Hayden 2556 Engine Cooling Fan Clutch

Hayden 2556 Thermal Fan Clutch for Toyota Corolla

The Hayden 2556 is a standard-duty thermal engine cooling fan clutch built for select Toyota Corolla applications from 1971-1987. It uses an aluminum construction, a flange mount, and a non-electronic thermal design to support consistent fan engagement in everyday cooling system service.

For Toyota Corolla owners searching for a thermal fan clutch, standard-duty fan clutch, or Hayden 2556 replacement, this unit matches the listed import-style application with a 5.85-inch maximum diameter and 5.03-inch fan bolt circle.

Key Features

• Thermal, non-electronic fan clutch for engine cooling control
• Standard-duty use type for routine cooling system replacement
• Aluminum housing with raw aluminum finish
• Flange mounting style with 4-bolt, 4-hole pattern
• 5.85-inch clutch diameter and 3-inch mount diameter
• Meets or exceeds OEM requirements
• Performance rated for verified cooling system service
• Compatible with Toyota Corolla applications listed below

Product Details

Hayden Fan Clutch 2556 is an A - 5" & 6" import-style thermal fan clutch engineered for standard rotation applications. The clutch measures 5.85 inches in diameter, 2.3 inches in overall height, and 1.76 inches from the clutch to the mounting flange. It also features a 0.63-inch pilot diameter and 0.59-inch pilot depth, with M6 x 1.0 hole threading at the mounting points. This part cross-references Four Seasons 36923 and Gates 22080 for the same application.

Compatible With 1971-1987 Toyota Corolla, N/A. This Hayden 2556 fan clutch is a direct-fit cooling component for thermal engine cooling fan clutch service on the Corolla platform across the listed years.

Common Cooling System Issues Addressed

• Fan clutch that no longer engages at the proper temperature
• Cooling fan operation that feels inconsistent during normal driving
• Excessive fan drag from a worn thermal clutch
• Cooling performance concerns tied to an aging fan clutch assembly
• Replacement needs during radiator or water pump service

Installation Notes and Tips

Verify the fan bolt circle, mount diameter, pilot dimensions, and rotation before installation. This Hayden 2556 uses a flange mount and does not include mounting hardware, so confirm the existing fan and fastener setup matches the listed specifications. Always inspect the fan blades, water pump, and surrounding cooling components before completing the repair.

Quality Assurance

Hayden lists this fan clutch as new, performance rated, and meeting or exceeding OEM requirements. The Hayden Fan Clutch line is used for replacement cooling applications where accurate thermal fan engagement and standard-duty service are required.