Hayden
Fan Clutch

Hayden 2740 Engine Cooling Fan Clutch

Brand Hayden 2740
Bolt Hole Quantity 4
Bolt Thread 5/16-18 Hole
Clutch Maximum Diameter 7.2
Clutch Type C - Heavy Duty
Color Raw Aluminum in Color
Description Fan Clutches
Dia. IN 7.2
Distance From Clutch To Mounting Flange 2.7
Electronic Clutch? Non Electronic
Fan Bolt Circle IN 3.25
Fan Bolt Circle MM 82.6
Material Aluminum
Meets / Exceeds OEM? Yes
Mount Dia. IN 1.44
Mount Dia. MM 36
Mounting Hardware? Not Included
Mounting Hole Quantity 4
Mounting Type HEX
New or Reman New
Overall Dia. MM 182.9
Overall Height IN 4.42
Overall Height MM 112.3
Performance Rated? Yes
Pilot Depth IN 0.7
Pilot Depth MM 17.8
Pilot Dia. IN 1.18
Pilot Dia. MM 30
Rotation REV
Style Heavy Duty
Type Thermal
Use Type Heavy
Product line Fan Clutch
Fits Dodge · 13 vehicles

Heavy-duty thermal clutch. Responds to temperature changes for more consistent fan control.

Aluminum construction. Lightweight material helps resist corrosion in demanding cooling systems.

OE-spec replacement. Meets or exceeds OEM requirements for dependable fit and function.

Cross-references Dorman - HELP 46013, Gates 2740 and Gates 22168 for the same application. See all 30.

$66.99Free shipping
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Order total $66.99
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Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2008DodgeRam 1500Automatic5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2008DodgeRam 1500Manual5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2007DodgeRam 1500Automatic5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2007DodgeRam 1500Manual5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2006DodgeRam 1500Automatic5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2006DodgeRam 1500Manual5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2006DodgeRam 1500Automatic3.7LV6N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; Heavy Duty; Fan Clutch
2005DodgeRam 1500Automatic5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2005DodgeRam 1500Manual5.7LV8N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch
2005DodgeRam 1500Automatic3.7LV6N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2004DodgeRam 1500Automatic3.7LV6N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2003DodgeRam 1500Automatic3.7LV6N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2002DodgeRam 1500Automatic3.7LV6N/AReverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
Directly replaces or cross-references 30 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 46013Gates — 2740Gates — 22168Mopar — 52029876ACURO — 92022002151342716159225111540330111460131919017152028789AA52028789AB52028789AC52028789AD52028789AE52028789AF52028790AA52028790AB52028790AC52028790AD52028790AE52029876AA52029977AA52029977AB52029977AC52029977ADA71615CWK922511KG5861