Hayden 2659 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 2659 for Volvo 760 and 780

The Hayden Fan Clutch 2659 is designed to provide reliable engine cooling for Volvo 760 and 780 models. Constructed from durable aluminum, this standard duty engine cooling fan clutch ensures consistent performance and meets or exceeds OEM specifications.

• Material: Aluminum construction for durability
• Compatible with Volvo 760 and 780 models
• Standard duty clutch type (A - 5" & 6" import)
• Non-electronic, flange mounting type with 4 bolt holes
• Maximum clutch diameter: 6.65 inches
• Fan bolt circle diameter: 5.35 inches (135.9 mm)
• Overall height: 2.86 inches (72.6 mm)
• Meets or exceeds OEM quality standards
• New, performance-rated component

Hayden Fan Clutch Product Line Details

The Hayden Fan Clutch product line focuses on providing reliable engine cooling components designed for standard duty applications. This line includes fan clutches engineered to maintain optimal engine temperature by regulating fan engagement based on engine heat. The 2659 model fits within this line, offering a flange mounting type and a non-electronic design suitable for specific Volvo models.

Detailed Product Description

The Hayden Fan Clutch 2659 features a raw aluminum finish and a flange mounting type with four bolt holes, each threaded M6 x 1.0. The clutch has a maximum diameter of 6.65 inches and a fan bolt circle diameter of 5.35 inches (135.9 mm), ensuring proper fitment on compatible Volvo 760 and 780 vehicles. With an overall height of 2.86 inches (72.6 mm) and a distance of 2.29 inches from clutch to mounting flange, this clutch is designed for precise installation and reliable operation. The clutch type is classified as A - 5" & 6" import, suitable for standard duty cooling needs without electronic control.

Common Applications and Problem Solving

• Prevents engine overheating by regulating fan speed
• Replaces worn or failing fan clutches in Volvo 760 and 780
• Improves engine cooling efficiency under varying load conditions
• Eliminates excessive fan noise caused by stuck or locked clutches
• Restores proper fan engagement for optimal engine performance

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 flange and bolt holes align correctly with the vehicle’s fan assembly. Use appropriate torque specifications for the M6 x 1.0 bolts to secure the clutch. Verify clearance and rotation direction (standard rotation) before finalizing installation. It is recommended to inspect the fan blades and surrounding components during installation for any signs of wear or damage.

Quality Assurance and Warranty

The Hayden Fan Clutch 2659 is a new, performance-rated component that meets or exceeds OEM standards for durability and function. Manufactured with precision aluminum materials, it is designed to provide consistent engine cooling performance. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure reliability in automotive applications.