Hayden 6251 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 6251 for Audi Allroad Quattro

The Hayden Fan Clutch 6251 is a thermal engine cooling fan clutch designed specifically for the Audi Allroad Quattro. Constructed from durable aluminum, this standard duty fan clutch helps regulate engine temperature by controlling the fan's engagement based on thermal conditions.

• Material: Aluminum construction for durability and heat resistance
• Type: Thermal fan clutch with standard duty rating
• Mounting: Threaded shaft with 3 bolt holes (M6 x 1.0 thread)
• Dimensions: 6.3 inch maximum diameter, 2.29 inch overall height
• Compatibility: Designed for Audi Allroad Quattro models
• OEM Standards: Meets or exceeds original equipment manufacturer specifications
• Rotation: Standard rotation direction
• New, performance-rated part

Details on Hayden Fan Clutch Product Line

The Hayden Fan Clutch product line focuses on reliable thermal fan clutches engineered for standard duty applications. These fan clutches are designed to provide consistent engine cooling performance by engaging and disengaging the cooling fan based on engine temperature. The 6251 model continues this tradition with precise fitment and quality materials, ensuring compatibility and durability for the Audi Allroad Quattro.

Technical Description and Specifications

This engine cooling fan clutch features a raw aluminum finish and a threaded shaft mounting type, with three bolt holes for secure installation. The clutch has a maximum diameter of 6.3 inches (160 mm) and an overall height of 2.29 inches (58.2 mm). The distance from the clutch to the mounting flange is 1.45 inches, and the fan bolt circle measures 5.79 inches (147.1 mm). The pilot diameter is 0.94 inches (24 mm) with a pilot depth of 0.58 inches. Designed for standard rotation, this thermal clutch does not include electronic control and comes without mounting hardware. It is a new, performance-rated part that meets or exceeds OEM standards for the Audi Allroad Quattro.

Common Applications and Problem Solving

• Regulates engine temperature by controlling fan engagement
• Prevents engine overheating during high load or hot weather conditions
• Reduces unnecessary fan operation to improve fuel efficiency
• Replaces worn or failing fan clutches causing poor cooling performance
• Eliminates fan noise caused by slipping or stuck clutches

Installation Notes and Tips

Installation requires removal of the existing fan clutch and mounting hardware, which is not included with this part. Ensure the mounting surface and threaded shaft are clean and free of debris before installation. Use proper torque specifications for the M6 x 1.0 bolt threads to secure the clutch. Verify the rotation direction matches the vehicle’s fan rotation. It is recommended to inspect the cooling fan and radiator for any damage during installation.

Quality Assurance and Warranty

The Hayden Fan Clutch 6251 is a new, performance-rated component that meets or exceeds OEM specifications for the Audi Allroad Quattro. Manufactured with aluminum for durability and thermal efficiency, this part is designed to provide reliable engine cooling performance. Warranty details should be confirmed with the original equipment provider or distributor.