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Four Seasons 46038 Engine Cooling Fan Clutch
Reliable Engine Cooling with Four Seasons Fan Clutch 46038
The Four Seasons Fan Clutch 46038 is engineered for severe duty applications, providing dependable engine cooling performance. Designed with durable aluminum construction and a standard rotation, this fan clutch supports efficient temperature regulation in demanding conditions.
- Constructed from raw aluminum for strength and heat resistance
- Severe duty D-type clutch suitable for truck fan drives
- Six bolt holes and mounting holes for secure installation
- Non-electronic design for straightforward operation
- Meets or exceeds OEM specifications for reliable fit and function
- Overall diameter of 7.4 inches (188 mm) with a mounting diameter of 1.88 inches (48 mm)
- Hex mounting type with 5/16-18 bolt thread size
- Performance rated for consistent engine cooling under heavy loads
About the Four Seasons Fan Clutch Product Line
The Four Seasons Fan Clutch line focuses on engine cooling components designed to meet the demands of severe duty and truck applications. This product line emphasizes durability and OEM compatibility, ensuring that each fan clutch delivers reliable performance in heavy-duty environments. The 46038 model exemplifies these qualities with its robust aluminum construction and precise mounting specifications.
Detailed Product Description
The Four Seasons Fan Clutch 46038 is a non-electronic, severe duty engine cooling fan clutch designed to maintain optimal engine temperatures in trucks and other heavy-duty vehicles. Its aluminum body offers excellent heat dissipation and corrosion resistance, while the six-bolt mounting system ensures a secure fit. The clutch features a standard rotation and a clutch maximum diameter of 7.4 inches, making it compatible with a range of cooling fan assemblies. With a mounting flange distance of approximately 1.2 inches and a hex mounting type, this fan clutch is engineered for straightforward installation and reliable operation.
Common Applications and Issues Addressed
- Prevents engine overheating during heavy load or severe duty conditions
- Reduces fan noise and wear by engaging only when needed
- Improves fuel efficiency by minimizing unnecessary fan drag
- Replaces worn or failing fan clutches to restore proper cooling function
- Supports engine longevity by maintaining consistent operating temperatures
Installation Notes and Tips
Ensure the mounting surface is clean and free of debris before installation. The Four Seasons Fan Clutch 46038 requires six bolts with a 5/16-18 thread size (mounting hardware not included). Verify the clutch rotation matches the vehicle’s fan direction (standard rotation). Proper torque specifications should be followed to avoid damage to the clutch or mounting flange. This fan clutch is compatible with various truck models requiring a 7.4-inch diameter clutch and hex mounting type.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 46038 meets or exceeds OEM standards, providing a performance-rated solution for severe duty cooling needs. Manufactured with precision and tested for durability, this new fan clutch supports reliable engine operation. Warranty details should be confirmed with the product documentation or manufacturer.
| Brand | Four Seasons |
| Part Number | 46038 |
| Material | Aluminum |
| Use Type | Severe |
| Color | Raw aluminum in color |
| Bolt Hole Quantity | 6 |
| Mounting Hole Quantity | 6 |
| Distance From Clutch To Mounting Flange | 1.2 |
| Distance From Clutch To Mounting Flange | 1.21 |
| Clutch Maximum Diameter | 7.4 |
| Rotation | Std |
| Mounting Type | Hex |
| Bolt Quantity | 6 |
| Bolt Thread | 5/16-18 hole |
| Clutch Type | D - severe duty & truck fan drive |
| Description | Fan clutches |
| Dia. IN | 7.4 |
| Electronic Clutch? | Non electronic |
| Fan Bolt Circle IN | 6 |
| Fan Bolt Circle MM | 152.4 |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 1.88 |
| Mount Dia. MM | 48 |
| Mounting Hardware? | Not included |
| New or Reman | New |
| Overall Dia. MM | 188 |
| Overall Height IN | 3.53 |
| Overall Height MM | 89.7 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.67 |
| Pilot Depth MM | 17 |
| Pilot Dia. IN | 1.18 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.