Hayden 2775 Engine Cooling Fan Clutch

Hayden 2775 Severe Duty Fan Clutch

The Hayden 2775 is a thermal engine cooling fan clutch built for severe-duty and truck fan drive applications. It uses a reverse-rotation design and aluminum construction to support cooling performance in demanding service, including Ford F-150 and Ford F-150 Heritage fitments.

Key Features

• Thermal, non-electronic fan clutch for mechanical cooling systems
• Severe duty and truck fan drive style
• Reverse rotation design
• Aluminum body with raw aluminum finish
• 4-bolt mounting pattern with hex mounting type
• Meets or exceeds OEM requirements
• Performance rated for demanding cooling applications
• New replacement part, not remanufactured

Product Details

Hayden Fan Clutch 2775 is engineered as a severe-duty thermal clutch with a 6.45-inch maximum diameter, 3.25-inch fan bolt circle, 1.44-inch mount diameter, and 1.18-inch pilot diameter. The unit measures 3.52 inches in overall height and uses a 5/16-18 hole thread pattern. This part cross-references Four Seasons 36724 and Gates 22159 for the same application. It is a direct-fit cooling component for Ford F-150 cooling system service where reverse-rotation fan clutch operation is required.

Vehicle Fitment

• Fits 1997-2008 Ford F-150, N/A; reverse rotation severe duty thermal engine cooling fan clutch.
• Fits 2004 Ford F-150 Heritage, N/A; reverse rotation severe duty thermal engine cooling fan clutch.

Common Cooling Issues Addressed

• Engine temperature running higher than normal under load
• Fan engagement problems in severe-duty cooling systems
• Reduced airflow through the radiator at low speed
• Noisy or inconsistent mechanical fan operation
• Cooling performance loss on Ford F-150 and Ford F-150 Heritage applications

Installation Notes

Verify reverse rotation, bolt pattern, pilot dimensions, and overall height before installation. Mounting hardware is not included, so reuse or source the correct hardware separately. Confirm fan clutch clearance and fan blade alignment during service to ensure proper operation in the cooling system.

Quality Assurance

Hayden 2775 is a new, performance-rated fan clutch that meets or exceeds OEM specifications. Its severe-duty thermal design is intended for truck and heavy-use cooling demands, with fitment coverage for 1997-2008 Ford F-150 and 2004 Ford F-150 Heritage applications.