Hayden 2670 Engine Cooling Fan Clutch

Hayden 2670 Fan Clutch for Toyota Cooling Systems

The Hayden 2670 is a standard-duty thermal engine cooling fan clutch built for Toyota applications that need controlled fan engagement and consistent cooling performance. With an aluminum housing, non-electronic operation, and OE-style flange mounting, it supports dependable airflow management for Tacoma, Hiace, Hilux, 4Runner, and T100 models.

Hayden Fan Clutch 2670 is a new, performance-rated replacement that meets or exceeds OEM requirements. It uses a 4-bolt flange mount, M6 x 1.0 hole thread, and a 5.35-inch fan bolt circle for direct-fit service on select Toyota cooling fan assemblies.

Key Features

• Thermal, standard-duty engine cooling fan clutch
• Aluminum construction with raw aluminum finish
• Non-electronic design for mechanical fan control
• 4-bolt flange mounting with 4 mounting holes
• Fan bolt circle: 5.35 in. / 135.9 mm
• Clutch maximum diameter: 6.65 in. / 168.9 mm
• Overall height: 3.39 in. / 86.1 mm
• Mount diameter: 3.07 in. / 78 mm
• Meets or exceeds OEM specifications
• Performance rated for standard-duty service

Product Details

This Hayden 2670 fan clutch is engineered for Toyota cooling systems that use a thermal, standard-duty import-style clutch. The flange mount, 0.81-inch pilot depth, and 0.63-inch pilot diameter help support proper alignment in the fan drive assembly, while the aluminum body provides a durable service replacement for worn or inconsistent clutches. This part cross-references Dorman - HELP (e.g., 22020, 46061) for the same application.

Fits 2021-2023 Toyota Tacoma, N/A. Fits 2006-2020 Toyota Tacoma, N/A. Fits 1995-2004 Toyota Tacoma, N/A. Fits 2006-2014 Toyota Hiace, N/A. Fits 2004-2014 Toyota Hilux, N/A. Fits 2010 Toyota 4Runner, N/A. Fits 1996-2000 Toyota 4Runner, N/A. Fits 1994-1998 Toyota T100, N/A.

Common Cooling Issues This Part Can Address

• Fan clutch engagement that is delayed or inconsistent
• Excessive fan noise from a worn thermal clutch
• Reduced airflow through the radiator at low vehicle speed
• Cooling performance loss during stop-and-go driving or towing
• Overheating concerns tied to a failing mechanical fan clutch

Installation Notes

Verify the fan bolt circle, pilot dimensions, mounting flange style, and rotation before installation. This Hayden 2670 uses a standard rotation and M6 x 1.0 hole thread, and mounting hardware is not included. Confirm the vehicle’s existing clutch type and cooling fan configuration on Toyota Tacoma, Hiace, Hilux, 4Runner, or T100 applications before service.

Quality Assurance

Hayden lists this fan clutch as new, performance rated, and meeting or exceeding OEM requirements for the specified applications. The part is built as a standard-duty thermal replacement for select Toyota cooling systems.