OE Quality
60-Day Returns

Four Seasons 46124 Engine Cooling Fan Clutch
Reliable Engine Cooling Fan Clutch for Chevrolet and GMC Trucks
The Four Seasons Fan Clutch 46124 is designed to provide efficient engine cooling for heavy-duty trucks. Engineered with durable aluminum and electro-viscous technology, this fan clutch is compatible with Chevrolet Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models.
- Constructed from high-quality aluminum for durability
- Electro-viscous type for precise temperature control
- Raw aluminum color with a 9.39-inch clutch diameter
- Four bolt holes and mounting holes with M6 x 1.0 stud thread
- Designed for severe duty and truck fan drive applications
- Compatible with Chevrolet and GMC heavy-duty trucks
- New, performance-rated part that meets or exceeds OEM standards
Four Seasons Fan Clutch Product Line Overview
The Four Seasons Fan Clutch line focuses on providing reliable and efficient cooling solutions for a variety of vehicles. This product line features electro-viscous fan clutches designed to regulate engine temperature by controlling fan engagement based on thermal demand. The 46124 model fits within this line as a severe duty clutch, suitable for heavy-duty truck applications requiring robust performance and durability.
Product Details and Specifications
The Four Seasons Fan Clutch 46124 is made from aluminum, offering strength and resistance to corrosion. It features an electro-viscous clutch type that adjusts fan speed electronically to optimize engine cooling. The clutch has a maximum diameter of 9.39 inches and a bolt circle diameter of 8.66 inches, with four mounting holes and bolts using M6 x 1.0 stud threads. The mounting type is hex, and the clutch rotates in reverse. The overall height measures 5.33 inches (135.38 mm), with a distance of 3.8 inches from the clutch to the mounting flange. This part is new, performance-rated, and meets or exceeds OEM specifications, ensuring compatibility and reliability for Chevrolet Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD trucks.
Common Applications and Problem Solving
- Prevents engine overheating by regulating fan engagement
- Reduces unnecessary fan drag to improve fuel efficiency
- Eliminates fan clutch slippage and overheating issues
- Restores proper cooling system function in heavy-duty trucks
- Addresses noisy or failing fan clutch symptoms
Installation Notes and Tips
Installation requires removal of the existing fan clutch and mounting hardware, which is not included with this part. Ensure the mounting surface is clean and free of debris before installation. Use the correct torque specifications for the M6 x 1.0 stud bolts to secure the clutch. Verify the clutch rotation direction matches the engine requirements (reverse rotation). It is recommended to inspect the fan blades and radiator condition during installation to ensure optimal cooling system performance.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 46124 is a new, performance-rated component that meets or exceeds OEM standards for durability and function. Manufactured with precision and tested for severe duty applications, this fan clutch is designed to maintain reliable engine cooling under demanding conditions. Warranty details should be confirmed with the product provider or manufacturer.
| Brand | Four Seasons |
| Part Number | 46124 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | M6 x 1.0 STUD |
| Clutch Maximum Diameter | 9.39 |
| Clutch Type | D - Severe Duty & Truck Fan Drive |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 9.39 |
| Distance From Clutch To Mounting Flange | 3.8 |
| Fan Bolt Circle IN | 8.66 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 2.09 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | HEX |
| New or Reman | New |
| Overall Dia. MM | 238.5 |
| Overall Height IN | 5.33 |
| Overall Height MM | 135.38 |
| Performance Rated? | Yes |
| Pilot Depth IN | 1.83 |
| Rotation | REV |
| Style | Severe Duty |
| Terminal Type | Male |
| Type | Electronic |
| Use Type | Electro-Viscous |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2015 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2015 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2015 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | Reverse Rotation; Electronic Fan Clutch; Fan Clutch |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | New Part; Fan Clutch |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | New Part; 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.