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Four Seasons 36773 Engine Cooling Fan Clutch
Overview of Four Seasons Fan Clutch 36773
The Four Seasons Fan Clutch 36773 is designed to provide reliable engine cooling performance for select INFINITI and Nissan vehicles. Engineered with durable aluminum construction, this standard duty fan clutch ensures consistent operation in demanding conditions.
- Constructed from lightweight aluminum for durability
- Standard duty clutch type suitable for 5" and 6" import fans
- Flange mounting type with 4 bolt holes (M6 x 1.0 thread)
- Non-electronic, mechanical operation for reliable cooling
- Compatible with INFINITI FX45, Nissan Pathfinder, Q45, and QX4 models
- Meets or exceeds OEM specifications for fit and function
- New, performance-rated component
Detailed Product Description
The Four Seasons Fan Clutch 36773 is a non-electronic engine cooling fan clutch designed specifically for use with INFINITI FX45 and Nissan Pathfinder, Q45, and QX4 vehicles. Featuring a raw aluminum finish, this clutch has a maximum diameter of 6.65 inches and a fan bolt circle diameter of 5.98 inches (152 mm), making it compatible with standard 5" and 6" import fans. The flange mounting type includes four bolt holes with M6 x 1.0 threads, ensuring secure attachment to the engine assembly. With an overall height of 3.03 inches (77.2 mm) and a distance of 2.35 inches from the clutch to the mounting flange, this fan clutch fits precisely within the cooling system setup. The clutch operates with standard rotation and is designed for standard use, providing consistent engagement and disengagement to regulate engine temperature effectively.
Four Seasons Fan Clutch Product Line
The Four Seasons Fan Clutch product line focuses on delivering reliable engine cooling components that meet or exceed OEM standards. This line includes both electronic and non-electronic fan clutches designed for various vehicle applications. The 36773 model belongs to the standard duty category, offering a balance of durability and performance for import vehicles such as INFINITI and Nissan. Four Seasons ensures that each fan clutch in this line is performance rated and constructed with quality materials like aluminum to withstand the rigors of engine operation.
Common Applications and Problem Solving
- Prevents engine overheating by regulating fan speed
- Reduces unnecessary fan engagement to improve fuel efficiency
- Eliminates fan clutch slippage or failure symptoms
- Restores proper cooling system function in INFINITI FX45 and Nissan Pathfinder, Q45, QX4
- Addresses noisy or inconsistent fan operation
Installation Notes and Tips
Installation of the Four Seasons Fan Clutch 36773 requires removal of the existing fan clutch assembly. Ensure the mounting flange and bolt holes align correctly with the clutch. Note that mounting hardware is not included and must be sourced separately. Use proper torque specifications for the M6 x 1.0 bolts to secure the clutch firmly. Verify the clutch rotation direction matches the engine requirements. It is recommended to inspect the fan blades and surrounding components during installation to ensure optimal cooling system performance.
Quality Assurance and Warranty
This Four Seasons Fan Clutch 36773 is a new, performance-rated part that meets or exceeds OEM specifications for fit, form, and function. Manufactured with high-quality aluminum and tested for durability, it provides dependable engine cooling performance. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their fan clutch products to cover defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 36773 |
| Position | Fan Clutch |
| 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 | 2.35 |
| Electronic Clutch? | Non Electronic |
| Fan Bolt Circle IN | 5.98 |
| Fan Bolt Circle MM | 152 |
| 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 | 3.03 |
| Overall Height MM | 77.2 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.5 |
| Pilot Depth MM | 12.7 |
| Pilot Dia. IN | .82 |
| Rotation | STD |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2007 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2006 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2005 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2004 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2004 | Nissan | Pathfinder | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2003 | INFINITI | FX45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2003 | INFINITI | QX4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2003 | Nissan | Pathfinder | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2002 | INFINITI | QX4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2002 | Nissan | Pathfinder | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2001 | INFINITI | Q45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2001 | INFINITI | QX4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2001 | Nissan | Pathfinder | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 2000 | INFINITI | Q45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1999 | INFINITI | Q45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1998 | INFINITI | Q45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1997 | INFINITI | Q45 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; 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.