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Four Seasons 46155 Engine Cooling Fan Clutch
Electronic Severe Duty Fan Clutch
The Four Seasons 46155 is an electronic engine cooling fan clutch built for severe duty service. It is engineered with an aluminum housing and meets or exceeds OEM requirements for Ram 2500 and Ram 3500 cooling system applications.
Four Seasons Fan Clutch products draw on more than 50 years of mobile A/C experience and are tested for dependable operation in demanding vehicle use. This part number 46155 is a direct-fit style replacement for select 2019-2025 Ram heavy-duty trucks with electronic fan clutch systems.
Key Features
- Electronic engine cooling fan clutch for controlled fan engagement
- Severe duty style for demanding cooling system operation
- Aluminum construction with raw aluminum finish
- Reverse rotation design
- 6-bolt / 6-mount-hole configuration
- Male terminal type with M6 x 1.0 stud thread
- Meets or exceeds OEM specifications
- Four Seasons 46155 fan clutch for Ram cooling system repair
Detailed Description
The Four Seasons 46155 fan clutch is designed for vehicles that use an electronic clutch to regulate engine cooling fan speed. With a 9.05-inch overall diameter, 4.7-inch overall height, and 1.86-inch mount diameter, it is built to match the required fit and function for select Ram 2500 and Ram 3500 applications. The severe duty design supports consistent cooling performance in heavy-duty truck service, while the aluminum construction helps provide durable operation.
This part cross-references Anchor 3400 for the same application. Use Four Seasons 46155 when replacing a worn or failing electronic fan clutch on compatible Ram heavy-duty trucks.
Vehicle Fitment
- Fits 2019-2025 Ram 2500, N/A, Electronic Fan Clutch; Fan Clutch
- Fits 2019-2025 Ram 3500, N/A, Electronic Fan Clutch; Fan Clutch
Common Repair Symptoms
- Engine cooling fan stays engaged longer than normal
- Cooling fan does not engage correctly under load
- Higher-than-normal engine temperatures during towing or idle
- Excessive fan noise from a failing clutch assembly
- Cooling system performance issues on Ram 2500 and Ram 3500 trucks
Installation Notes
Verify reverse rotation, connector style, bolt pattern, and mounting dimensions before installation. Inspect the fan, shroud, and surrounding cooling components for wear or damage during replacement. Confirm the vehicle uses an electronic fan clutch setup and match the application to the exact Ram 2500 or Ram 3500 model year.
Quality Assurance
Four Seasons states that its products are engineered and tested for years of trouble-free operation. This fan clutch is a new part that meets or exceeds OEM requirements.
| Brand | Four Seasons |
|---|---|
| Part Number | 46155 |
| Position | Fan Clutch |
| Material | Aluminum |
| Color | Raw aluminum in color |
| Bolt Hole Quantity | 6 |
| Terminal Type | Male |
| Grade Type | Severe duty |
| Mounting Hole Quantity | 6 |
| Thermal Or Centrifugal | Electronic |
| Clutch Maximum Diameter | 9.05 |
| Rotation | Rev |
| Mounting Type | Hex |
| Bolt Thread | M6 x 1.0 stud |
| Description | Fan clutches |
| Electronic Clutch? | Electronic |
| Fan Bolt Circle IN | 8.42 |
| Fan Bolt Circle MM | 213.87 |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 1.86 |
| Mount Dia. MM | 47 |
| Mounting Hardware Included | No |
| New or Reman | New |
| Overall Dia. IN | 9.05 |
| Overall Dia. MM | 229.87 |
| Overall Height IN | 4.7 |
| Overall Height MM | 119.38 |
| Pilot Depth IN | 1.03 |
| Pilot Depth MM | 26.16 |
| Style | Severe duty |
| Type | Electronic |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2025 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2024 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2024 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2023 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2023 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2022 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2022 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2021 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2021 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2020 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2020 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2019 | Ram | 2500 | 6.7L | L6 | N/A | Electronic Fan Clutch; Fan Clutch |
| 2019 | Ram | 3500 | 6.7L | L6 | N/A | Electronic Fan Clutch; 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.