Hayden 2778 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 2778

The Hayden Fan Clutch 2778 is designed for heavy-duty engine cooling applications, specifically compatible with Chevrolet Canyon, Colorado, and GMC Canyon models, as well as Isuzu i-280 and i-290 vehicles. Constructed from durable aluminum, this non-electronic fan clutch ensures reliable performance under demanding conditions.

• Material: Aluminum for durability and heat resistance
• Designed for heavy use in severe duty and truck fan drive applications
• 4 bolt holes and 4 mounting holes with M10 x 1.5 bolt thread
• Maximum clutch diameter of 6.45 inches (163.8 mm)
• Mounting type: Hex with a mount diameter of 1.44 inches (36 mm)
• Overall height of 4.63 inches (117.3 mm)
• Non-electronic, reverse rotation clutch type D
• Meets or exceeds OEM specifications
• New, performance-rated component

About the Hayden Fan Clutch Product Line

The Hayden Fan Clutch product line focuses on providing reliable engine cooling fan clutches for heavy-duty and truck applications. This line is engineered to meet the demands of severe duty fan drives, offering components that maintain optimal engine temperature control. The 2778 model exemplifies this with its robust aluminum construction and precise mounting specifications, ensuring compatibility and durability for Chevrolet, GMC, and Isuzu vehicles.

Detailed Product Description

The Hayden Fan Clutch 2778 is a heavy-duty engine cooling fan clutch made from raw aluminum, providing strength and heat dissipation necessary for demanding engine environments. It features a 4-bolt mounting system with M10 x 1.5 threaded holes and a hex mounting type, facilitating secure installation. The clutch has a maximum diameter of 6.45 inches and an overall height of 4.63 inches, designed to fit specific fan bolt circles of 3.25 inches (82.6 mm). This reverse rotation clutch is non-electronic and classified as type D, suitable for severe duty and truck fan drives. The clutch distance to mounting flange is approximately 2.6 inches, ensuring proper alignment and fitment. This new, performance-rated part meets or exceeds OEM standards, making it a reliable replacement for cooling fan clutch needs in compatible Chevrolet Canyon, Colorado, GMC Canyon, and Isuzu i-280 and i-290 models.

Common Applications and Problem Solving

• Prevents engine overheating by regulating fan speed
• Reduces unnecessary fan drag to improve fuel efficiency
• Eliminates fan clutch slippage and overheating issues
• Restores proper cooling system function in heavy-duty trucks
• Replaces worn or damaged fan clutches in Chevrolet, GMC, and Isuzu vehicles

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the 4 bolt holes and mounting holes. Use M10 x 1.5 bolts (not included) for secure attachment. Ensure the hex mounting type is compatible with your vehicle’s fan assembly. Verify the clutch rotation direction matches your engine’s requirements (reverse rotation). It is recommended to inspect the fan blades and surrounding components during installation to ensure optimal performance.

Quality Assurance and Warranty

The Hayden Fan Clutch 2778 is a new, performance-rated part that meets or exceeds OEM specifications for durability and function. While mounting hardware is not included, the clutch is manufactured to strict quality standards to ensure reliable operation in heavy-duty applications. Please consult the manufacturer or distributor for specific warranty details related to this part number.