Hayden 2597 Engine Cooling Fan Clutch

Hayden 2597 Thermal Fan Clutch

The Hayden 2597 is a standard-duty thermal engine cooling fan clutch built for import applications that need consistent fan engagement and controlled airflow. With an aluminum body, non-electronic design, and OEM-level fitment dimensions, it is a direct replacement for select Audi and Volkswagen cooling systems.

Compatible With 1996-2005 Audi A4, A4 Quattro, A6, A6 Quattro, S4, and Volkswagen Passat applications, this Hayden Fan Clutch 2597 is built around standard rotation and thermal operation for everyday cooling performance.

Key Features

• Thermal, standard-duty fan clutch for engine cooling control
• Aluminum construction with raw aluminum finish
• Non-electronic design for traditional mechanical fan systems
• Standard rotation (STD) and hex mounting type
• Meets or exceeds OEM requirements
• Performance rated for import cooling applications
• Fan bolt circle: 4.88 in. / 124 mm
• Mount diameter: 1.26 in. / 32 mm
• Overall height: 1.95 in. / 50 mm

Product Details

The Hayden Fan Clutch 2597 is engineered as a thermal replacement for select Audi and Volkswagen vehicles that use a 5-inch or 6-inch import-style clutch configuration. Its aluminum housing, 5.49-inch maximum diameter, and 0.94-inch pilot diameter support proper alignment in the cooling fan assembly. This part number is commonly searched as Hayden 2597 fan clutch for Audi A4, Audi A6, Audi S4, and Volkswagen Passat cooling repair.

This part cross-references Gates 22303 and URO 078121350A for the same application.

Common Cooling Issues It May Address

• Engine temperature running higher than normal in stop-and-go traffic
• Fan engagement that is delayed, weak, or inconsistent
• Excessive fan noise from a worn thermal clutch
• Reduced airflow through the radiator at low vehicle speed
• Cooling performance loss on Audi and Volkswagen import applications

Installation Notes

• Verify the fan bolt circle, pilot diameter, and mounting style before installation.
• Inspect the fan blades, water pump area, and surrounding cooling components for wear or damage.
• Confirm standard rotation and thermal clutch orientation match the original unit.
• Mounting hardware is not included.
• Use the vehicle service procedure for torque and clearance checks during installation.

Quality Assurance

Hayden 2597 is a new, performance-rated fan clutch that meets or exceeds OEM specifications for the listed applications. It is built for standard-duty thermal cooling service in select Audi and Volkswagen models, including Audi A4, A4 Quattro, A6, A6 Quattro, S4, and Volkswagen Passat.