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Hayden 2805 Engine Cooling Fan Clutch
| Brand | Hayden 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 |
| Fits | — |
Severe-duty thermal clutch. Built for demanding cooling applications with a thermal design.
Aluminum construction. Lightweight material with a raw aluminum finish.
OE-spec replacement. Meets or exceeds OEM requirements for dependable fit and function.
Cross-references Anchor 2805, Dorman - HELP 46073 and 216060 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Hayden 2805 Severe Duty Fan Clutch
The Hayden 2805 is a thermal, non-electronic engine cooling fan clutch built for severe-duty and truck fan drive applications. With an aluminum housing, standard rotation, and a flange mount design, it is engineered to meet or exceed OEM requirements for demanding cooling systems.
For buyers searching for a Hayden fan clutch 2805 replacement, this unit is a direct-fit style solution for vehicles that use a 6.45-inch clutch diameter, 3.81-inch fan bolt circle, and 3/8-16 threaded bolt holes. It is a practical choice for truck and heavy-duty cooling service where consistent fan engagement matters.
Key Features
- Brand: Hayden Fan Clutch
- Part number: 2805
- Thermal, non-electronic fan clutch
- Severe duty and truck fan drive design
- Aluminum construction with raw aluminum finish
- Standard rotation
- Flange mounting type
- Meets or exceeds OEM specifications
- Performance rated for demanding cooling service
- Mounting hardware not included
Product Details
The Hayden Fan Clutch line is built for cooling-system service where dependable fan control is critical. This severe-duty model uses a thermal design to respond to temperature changes and help maintain proper engine cooling under load. The 2805 features a 6.45-inch maximum diameter, 4.5-inch overall height, 0.75-inch pilot diameter, and 0.52-inch pilot depth, along with a 3.22-inch mount diameter. It is a strong fit for truck cooling repairs and other heavy-duty applications that require a flange-mounted fan clutch.
Cross-reference part numbers for the same application include Dorman HELP 46073 and Anchor 2805. If you are replacing a worn fan clutch on a truck or service vehicle, Hayden 2805 is a relevant search term for OE-style cooling system repair.
Common Problems This Part Can Address
- Engine overheating caused by a worn or weak fan clutch
- Fan engagement that is delayed, inconsistent, or noisy
- Reduced cooling performance during towing or heavy load operation
- Excessive fan drag from a failing thermal clutch
- Cooling-system service needs on severe-duty truck applications
Installation Notes and Tips
Verify the mounting style, bolt circle, pilot dimensions, rotation, and clutch diameter before installation. This Hayden 2805 uses a flange mount with four bolt holes and 3/8-16 threaded holes, so matching the fan and water-pump interface is essential. Inspect the fan blades, pulley alignment, and surrounding cooling components during replacement to avoid repeat failures.
For fitment-focused searches, use phrases such as Hayden 2805 fan clutch replacement, severe duty thermal fan clutch, and truck fan drive cooling repair. Compatible vehicle listings were not provided in the fitment table, so application should be confirmed by dimensions and OE reference numbers.
Quality Assurance
This fan clutch is new and performance rated, and it meets or exceeds OEM specifications. The aluminum construction and thermal severe-duty design support reliable cooling-system service in demanding operating conditions.
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