Hayden 2787 Engine Cooling Fan Clutch

Hayden 2787 Severe Duty Fan Clutch

The Hayden 2787 is a thermal engine cooling fan clutch built for severe-duty service and reverse rotation applications. It is a non-electronic, aluminum fan clutch that meets or exceeds OEM requirements for direct replacement use in demanding truck and utility cooling systems.

Use this Hayden Fan Clutch line component when you need a thermal clutch with a 6.45-inch maximum diameter, 4-bolt mounting pattern, and reverse rotation operation. It is a fitment-based replacement for Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Isuzu i-350, Isuzu i-370, Chevrolet P30, and GMC P3500 applications that call for this configuration.

Key Features

• Severe duty thermal fan clutch for truck and heavy-use cooling systems
• Reverse rotation design for the listed vehicle applications
• Aluminum construction with raw aluminum finish
• Non-electronic design for mechanical fan drive systems
• 4-bolt, hex mount configuration with M10 x 1.5 hole thread
• Meets or exceeds OEM specifications
• Performance rated for severe-duty service

Product Details

Hayden 2787 is part of the Hayden Fan Clutch product line, which focuses on thermal fan drive solutions for engine cooling systems. This severe duty fan clutch uses a thermal operating style to regulate fan engagement based on temperature, helping maintain proper airflow through the radiator and cooling stack in demanding driving conditions. The reverse rotation design, 3.25-inch fan bolt circle, 1.18-inch pilot diameter, and 1.44-inch mount diameter support the specified OE-style fitment.

This part cross-references Four Seasons 36947 and US Motor Works 22173 for the same application. For buyers searching for a Hayden 2787 fan clutch for Chevrolet Colorado or GMC Canyon cooling repair, this part matches the listed reverse rotation severe duty thermal configuration.

Common Cooling Issues It Can Address

• Engine overheating at idle or low road speed
• Reduced fan engagement when cooling demand increases
• Excessive fan noise from a worn or failing clutch
• Cooling performance loss in severe-duty or truck use
• Temperature instability during towing, hauling, or stop-and-go driving

Installation Notes

Verify reverse rotation, bolt pattern, pilot dimensions, and clutch diameter before installation. Mounting hardware is not included, so reuse or source the correct hardware for the application. Confirm the fan clutch matches the vehicle’s cooling fan drive setup and the listed fitment before service.

Fits 2004-2012 Chevrolet Colorado, N/A; Fits 2004-2012 GMC Canyon, N/A; Fits 2006-2010 Hummer H3, N/A; Fits 2009-2010 Hummer H3T, N/A; Fits 2007-2008 Isuzu i-370, N/A; Fits 2006 Isuzu i-350, N/A; Fits 1996-1999 Chevrolet P30, N/A; Fits 1996-1999 GMC P3500, N/A.

Quality Assurance

Hayden lists this fan clutch as new, performance rated, and engineered to meet or exceed OEM specifications for the stated applications. The aluminum severe-duty construction supports dependable service in mechanical cooling systems that require a thermal reverse-rotation fan clutch.