Fan Clutch

The Hayden 2740 is a heavy-duty thermal engine cooling fan clutch built for reverse rotation applications. It is a non-electronic, performance-rated aluminum unit that meets or exceeds OEM requirements for the specified Dodge Ram 1500 fitments.

Compatible with 2002-2008 Dodge Ram 1500 applications listed below, this Hayden Fan Clutch line part is built for thermal control of fan engagement in demanding cooling systems. The Hayden 2740 is a direct-fit style replacement for reverse rotation setups and is commonly searched as a Dodge Ram 1500 heavy duty thermal fan clutch replacement.

Key Features

• Brand: Hayden Fan Clutch
• Part number: 2740
• Heavy-duty thermal clutch design
• Reverse rotation (REV) application
• Non-electronic construction
• Aluminum housing with raw aluminum finish
• Performance rated and meets or exceeds OEM specifications
• Mounting type: HEX
• Fan bolt circle: 3.25 in. (82.6 mm)
• Mount diameter: 1.44 in. (36 mm)

Product Details

This Hayden 2740 fan clutch uses a thermal operating design to regulate fan engagement based on temperature demand. It is a heavy-duty C-type clutch with a 7.2 in. maximum diameter, 4-bolt mounting pattern, and 5/16-18 bolt holes. The unit is new, non-electronic, and built in aluminum for a durable cooling-system replacement. This part cross-references Dorman HELP 46013 and Gates 2740 for the same application.

Common Cooling Issues It Can Address

• Weak fan engagement at operating temperature
• Cooling fan noise caused by a worn clutch
• Engine temperature rise during towing or heavy load use
• Reduced airflow through the radiator at low vehicle speed
• Cooling performance loss from a failing thermal clutch

Installation Notes

Verify reverse rotation, mounting diameter, pilot dimensions, and fan bolt circle before installation. This Hayden 2740 uses a hex mounting type and does not include mounting hardware. Confirm the vehicle’s cooling package and fan clutch style against the listed fitment before ordering. Fits 2002-2005 Dodge Ram 1500, N/A. Fits 2005-2008 Dodge Ram 1500, N/A. Fits 2006 Dodge Ram 1500, N/A.

Quality Assurance

Hayden fan clutches are built for OE-style replacement use in cooling system service. This part is listed as performance rated and marked as meeting or exceeding OEM requirements for the applications shown.