Hayden 2558 Engine Cooling Fan Clutch

Hayden 2558 Thermal Fan Clutch for Volvo

The Hayden 2558 is a standard-duty thermal engine cooling fan clutch built for import applications that need controlled fan engagement and consistent cooling performance. It is a non-electronic, aluminum fan clutch with a flange mount and OEM-style dimensions for select Volvo models.

Compatible With 1983-1993 Volvo 240, 740, 760, 780, 940, 745, DL, and GLE applications, this Hayden Fan Clutch line part is built to match the thermal control needs of standard-duty cooling systems. The 2558 part number is also a direct reference point for service replacement searches on Volvo cooling fan clutch applications.

Key Features

• Thermal, non-electronic fan clutch for engine cooling control
• Standard-duty design for everyday cooling system service
• Aluminum construction with raw aluminum finish
• Flange mounting style with 4 bolt holes and 4 mounting holes
• 5.85 in. clutch maximum diameter and 2.31 in. overall height
• 4.8 in. fan bolt circle and M6 x 1.0 hole thread pattern
• Meets or exceeds OEM requirements
• Performance rated

Product Details

Hayden Fan Clutch 2558 is a thermal engine cooling fan clutch engineered for standard rotation applications using a 5-inch and 6-inch import clutch format. It features a 65 mm mount diameter, 12.7 mm pilot depth, and a 0.59 in. pilot diameter for precise fitment in the cooling fan assembly. The aluminum body and flange mount support a direct replacement approach for select Volvo cooling systems, including Volvo 240, 740, 760, 780, 940, 745, DL, and GLE models.

This part cross-references Four Seasons 36918 and Gates 22030 for the same application.

Common Cooling Issues It Can Address

• Fan clutch engagement that is delayed or inconsistent
• Cooling fan noise caused by a worn thermal clutch
• Reduced airflow through the radiator at operating temperature
• Engine temperature fluctuation in stop-and-go driving
• Cooling system service needs on aging Volvo fan clutch assemblies

Installation Notes and Tips

Verify the fan bolt circle, mount diameter, pilot dimensions, and rotation before installation. This Hayden 2558 fan clutch uses a flange mount and standard rotation, so matching the original cooling fan setup is important for proper operation. Confirm the vehicle’s existing thermal clutch style and hardware interface before replacing the unit.

Fits 1983-1990 Volvo 760, N/A; Fits 1984 Volvo DL, N/A; Fits 1984 Volvo GLE, N/A; Fits 1985 Volvo 745, N/A; Fits 1985-1992 Volvo 740, N/A; Fits 1989-1991 Volvo 780, N/A; Fits 1990-1993 Volvo 240, N/A; Fits 1991 Volvo 940, N/A.

Quality Assurance

Hayden lists this fan clutch as new, performance rated, and meeting or exceeding OEM requirements. The 2558 is a standard-duty thermal replacement built for service use in select Volvo cooling applications.