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Hayden 2740 Engine Cooling Fan Clutch
| Brand | Hayden 2740 |
|---|---|
| Bolt Hole Quantity | 4 |
| Bolt Thread | 5/16-18 Hole |
| Clutch Maximum Diameter | 7.2 |
| Clutch Type | C - Heavy Duty |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 7.2 |
| Distance From Clutch To Mounting Flange | 2.7 |
| 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 | 36 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | HEX |
| New or Reman | New |
| Overall Dia. MM | 182.9 |
| Overall Height IN | 4.42 |
| Overall Height MM | 112.3 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.7 |
| Pilot Depth MM | 17.8 |
| Pilot Dia. IN | 1.18 |
| Pilot Dia. MM | 30 |
| Rotation | REV |
| Style | Heavy Duty |
| Type | Thermal |
| Use Type | Heavy |
| Product line | Fan Clutch |
| Fits | Dodge · 13 vehicles |
Heavy-duty thermal clutch. Responds to temperature changes for more consistent fan control.
Aluminum construction. Lightweight material helps resist corrosion in demanding cooling systems.
OE-spec replacement. Meets or exceeds OEM requirements for dependable fit and function.
Cross-references Dorman - HELP 46013, Gates 2740 and Gates 22168 for the same application. See all 30.
Heavy Duty Thermal Fan Clutch
The Hayden 2740 is a heavy-duty thermal engine cooling fan clutch built for reverse rotation applications. It is a non-electronic, performance-rated aluminum unit that meets or exceeds OEM requirements for the specified Dodge Ram 1500 fitments.
Compatible with 2002-2008 Dodge Ram 1500 applications listed below, this Hayden Fan Clutch line part is built for thermal control of fan engagement in demanding cooling systems. The Hayden 2740 is a direct-fit style replacement for reverse rotation setups and is commonly searched as a Dodge Ram 1500 heavy duty thermal fan clutch replacement.
Key Features
- Brand: Hayden Fan Clutch
- Part number: 2740
- Heavy-duty thermal clutch design
- Reverse rotation (REV) application
- Non-electronic construction
- Aluminum housing with raw aluminum finish
- Performance rated and meets or exceeds OEM specifications
- Mounting type: HEX
- Fan bolt circle: 3.25 in. (82.6 mm)
- Mount diameter: 1.44 in. (36 mm)
Product Details
This Hayden 2740 fan clutch uses a thermal operating design to regulate fan engagement based on temperature demand. It is a heavy-duty C-type clutch with a 7.2 in. maximum diameter, 4-bolt mounting pattern, and 5/16-18 bolt holes. The unit is new, non-electronic, and built in aluminum for a durable cooling-system replacement. This part cross-references Dorman HELP 46013 and Gates 2740 for the same application.
Common Cooling Issues It Can Address
- Weak fan engagement at operating temperature
- Cooling fan noise caused by a worn clutch
- Engine temperature rise during towing or heavy load use
- Reduced airflow through the radiator at low vehicle speed
- Cooling performance loss from a failing thermal clutch
Installation Notes
Verify reverse rotation, mounting diameter, pilot dimensions, and fan bolt circle before installation. This Hayden 2740 uses a hex mounting type and does not include mounting hardware. Confirm the vehicle’s cooling package and fan clutch style against the listed fitment before ordering. Fits 2002-2005 Dodge Ram 1500, N/A. Fits 2005-2008 Dodge Ram 1500, N/A. Fits 2006 Dodge Ram 1500, N/A.
Quality Assurance
Hayden fan clutches are built for OE-style replacement use in cooling system service. This part is listed as performance rated and marked as meeting or exceeding OEM requirements for the applications shown.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Dodge | Ram 1500 | Automatic | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2008 | Dodge | Ram 1500 | Manual | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2007 | Dodge | Ram 1500 | Automatic | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2007 | Dodge | Ram 1500 | Manual | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2006 | Dodge | Ram 1500 | Automatic | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2006 | Dodge | Ram 1500 | Manual | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2006 | Dodge | Ram 1500 | Automatic | 3.7L | V6 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; Heavy Duty; Fan Clutch |
| 2005 | Dodge | Ram 1500 | Automatic | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2005 | Dodge | Ram 1500 | Manual | 5.7L | V8 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; w/o Heavy Duty Cooling; Fan Clutch |
| 2005 | Dodge | Ram 1500 | Automatic | 3.7L | V6 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2004 | Dodge | Ram 1500 | Automatic | 3.7L | V6 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2003 | Dodge | Ram 1500 | Automatic | 3.7L | V6 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2002 | Dodge | Ram 1500 | Automatic | 3.7L | V6 | N/A | Reverse Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
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