Hayden 2739 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 2739

The Hayden Fan Clutch 2739 is designed to provide reliable engine cooling for select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Engineered with durable aluminum construction, this standard duty engine cooling fan clutch ensures consistent performance in demanding conditions.

• Constructed from raw aluminum for durability and heat resistance
• Standard use type suitable for everyday driving conditions
• Flange mounting type with 4 bolt holes (M10 x 1.5 thread)
• Non-electronic, B-type clutch compatible with thermal and non-thermal systems
• Maximum clutch diameter of 7.2 inches and overall diameter of 182.9 mm
• Compatible with Chevrolet Astro, Blazer, S10, GMC Jimmy, Sonoma, Isuzu Hombre, Bravada, and Oldsmobile Safari
• Meets or exceeds OEM specifications for reliable fit and function

Hayden Fan Clutch Product Line Details

The Hayden Fan Clutch product line focuses on engine cooling components designed to maintain optimal engine temperature by regulating fan speed. The Fan Clutch 2739 is part of this line, offering a flange-mounted, standard duty clutch that balances performance and durability. This product line is engineered to meet OEM standards, ensuring compatibility and dependable operation across multiple vehicle makes and models.

Detailed Product Description

The Hayden Fan Clutch 2739 features a flange mounting type with four bolt holes, each threaded M10 x 1.5, providing secure attachment to the engine assembly. The clutch has a maximum diameter of 7.2 inches (182.9 mm) and an overall height of 3.33 inches (84.6 mm), with a 1.75-inch distance from the clutch to the mounting flange. Its raw aluminum color reflects the material's natural finish, contributing to heat dissipation. This non-electronic, B-type clutch supports both non-thermal and standard thermal applications, making it versatile for various cooling system configurations. The clutch rotates in reverse (rev) direction and includes a 3.25-inch (82.6 mm) fan bolt circle diameter, ensuring compatibility with specified fan assemblies.

Common Applications and Problem Solving

• Restores proper fan engagement to prevent engine overheating
• Eliminates excessive fan noise caused by worn or failing clutches
• Improves fuel efficiency by reducing unnecessary fan drag
• Prevents premature engine wear due to inadequate cooling
• Replaces damaged or seized fan clutches in Chevrolet Astro, GMC Jimmy, and Isuzu Hombre models

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the flange mounting holes. Note that mounting hardware is not included and must be sourced separately. Ensure bolts are tightened to manufacturer torque specifications to avoid damage. Verify the clutch rotation direction matches the engine fan rotation (reverse rotation for this model). It is recommended to inspect the fan blades and radiator condition during installation for optimal cooling system performance.

Quality Assurance and Warranty

The Hayden Fan Clutch 2739 is a new, performance-rated component that meets or exceeds OEM standards for fit and function. Manufactured from high-quality aluminum, it is designed for durability and consistent operation. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure reliability in automotive cooling applications.