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Hayden 2659 Engine Cooling Fan Clutch
| Brand | Hayden 2659 |
|---|---|
| Bolt Hole Quantity | 4 |
| Bolt Thread | M6 x 1.0 Hole |
| Clutch Maximum Diameter | 6.65 |
| Clutch Type | A - 5" & 6" Import |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 6.65 |
| Distance From Clutch To Mounting Flange | 2.29 |
| Electronic Clutch? | Non Electronic |
| Fan Bolt Circle IN | 5.35 |
| Fan Bolt Circle MM | 135.9 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 2.73 |
| Mount Dia. MM | 69 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | Flange |
| New or Reman | New |
| Overall Dia. MM | 168.9 |
| Overall Height IN | 2.86 |
| Overall Height MM | 72.6 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.2 |
| Pilot Depth MM | 5.1 |
| Pilot Dia. IN | .59 |
| Rotation | STD |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
| Product line | Fan Clutch |
| Fits | Volvo · 8 vehicles |
OE-grade replacement. Meets or exceeds OEM requirements for dependable cooling performance.
Thermal design. Responds to temperature changes for efficient fan control.
Aluminum construction. Lightweight material with a raw aluminum finish.
Cross-references AMS Automotive 4839, Anchor 2659 and Atlantic Automotive Engineering 5588 for the same application. See all 32.
Hayden 2659 Fan Clutch for Volvo Cooling Systems
Hayden 2659 is a standard-duty thermal engine cooling fan clutch built for import applications that need controlled fan engagement and consistent cooling performance. It is a new, non-electronic aluminum fan clutch with a flange mount and 4-bolt pattern, made to meet or exceed OEM requirements.
- Thermal, standard-duty fan clutch for engine cooling control
- Aluminum construction with raw aluminum finish
- Non-electronic design for traditional mechanical cooling systems
- Flange mounting with 4 bolt holes and M6 x 1.0 hole thread
- Fan bolt circle: 5.35 in. / 135.9 mm
- Clutch maximum diameter: 6.65 in. with 2.86 in. overall height
- Meets or exceeds OEM specifications
- Performance rated and new construction
Product Line Details
Hayden Fan Clutch products are built for direct replacement use in mechanical cooling systems. Part number 2659 follows the Hayden Fan Clutch line’s focus on thermal operation, standard-duty service, and OE-style fitment for import vehicles that use a flange-mounted clutch assembly.
Detailed Description
This Hayden 2659 fan clutch is engineered for 1987-1990 Volvo 760 and 1987-1990 Volvo 780 applications with thermal engine cooling fan clutch requirements. The standard rotation, 2.29 in. distance from clutch to mounting flange, 2.73 in. mount diameter, and 0.59 in. pilot diameter support proper alignment in the cooling fan assembly. For Volvo 760 and Volvo 780 owners searching for a thermal fan clutch replacement, Hayden 2659 provides the mechanical control needed to regulate fan engagement based on temperature.
This part cross-references Four Seasons 36997 and Gates 22031 for the same application.
Common Problems This Part Can Help Address
- Engine overheating caused by a worn or weak fan clutch
- Fan noise from a clutch that no longer engages correctly
- Reduced cooling performance at idle or low vehicle speed
- Inconsistent fan operation in thermal cooling systems
- Fitment issues from a damaged or incorrect replacement clutch
Installation Notes and Tips
Verify the fan bolt circle, mounting flange style, and pilot dimensions before installation. Confirm standard rotation and thermal clutch application on the vehicle before removing the original unit. Inspect the fan blades, mounting surface, and surrounding cooling components for wear or damage during replacement. Mounting hardware is not included.
Quality Assurance
Hayden 2659 is a new, performance-rated fan clutch that meets or exceeds OEM specifications for the listed Volvo applications. It is built as a standard-duty thermal replacement for mechanical cooling systems.
Compatible Vehicles
- Fits 1987-1990 Volvo 760, N/A
- Fits 1987-1990 Volvo 780, N/A
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Volvo | 760 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1990 | Volvo | 780 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1989 | Volvo | 760 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1989 | Volvo | 780 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1988 | Volvo | 760 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1988 | Volvo | 780 | — | — | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1987 | Volvo | 760 | 2.8L | V6 | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
| 1987 | Volvo | 780 | — | — | N/A | Thermal engine cooling fan clutch with standard duty and rotation.; Fan Clutch |
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