Hayden
Fan Clutch

Hayden 2741 Engine Cooling Fan Clutch

Brand Hayden 2741
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 1.8
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 2.56
Mount Dia. MM 65
Mounting Hardware? Not Included
Mounting Hole Quantity 4
Mounting Type Flange
New or Reman New
Overall Dia. MM 182.9
Overall Height IN 3.52
Overall Height MM 89.2
Performance Rated? Yes
Pilot Depth IN 0.63
Pilot Depth MM 16
Pilot Dia. IN 0.75
Rotation STD
Style Heavy Duty
Type Thermal
Use Type Heavy
Product line Fan Clutch
Fits Chevrolet · 7 vehicles

Heavy-duty thermal design. Responds to heat for consistent fan control.

Aluminum construction. Lightweight material with a raw aluminum finish.

OE-spec replacement. Meets or exceeds OEM requirements.

Cross-references AMS Automotive 4819, Four Seasons 36747 and Four Seasons 77308 for the same application. See all 20.

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Hayden 2741 Heavy Duty Fan Clutch

The Hayden 2741 is a heavy duty thermal engine cooling fan clutch built for standard rotation applications. It uses an aluminum construction, a flange mount, and a non-electronic design to support consistent fan engagement in demanding cooling systems. This Hayden Fan Clutch is a direct-fit option for 1974-1980 Chevrolet Corvette models with heavy duty fan clutch equipment.

Key Features

  • Heavy duty thermal fan clutch for engine cooling control
  • Aluminum construction with raw aluminum finish
  • Standard rotation, non-electronic design
  • Flange mounting style with 4 bolt holes
  • 7.2 in. clutch maximum diameter and 3.52 in. overall height
  • Meets or exceeds OEM requirements
  • Performance rated for heavy use applications

Product Details

Hayden Fan Clutch 2741 is engineered as a C - Heavy Duty thermal clutch for vehicles that rely on a mechanically driven cooling fan. The 7.2 inch clutch diameter, 2.56 inch mount diameter, and 3.25 inch fan bolt circle support proper fitment in the intended cooling fan assembly. This part cross-references Gates 22037 for the same application. For Chevrolet Corvette cooling system service, Hayden 2741 provides a direct replacement path for 1974-1980 Chevrolet Corvette, N/A applications listed with standard rotation and heavy duty fan clutch notes.

Common Cooling System Issues It Can Address

  • Fan clutch that no longer engages at the correct temperature
  • Cooling fan noise caused by worn clutch internals
  • Reduced airflow through the radiator at idle or low speed
  • Overheating concerns tied to weak fan clutch performance
  • Inconsistent engine cooling in heavy duty service conditions

Installation Notes

Verify the mounting flange, bolt pattern, pilot dimensions, and rotation before installation. Mounting hardware is not included. Confirm the vehicle uses a standard rotation, heavy duty thermal fan clutch setup and compare the existing clutch dimensions to the Hayden 2741 specifications before service. This part is listed for 1974-1980 Chevrolet Corvette applications with heavy duty fan clutch equipment.

Quality Assurance

Hayden 2741 is a new replacement fan clutch that meets or exceeds OEM requirements and is performance rated for heavy duty use. It is built for the cooling demands associated with Chevrolet Corvette fan clutch service and is designed as a direct replacement for the specified application.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1980ChevroletCorvette5.7LV8N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1979ChevroletCorvette——N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1978ChevroletCorvette——N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1977ChevroletCorvette——N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1976ChevroletCorvette——N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1975ChevroletCorvette——N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
1974ChevroletCorvette5.7LV8N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; w/ HD Fan Clutch; Fan Clutch
Directly replaces or cross-references 20 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4819Four Seasons — 36747Four Seasons — 77308Gates — 22037Gates — 22052Hayden — 27412741TA15431721504127133737250292274193021301113674788961765A71337CWK922741FC159FFC5741TKG2741