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Hayden 2805 Engine Cooling Fan Clutch
Overview of Hayden Fan Clutch 2805
The Hayden Fan Clutch 2805 is engineered for severe duty applications, providing reliable engine cooling performance. Constructed from durable aluminum, this non-electronic fan clutch is designed to meet or exceed OEM specifications, making it suitable for heavy-duty trucks and vehicles requiring robust cooling solutions.
- Material: Aluminum for durability and heat resistance
- Severe duty use type, ideal for truck fan drives
- Non-electronic clutch type for straightforward operation
- 4 bolt holes and 4 mounting holes with 3/8-16 bolt thread
- Maximum clutch diameter of 6.45 inches and flange mounting type
- Overall height of 4.5 inches and rotation: standard
- Performance rated and new condition
- Raw aluminum color finish
Detailed Product Description
The Hayden Fan Clutch 2805 belongs to the Fan Clutch product line, which focuses on delivering reliable engine cooling components designed for severe duty and truck fan drive applications. This clutch features a flange mounting type with four bolt holes, each threaded 3/8-16, ensuring secure attachment to compatible fan assemblies. The clutch has a maximum diameter of 6.45 inches and an overall height of 4.5 inches, with a distance of 2.38 inches from the clutch to the mounting flange. Its raw aluminum construction offers excellent heat dissipation and durability under demanding conditions.
Designed as a non-electronic clutch, the Hayden 2805 operates with standard rotation and is performance rated to maintain optimal engine temperatures. The clutch’s mounting diameter measures 3.22 inches (82 mm), and the fan bolt circle diameter is 3.81 inches (96.8 mm), making it compatible with a range of heavy-duty truck cooling fan assemblies. This part is new and meets or exceeds OEM standards, ensuring dependable performance in severe environments.
Common Applications and Problem Solving
- Replaces worn or failing severe duty fan clutches in heavy-duty trucks
- Addresses overheating issues caused by inefficient fan engagement
- Improves engine cooling under high load or towing conditions
- Eliminates fan clutch slippage that reduces cooling efficiency
- Restores proper fan operation to prevent engine damage from heat
Installation Notes and Tips
When installing the Hayden Fan Clutch 2805, ensure the mounting flange and bolt holes align correctly with the vehicle’s fan assembly. Use the specified 3/8-16 bolts (not included) to secure the clutch firmly. Verify the clutch rotation matches the engine’s fan rotation direction (standard rotation). It is recommended to inspect the fan blades and surrounding components for wear or damage during installation to maintain optimal cooling system performance.
Quality Assurance and Warranty
The Hayden Fan Clutch 2805 is a new, performance-rated component that meets or exceeds OEM specifications for severe duty applications. Manufactured with high-quality aluminum, it is designed to withstand demanding operating conditions typical of heavy-duty trucks. While specific warranty details are not provided, Hayden products generally adhere to strict quality control standards to ensure reliability and durability in engine cooling systems.
| Brand | Hayden |
| Part Number | 2805 |
| Material | Aluminum |
| Use Type | Severe |
| Color | Raw aluminum in color |
| Bolt Hole Quantity | 4 |
| Mounting Hole Quantity | 4 |
| Distance From Clutch To Mounting Flange | 2.38 |
| Clutch Maximum Diameter | 6.45 |
| Rotation | Std |
| Mounting Type | Flange |
| Bolt Quantity | 4 |
| Bolt Thread | 3/8-16 hole |
| Clutch Type | D - severe duty & truck fan drive |
| Description | Fan clutches |
| Dia. IN | 6.45 |
| Electronic Clutch? | Non electronic |
| Fan Bolt Circle IN | 3.81 |
| Fan Bolt Circle MM | 96.8 |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 3.22 |
| Mount Dia. MM | 82 |
| Mounting Hardware? | Not included |
| New or Reman | New |
| Overall Dia. MM | 163.8 |
| Overall Height IN | 4.5 |
| Overall Height MM | 114.3 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.52 |
| Pilot Depth MM | 13.2 |
| Pilot Dia. IN | 0.75 |
| Style | Severe duty |
This part fits 0 vehicles. Search below:
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* 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.