Hayden 2851 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 2851

The Hayden Fan Clutch 2851 is engineered for severe duty applications, designed to maintain optimal engine cooling in Chevrolet, GMC, Isuzu, and Saab vehicles. This engine cooling fan clutch is compatible with models such as the Trailblazer, Envoy, Ascender, and 9-7x, providing reliable performance under demanding conditions.

• Constructed from durable aluminum material
• Severe duty (D-type) fan clutch for truck and heavy use
• Non-electronic design for straightforward operation
• Four bolt holes with M8 x 1.25 thread size
• Maximum clutch diameter of 7.4 inches (188 mm)
• Mounting type: Hex with 4 mounting holes
• Compatible with Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and Saab 9-7x
• Meets or exceeds OEM specifications

Detailed Product Description

The Hayden Fan Clutch 2851 is a new, performance-rated engine cooling fan clutch designed specifically for severe duty use. Made from raw aluminum, this clutch offers durability and heat resistance necessary for heavy-duty truck fan drives. It features a 7.4-inch maximum diameter and a 1.54-inch distance from clutch to mounting flange, ensuring precise fitment and efficient cooling. The clutch uses a hex mounting type with four bolt holes, each threaded M8 x 1.25, facilitating secure installation. This non-electronic fan clutch is engineered to provide reliable operation without the complexity of electronic controls, making it suitable for a range of Chevrolet, GMC, Isuzu, and Saab models.

About the Hayden Fan Clutch Product Line

The Hayden Fan Clutch product line focuses on providing severe duty and truck fan drive solutions. These fan clutches are designed to meet the demands of heavy-duty applications, offering robust construction and reliable performance. The 2851 model exemplifies this line’s commitment to durability and OEM compliance, making it a suitable replacement part for vehicles requiring dependable engine cooling components.

Common Applications and Problem Solving

• Prevents engine overheating in Chevrolet Trailblazer and GMC Envoy models
• Replaces worn or failing fan clutches in Isuzu Ascender and Saab 9-7x
• Improves cooling efficiency under severe operating conditions
• Eliminates fan clutch slippage and inconsistent fan engagement
• Restores proper fan operation to maintain engine temperature stability

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use appropriate tools for hex mounting bolts (M8 x 1.25 thread)
• Mounting hardware is not included; reuse existing bolts or source new hardware as needed
• Verify clutch alignment and bolt torque specifications during installation
• Check for any signs of wear or damage on the fan and mounting surfaces

Quality Assurance and Warranty

The Hayden Fan Clutch 2851 is a new, performance-rated part that meets or exceeds OEM standards for severe duty applications. Manufactured from high-quality aluminum, it is designed to provide long-lasting service in demanding environments. While specific warranty details are not provided, the product’s compliance with OEM specifications ensures reliability and durability consistent with professional automotive standards.