Hayden 2671 Engine Cooling Fan Clutch

Engine Cooling Fan Clutch for Toyota and Isuzu Applications

The Hayden 2671 is a standard-duty thermal engine cooling fan clutch built for import applications that use a 5" or 6" fan pattern. It features an aluminum construction, non-electronic operation, and a flange mount layout for direct replacement service on select Toyota, Honda, Acura, and Isuzu vehicles.

Key Features

• Thermal, non-electronic fan clutch for engine cooling control
• Standard-duty design with standard rotation
• Aluminum housing with raw aluminum finish
• Flange mounting style with 4 bolt holes and 4 mounting holes
• Fan bolt circle: 5.35 in. / 135.9 mm
• Clutch maximum diameter: 6.65 in. / 168.9 mm
• Mount diameter: 3.07 in. / 78 mm
• Meets or exceeds OEM requirements
• Performance rated for replacement use

Product Details

Hayden Fan Clutch 2671 is engineered as a thermal engine cooling fan clutch for import cooling systems that rely on temperature-responsive fan engagement. The aluminum body, 6.65-inch overall diameter, 3.39-inch overall height, and 2.7-inch distance from clutch to mounting flange support a direct-fit replacement profile for select Toyota Tacoma, Toyota Tundra, Toyota 4Runner, Toyota T100, Acura SLX, Honda Passport, Isuzu Rodeo, and Isuzu Trooper applications. This part cross-references Four Seasons (e.g., 36734, 77305) for the same application.

Common Cooling Issues It Can Address

• Engine fan not engaging at the proper temperature
• Excessive cooling fan noise from a worn clutch
• Overheating caused by inconsistent fan drive
• Reduced airflow at idle or low vehicle speed
• Cooling performance loss from a failing thermal clutch

Installation Notes and Fitment

Compatible With 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, 1995-1998 Toyota T100, 1996-1997 Acura SLX, 1994-1997 Honda Passport, 1995-1997 Isuzu Rodeo, and 1995-1997 Isuzu Trooper. Also fits 1995 Toyota 4Runner, standard duty thermal fan clutch, and 1994 Isuzu Trooper, standard rotation, standard duty thermal fan clutch, from 12/93.

Verify fan bolt circle, mounting flange dimensions, pilot depth, and rotation before installation. Mounting hardware is not included. This Hayden 2671 uses an M6 x 1.0 hole thread pattern and is intended for standard-duty thermal fan clutch replacement service.

Quality Assurance

Hayden lists this fan clutch as new, performance rated, and meeting or exceeding OEM requirements for the specified applications. The Hayden Fan Clutch line is built for replacement cooling system service where thermal fan engagement and consistent airflow are required.