HomeBelts and Cooling > Cooling Fan, Clutch and MotorFour Seasons 36785 Engine Cooling Fan Clutch
Part #: 36785

Four Seasons 36785 Engine Cooling Fan Clutch

Fan Clutch
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Fan Clutch
🚗Fitment: Dodge, Ram 2500 and Ram 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandFour Seasons
Part Number36785
PositionFan Clutch
Bolt Hole Quantity4
Bolt Thread5/16-18 Hole
Clutch Maximum Diameter7.4
Clutch TypeD - Severe Duty & Truck Fan Drive
ColorRaw Aluminum in Color
DescriptionFan Clutches
Dia. IN7.4
Distance From Clutch To Mounting Flange1.2
Distance From Clutch To Mounting Flange1.21
Electronic Clutch?Non Electronic
Fan Bolt Circle IN3.25
Fan Bolt Circle MM82.6
MaterialAluminum
Meets / Exceeds OEM?Yes
Mount Dia. IN1.44
Mount Dia. MM36
Mounting Hardware?Not Included
Mounting Hole Quantity4
Mounting TypeHEX
New or RemanNew
Overall Dia. MM188
Overall Height IN3.72
Overall Height MM94.5
Performance Rated?Yes
Pilot Depth IN0.7
Pilot Depth MM17.8
Pilot Dia. IN1.18
Pilot Dia. MM30
RotationSTD
StyleHeavy Duty
TypeThermal
Use TypeHeavy

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25005.9LL6N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2002DodgeRam 35005.9LL6N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2001DodgeRam 25005.9LL6N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2001DodgeRam 35005.9LL6N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2000DodgeRam 25005.9LL6N/AStandard Rotation; Heavy Duty Thermal Fan Clutch; Fan Clutch
2000DodgeRam 35005.9LL6N/AStandard 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:

111367851540301191896382160162261627136128423678552028894AA9202100922842A71361CWK922842FFC5842TKG2842

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.