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Hayden 2634 Engine Cooling Fan Clutch
Overview of Hayden Fan Clutch 2634 for Land Rover Vehicles
The Hayden Fan Clutch 2634 is designed to provide reliable engine cooling performance for Land Rover models including the Defender 90, Discovery, and Range Rover. Constructed from durable aluminum, this engine cooling fan clutch ensures consistent operation under standard use conditions.
- Material: Aluminum construction for durability and heat resistance
- Compatible with Land Rover Defender 90, Discovery, and Range Rover
- Non-electronic, thermal type clutch with standard duty style
- Four bolt holes and mounting holes with M8 x 1.25 thread size
- Maximum clutch diameter of 6 inches and overall diameter of 152.4 mm
- Meets or exceeds OEM specifications for reliable fit and function
- Raw aluminum color with hex mounting type
- Performance rated for consistent engine cooling
Detailed Description of Hayden Fan Clutch 2634
The Hayden Fan Clutch 2634 belongs to the Fan Clutch product line, which focuses on providing dependable engine cooling components designed to maintain optimal engine temperatures. This particular clutch is a thermal type, non-electronic unit that operates with reverse rotation and is built for standard duty applications. Its aluminum material offers a balance of lightweight construction and heat dissipation, making it suitable for the demanding environments faced by Land Rover vehicles.
With a clutch maximum diameter of 6 inches and a mounting diameter of 1.44 inches (37 mm), this fan clutch is engineered to fit precisely on the cooling fan assembly. The four bolt holes and mounting holes, each with M8 x 1.25 threading, ensure secure installation. The overall height of 2.84 inches (72.1 mm) and a pilot depth of 0.56 inches (14.3 mm) contribute to its compatibility with the specified Land Rover models.
Applications and Problem Solving
- Maintains proper engine temperature by regulating fan engagement
- Prevents engine overheating during low-speed or idle conditions
- Reduces unnecessary fan drag to improve fuel efficiency
- Replaces worn or failing fan clutches in Land Rover Defender 90, Discovery, and Range Rover
- Addresses inconsistent fan operation and cooling system noise
Installation Notes and Tips
Installation of the Hayden Fan Clutch 2634 requires attention to the mounting hardware, which is not included. Ensure that the four bolts used match the M8 x 1.25 thread specifications for proper fitment. The hex mounting type facilitates secure attachment to the fan assembly. It is recommended to verify the clutch rotation direction (reverse) to match the vehicle’s cooling fan setup. Proper torque specifications should be followed to avoid damage to the clutch or mounting flange.
Quality Assurance and Warranty
This Hayden Fan Clutch 2634 is a new, performance-rated component that meets or exceeds OEM standards for Land Rover Defender 90, Discovery, and Range Rover models. Manufactured with precision aluminum and designed for standard duty thermal operation, it offers reliable engine cooling performance. While specific warranty details are not provided, Hayden products typically adhere to industry quality standards to ensure durability and consistent function.
| Brand | Hayden |
| Part Number | 2634 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | M8 x 1.25 Hole |
| Clutch Maximum Diameter | 6 |
| Clutch Type | B - Non-Thermal & Std Thermal |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 6.0 |
| Distance From Clutch To Mounting Flange | 1.12 |
| Electronic Clutch? | Non Electronic |
| Fan Bolt Circle IN | 3.25 |
| Fan Bolt Circle MM | 82.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 1.44 |
| Mount Dia. MM | 37 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | HEX |
| New or Reman | New |
| Overall Dia. MM | 152.4 |
| Overall Height IN | 2.84 |
| Overall Height MM | 72.1 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.56 |
| Pilot Depth MM | 14.3 |
| Rotation | REV |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Land Rover | Discovery | N/A | Reverse Rotation Standard Duty Thermal Fan Clutch without Fan Blades; Fan Clutch | ||
| 1998 | Land Rover | Discovery | N/A | Reverse Rotation Standard Duty Thermal Fan Clutch without Fan Blades; Fan Clutch | ||
| 1997 | Land Rover | Defender 90 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 1997 | Land Rover | Discovery | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 1996 | Land Rover | Discovery | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 1995 | Land Rover | Discovery | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 1995 | Land Rover | Range Rover | 3.9L | V8 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; For 7 Blade Fan; Fan Clutch |
| 1995 | Land Rover | Range Rover | 4.2L | V8 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; For 7 Blade Fan; Fan Clutch |
| 1994 | Land Rover | Discovery | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.