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Hayden 2651 Engine Cooling Fan Clutch
| Brand | Hayden 2651 |
|---|---|
| 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 | 1.94 |
| Electronic Clutch? | Non Electronic |
| Fan Bolt Circle IN | 6.03 |
| Fan Bolt Circle MM | 153.2 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 3 |
| Mount Dia. MM | 76 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | Flange |
| New or Reman | New |
| Overall Dia. MM | 168.9 |
| Overall Height IN | 2.5 |
| Overall Height MM | 63.5 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.45 |
| Pilot Depth MM | 11.4 |
| Pilot Dia. IN | 0.67 |
| Rotation | STD |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
| Product line | Fan Clutch |
| Fits | Mazda · 3 vehicles |
OE-quality replacement. Meets or exceeds OEM requirements for dependable cooling performance.
Thermal clutch. Responds to temperature changes for efficient fan engagement.
Aluminum construction. Lightweight, corrosion-resistant design with a raw aluminum finish.
Cross-references Anchor 2651, Atlantic Automotive Engineering 5588 and Dorman - HELP 77220 for the same application. See all 38.
Hayden 2651 Fan Clutch Overview
The Hayden 2651 is a standard-duty thermal engine cooling fan clutch built for controlled fan engagement in import cooling systems. It is a non-electronic, aluminum, flange-mount unit with a 6.65-inch maximum diameter and standard rotation for direct replacement service.
Compatible with 1989-1991 Mazda MPV applications, this Hayden Fan Clutch line part number 2651 is built to meet or exceed OEM requirements and support consistent engine cooling performance. It is a practical choice for a Mazda MPV fan clutch replacement when the original thermal clutch shows wear or inconsistent engagement.
Key Features
- Thermal, standard-duty fan clutch for engine cooling control
- Aluminum construction with raw aluminum finish
- Non-electronic design for traditional mechanical fan systems
- Flange mounting style with 4 bolt holes and 4 mounting holes
- Standard rotation (STD)
- 6.65-inch overall diameter and 2.5-inch overall height
- Fan bolt circle: 6.03 in. / 153.2 mm
- Meets or exceeds OEM specifications
- Performance rated for replacement use
Product Details
Hayden Fan Clutch part number 2651 is engineered as an A - 5" & 6" import-style thermal clutch for vehicles that use a flange-mounted cooling fan assembly. The 3-inch mount diameter, 0.67-inch pilot diameter, and 0.45-inch pilot depth help define the fitment profile for the cooling fan interface. This part cross-references Monroe Shocks & Struts (e.g., 5580) for the same application.
Fits 1989-1991 Mazda MPV, N/A. For Mazda MPV cooling system service, this fan clutch helps restore proper fan engagement behavior when the original unit no longer responds correctly to temperature changes.
Common Problems It Can Help Address
- Engine cooling fan that stays engaged too long or not long enough
- Excessive fan noise from a worn thermal clutch
- Cooling performance loss during idle or low-speed driving
- Temperature fluctuation caused by inconsistent fan drive
- Replacement need for a damaged or fatigued fan clutch assembly
Installation Notes and Tips
Verify the fan bolt circle, mount diameter, pilot dimensions, and standard rotation before installation. This Hayden 2651 uses a flange mount and M6 x 1.0 hole thread specification, and mounting hardware is not included. Confirm vehicle application by VIN when servicing 1989-1991 Mazda MPV models, especially where notes specify fitment up to VIN No. 350466.
Quality Assurance
Hayden designs this fan clutch to meet or exceed OEM requirements for standard-duty thermal cooling applications. The aluminum construction and OE-style fitment profile support dependable replacement service for the Mazda MPV cooling system.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Mazda | MPV | 3.0L | V6 | N/A | Standard Rotation; Standard Duty Thermal Fan Clutch; To VIN No. 350466; Fan Clutch |
| 1990 | Mazda | MPV | 3.0L | V6 | N/A | Standard Rotation; Standard Duty Thermal Fan Clutch; To VIN No. 350466; Fan Clutch |
| 1989 | Mazda | MPV | 3.0L | V6 | N/A | Standard Rotation; Standard Duty Thermal Fan Clutch; To VIN No. 350466; Fan Clutch |
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