Hayden 2872 Engine Cooling Fan Clutch

Hayden 2872 Severe Duty Thermal Fan Clutch

The Hayden 2872 is a severe duty thermal engine cooling fan clutch built for standard rotation applications that demand consistent fan engagement. With an aluminum construction, 6-bolt flange mounting, and a 7.4-inch clutch diameter, it is a direct-fit cooling component for select Chevrolet P20, Chevrolet P30, GMC P2500, and GMC P3500 trucks.

Hayden Fan Clutch 2872 is a new, non-electronic thermal unit that meets or exceeds OEM requirements and is performance rated for heavy-duty use. It is a practical replacement for severe duty truck fan drive service where dependable cooling control matters.

Key Features

• Brand: Hayden Fan Clutch
• Part number: 2872
• Type: thermal, severe duty
• Standard rotation design
• Aluminum construction with raw aluminum finish
• 6-bolt flange mounting
• Fan bolt circle: 6 in. (152.4 mm)
• Clutch maximum diameter: 7.4 in. (188 mm)
• Overall height: 3.83 in. (97.2 mm)
• Non-electronic design
• Meets or exceeds OEM requirements
• Performance rated

Product Details

This Hayden 2872 fan clutch is part of the Hayden Fan Clutch line, a cooling-focused product line for engine-driven fan control. It uses a thermal operating design to regulate fan engagement based on temperature, helping maintain proper airflow through the radiator and cooling stack in severe duty truck applications. The 6-hole flange mount, 3.22-inch mount diameter, and 0.75-inch pilot diameter support a precise installation on the listed vehicles.

Compatible With 1985-1989 Chevrolet P20, N/A; 1985-1989 Chevrolet P30, N/A; 1985-1987 GMC P2500, N/A; 1989 GMC P2500, N/A; and 1985-1989 GMC P3500, N/A. This part cross-references Dorman - HELP 46039 for the same application.

Common Problems This Part Can Address

• Cooling fan not engaging at the proper temperature
• Excessive engine temperature during heavy-duty operation
• Reduced airflow through the radiator at idle or low speed
• Fan clutch wear causing inconsistent fan drive response
• Noisy or inefficient fan clutch operation in severe duty service

Installation Notes and Tips

• Verify standard rotation, 6-bolt flange mounting, and 6-inch fan bolt circle before installation.
• Confirm the clutch diameter, pilot diameter, and overall height match the original unit.
• Mounting hardware is not included.
• Inspect the fan, water pump area, and surrounding cooling components during replacement.
• Use the vehicle-specific fitment above for Chevrolet P20, Chevrolet P30, GMC P2500, and GMC P3500 applications.

Quality Assurance

Hayden 2872 is a new severe duty thermal fan clutch that meets or exceeds OEM specifications and is performance rated for truck cooling service. The aluminum construction and OE-style fitment support dependable replacement use in the listed Chevrolet and GMC applications.