OE Quality
60-Day Returns

Hayden 2684 Engine Cooling Fan Clutch
Reliable Engine Cooling for Lexus and Toyota Vehicles
The Hayden Fan Clutch 2684 is designed to provide consistent engine cooling performance for select Lexus and Toyota models. Engineered with durable aluminum and a flange mounting type, this standard duty fan clutch ensures proper fan engagement to maintain optimal engine temperature.
- Constructed from lightweight, corrosion-resistant aluminum
- Standard duty clutch type suitable for 5" and 6" import fans
- Flange mounting with 4 bolt holes and M6 x 1.0 stud bolts
- Maximum clutch diameter of 6.61 inches and overall height of 3.77 inches
- Non-electronic, reverse rotation design
- Meets or exceeds OEM specifications for reliable fit and function
- Compatible with Lexus 4Runner, GX470, Land Cruiser, LX470, and Toyota Sequoia, Tundra models
About the Hayden Fan Clutch Product Line
The Hayden Fan Clutch line focuses on engine cooling components designed to meet OEM standards for performance and durability. This product line includes standard duty fan clutches engineered for import vehicles, providing reliable temperature regulation through precise fan engagement. The 2684 model exemplifies this approach with its aluminum construction and flange mounting, ensuring compatibility and longevity in demanding automotive environments.
Product Details and Specifications
The Hayden Fan Clutch 2684 features a raw aluminum finish and a flange mounting type with four bolt holes, each accommodating M6 x 1.0 stud bolts. It has a clutch maximum diameter of 6.61 inches and an overall height of 3.77 inches, with a distance of 3.09 inches from the clutch to the mounting flange. Designed for reverse rotation, this non-electronic clutch is classified as standard duty and fits fan bolt circles measuring 5.35 inches (135.9 mm). The mounting diameter is 3.62 inches (92 mm), and the pilot depth is 0.92 inches (23.4 mm), ensuring precise installation and secure fitment.
Common Applications and Problem Solving
- Prevents engine overheating by regulating fan speed
- Reduces unnecessary fan drag for improved fuel efficiency
- Eliminates fan clutch slippage and inconsistent cooling
- Replaces worn or damaged fan clutches in Lexus and Toyota models
- Maintains proper engine temperature under varying load conditions
Installation Notes and Tips
Installation requires removal of the existing fan clutch and proper alignment of the flange mounting holes. Note that mounting hardware is not included and must be sourced separately. Ensure the M6 x 1.0 stud bolts are torqued to manufacturer specifications. Verify the clutch rotation direction matches the engine requirements (reverse rotation). It is recommended to inspect the fan blades and surrounding components during installation for any signs of wear or damage.
Quality Assurance and Warranty
The Hayden Fan Clutch 2684 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. Manufactured with precision aluminum materials, it is designed for durability and consistent operation. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure reliability in engine cooling applications.
| Brand | Hayden |
| Part Number | 2684 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | M6 x 1.0 STUD |
| Clutch Maximum Diameter | 6.61 |
| Clutch Type | A - 5" & 6" Import |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 6.61 |
| Distance From Clutch To Mounting Flange | 3.09 |
| 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 | 3.62 |
| Mount Dia. MM | 92 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | Flange |
| New or Reman | New |
| Overall Dia. MM | 167.9 |
| Overall Height IN | 3.77 |
| Overall Height MM | 95.8 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.92 |
| Pilot Depth MM | 23.4 |
| Pilot Dia. IN | .63 |
| Rotation | REV |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | GX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2009 | Toyota | 4Runner | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2009 | Toyota | Sequoia | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2009 | Toyota | Tundra | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2008 | Lexus | GX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2008 | Toyota | 4Runner | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2008 | Toyota | Sequoia | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2008 | Toyota | Tundra | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2007 | Lexus | GX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2007 | Lexus | LX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2007 | Toyota | 4Runner | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2007 | Toyota | Land Cruiser | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2007 | Toyota | Sequoia | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2007 | Toyota | Tundra | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2006 | Lexus | GX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2006 | Lexus | LX470 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2006 | Toyota | 4Runner | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2006 | Toyota | Land Cruiser | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2006 | Toyota | Sequoia | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch | ||
| 2006 | Toyota | Tundra | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2005 | Lexus | GX470 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; From 11/04; Fan Clutch | ||
| 2005 | Lexus | LX470 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; From 5/05; Fan Clutch | ||
| 2005 | Toyota | 4Runner | 4.7L | V8 | N/A | Standard duty reverse rotation thermal fan clutch.; Fan Clutch |
| 2005 | Toyota | Land Cruiser | N/A | Standard Rotation; Standard Duty Thermal Fan Clutch; From 5/05; Fan Clutch | ||
| 2005 | Toyota | Sequoia | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; From 8/05; Fan Clutch | ||
| 2005 | Toyota | Tundra | 4.7L | V8 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; From 8/05; Fan Clutch |
| 2004 | Toyota | 4Runner | 4.7L | V8 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; From 11/04; Fan Clutch |
* 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.