OE Quality
60-Day Returns

Four Seasons 46149 Engine Cooling Fan Clutch
Reliable Engine Cooling Fan Clutch for Ford Super Duty Trucks
The Four Seasons Fan Clutch 46149 is engineered to provide precise cooling performance for Ford F-250 Super Duty and F-350 Super Duty models. Designed with an electro-viscous grade type and electronic thermal control, this fan clutch ensures optimal engine temperature regulation under severe duty conditions.
- Electro-viscous grade type for responsive fan engagement
- Electronic thermal control for accurate temperature management
- Severe duty style suitable for heavy-duty applications
- Overall diameter of 9.39 inches (238.5 mm) for proper fitment
- Four mounting holes with M6x1.000 bolt thread specification
- Compact overall height of 4.43 inches (112.5 mm)
- Compatible with Ford F-250 Super Duty and F-350 Super Duty models
Four Seasons Fan Clutch Product Line Overview
The Four Seasons Fan Clutch line focuses on delivering reliable engine cooling components designed for durability and precise operation. The 46149 model incorporates electro-viscous technology, which allows the clutch to adjust fan speed based on engine temperature electronically. This approach improves cooling efficiency and reduces unnecessary fan drag, contributing to better fuel economy and engine performance in demanding conditions.
Technical Details and Specifications
This engine cooling fan clutch features a 9.39-inch maximum diameter and a bolt circle diameter of 8.66 inches, ensuring compatibility with specified Ford Super Duty models. The clutch includes four bolt holes with M6x1.000 thread size for secure mounting. Its electronic thermal control system replaces traditional centrifugal mechanisms, providing more precise fan engagement based on real-time temperature data. The severe duty style construction is designed to withstand the rigors of heavy towing and hauling.
Applications and Problem Solving
- Prevents engine overheating during heavy load or high ambient temperatures
- Reduces fan noise and wear by engaging only when necessary
- Improves fuel efficiency by minimizing fan drag
- Maintains optimal engine temperature for consistent performance
- Replaces worn or failing fan clutches in Ford F-250 and F-350 Super Duty trucks
Installation Notes and Tips
Ensure the fan clutch is compatible with your Ford F-250 Super Duty or F-350 Super Duty before installation. Verify that the mounting holes and bolt threads match the vehicle specifications. Proper torque should be applied to the M6x1.000 bolts to secure the clutch firmly. It is recommended to inspect the cooling fan and surrounding components for wear or damage during replacement.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 46149 is manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided, Four Seasons products typically undergo rigorous testing to ensure reliability in severe duty applications. Consult the product documentation or manufacturer for warranty information.
| Brand | Four Seasons |
| Part Number | 46149 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Grade Type | Electro-viscous |
| Mounting Hole Quantity | 4 |
| Thermal Or Centrifugal | Electronic |
| Clutch Maximum Diameter | 9.39 |
| Bolt Thread | M6x1.000 |
| Description | Fan clutches |
| Fan Bolt Circle IN | 8.66 |
| Overall Dia. IN | 9.39 |
| Overall Dia. MM | 238.5 |
| Overall Height IN | 4.43 |
| Overall Height MM | 112.5 |
| Style | Severe duty |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2022 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | w/o Dual Rear Wheels; Fan Clutch |
| 2021 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2021 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | w/o Dual Rear Wheels; Fan Clutch |
| 2020 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | w/o Dual Rear Wheels; Fan Clutch |
| 2020 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | w/o Dual Rear Wheels; 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.