Hayden 2737 Engine Cooling Fan Clutch

Hayden 2737 Heavy Duty Thermal Fan Clutch

The Hayden 2737 is a heavy duty thermal fan clutch built for reverse rotation cooling systems. It is a new, non-electronic aluminum unit with a flange mount and 4-bolt pattern, made to meet or exceed OEM requirements for direct replacement service.

Compatible With Jeep Cherokee, Jeep TJ, and Jeep Wrangler applications that use a reverse rotation heavy duty thermal fan clutch, this part number 2737 is sized for a 7.2-inch clutch diameter and a 3.25-inch fan bolt circle. Hayden Fan Clutch products are used where consistent fan engagement and engine cooling control are needed under load.

Key Features

• Brand: Hayden Fan Clutch
• Part Number: 2737
• Heavy duty thermal clutch design
• Reverse rotation (REV) application
• Aluminum construction with raw aluminum finish
• Flange mounting style with 4 bolt holes
• Non-electronic design
• Performance rated and meets or exceeds OEM specifications
• New replacement part

Product Details

Hayden 2737 is engineered as a C - Heavy Duty thermal fan clutch for vehicles that rely on temperature-responsive fan control. The unit measures 7.2 inches in clutch diameter, 3.23 inches in overall height, and uses a 2.6-inch mount diameter with a 0.63-inch pilot diameter. The reverse rotation design and 5/16-18 bolt holes make it a direct-fit service part for the listed Jeep cooling system applications. This part cross-references Four Seasons 36942 and Gates 22149 for the same application.

Common Cooling Issues It Can Address

• Weak fan engagement at operating temperature
• Cooling fan noise caused by a worn clutch
• Engine temperature rise during idle or low-speed driving
• Reduced airflow through the radiator and condenser
• Cooling performance loss in Jeep Cherokee, TJ, and Wrangler applications

Installation Notes and Tips

Verify reverse rotation fan clutch requirements before installation. Confirm the 4-bolt flange pattern, 3.25-inch fan bolt circle, pilot depth, and overall height against the original unit on the vehicle. Mounting hardware is not included, so reuse or source the correct hardware separately as needed. Always inspect the fan blades, water pump area, and surrounding cooling components during replacement.

Quality Assurance

Hayden 2737 is a new, performance-rated thermal fan clutch built to meet or exceed OEM specifications for the listed Jeep applications. It is designed for heavy duty service in 1991-2000 Jeep Wrangler, 1994-2000 Jeep Cherokee, and 1997-1999 Jeep TJ cooling systems.

• Fits 1994-2000 Jeep Cherokee, N/A, reverse rotation heavy duty thermal fan clutch
• Fits 1997-1999 Jeep TJ, N/A, reverse rotation heavy duty thermal fan clutch
• Fits 1997-1999 Jeep Wrangler, N/A, reverse rotation heavy duty thermal fan clutch
• Fits 1991-1995 Jeep Wrangler, N/A, reverse rotation heavy duty thermal fan clutch