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Four Seasons 36785 Engine Cooling Fan Clutch
Overview of Four Seasons Fan Clutch 36785
The Four Seasons Fan Clutch 36785 is designed for heavy-duty engine cooling applications, specifically compatible with Dodge Ram 2500 and Ram 3500 models. Constructed from durable aluminum, this non-electronic fan clutch ensures reliable performance under demanding conditions.
- Material: Aluminum for strength and heat resistance
- Designed for heavy use in severe duty and truck fan drive applications
- 4 bolt holes and 4 mounting holes with 5/16-18 bolt thread
- Maximum clutch diameter of 7.4 inches (188 mm)
- Standard rotation with hex mounting type
- Non-electronic clutch type D for severe duty
- Meets or exceeds OEM specifications
- New, performance-rated component
Four Seasons Fan Clutch Product Line Details
The Four Seasons Fan Clutch product line focuses on engine cooling fan clutches engineered for heavy-duty and truck applications. This line emphasizes durability and performance, meeting or exceeding OEM standards to maintain optimal engine temperature control. The 36785 model fits within this line as a non-electronic, severe duty clutch designed to handle the demands of Dodge Ram 2500 and Ram 3500 trucks.
Technical Specifications and Features
This engine cooling fan clutch features a 7.4-inch overall diameter and a mounting diameter of 1.44 inches (36 mm). The clutch has a bolt circle diameter of 3.25 inches (82.6 mm) and includes four mounting bolts (not included). The distance from the clutch to the mounting flange is approximately 1.2 inches, with a pilot depth of 0.7 inches and pilot diameter of 1.18 inches. The hex mounting type and standard rotation ensure compatibility with the specified Dodge Ram models.
Applications and Problem Solving
- Replaces worn or failing fan clutches in Dodge Ram 2500 and Ram 3500 trucks
- Helps prevent engine overheating by regulating fan speed
- Reduces unnecessary fan engagement to improve fuel efficiency
- Addresses issues with noisy or slipping fan clutches
- Supports heavy-duty engine cooling needs in severe duty environments
Installation Notes and Tips
Installation requires removal of the existing fan clutch and mounting hardware, which are not included with this part. Ensure the mounting surface is clean and free of debris before installation. Use the correct 5/16-18 bolts to secure the clutch to the fan and engine. Verify proper alignment of the clutch to avoid premature wear. This part is designed for standard rotation and hex mounting, so confirm compatibility with your vehicle’s fan assembly.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 36785 is a new, performance-rated component that meets or exceeds OEM specifications for durability and function. Manufactured from aluminum for corrosion resistance and strength, it is engineered for heavy-duty use. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 36785 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | 5/16-18 Hole |
| Clutch Maximum Diameter | 7.4 |
| Clutch Type | D - Severe Duty & Truck Fan Drive |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 7.4 |
| Distance From Clutch To Mounting Flange | 1.2 |
| Distance From Clutch To Mounting Flange | 1.21 |
| Electronic Clutch? | Non Electronic |
| Fan Bolt Circle IN | 3.25 |
| Fan Bolt Circle MM | 82.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 1.44 |
| Mount Dia. MM | 36 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | HEX |
| New or Reman | New |
| Overall Dia. MM | 188 |
| Overall Height IN | 3.72 |
| Overall Height MM | 94.5 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.7 |
| Pilot Depth MM | 17.8 |
| Pilot Dia. IN | 1.18 |
| Pilot Dia. MM | 30 |
| Rotation | STD |
| Style | Heavy Duty |
| Type | Thermal |
| Use Type | Heavy |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2002 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2001 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2001 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2000 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch |
| 2000 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Standard Rotation; Heavy Duty Thermal 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.