HomeBelts and Cooling > Cooling Fan, Clutch and MotorFour Seasons 36780 Engine Cooling Fan Clutch
Part #: 36780

Four Seasons 36780 Engine Cooling Fan Clutch

Fan Clutch
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$49.29Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Fan Clutch
🚗Fitment: Chevrolet, Corvette
🔄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 36780 for Chevrolet Corvette

The Four Seasons Fan Clutch 36780 is designed to provide reliable engine cooling performance for Chevrolet Corvette models. Constructed from durable aluminum, this engine cooling fan clutch ensures efficient operation and meets or exceeds OEM specifications for consistent fit and function.

  • Material: Aluminum construction for durability
  • Compatible with Chevrolet Corvette vehicles
  • Non-electronic, standard rotation design
  • Mounting type: Flange with 4 bolt holes (5/16-18 thread)
  • Clutch maximum diameter: 7.2 inches
  • Overall height: 3.19 inches (81 mm)
  • Performance rated and new, not remanufactured
  • Meets or exceeds OEM standards

Detailed Product Description

The Four Seasons Fan Clutch 36780 belongs to the Fan Clutch product line, which focuses on delivering reliable engine cooling components designed to maintain optimal engine temperature. This particular fan clutch features a flange mounting type with four bolt holes, each threaded 5/16-18, ensuring secure attachment to the engine assembly. The clutch has a maximum diameter of 7.2 inches and an overall height of 3.19 inches, with a mounting diameter of 2.59 inches (66 mm). It operates with a standard rotation and is a non-electronic clutch type, suitable for standard use in Chevrolet Corvette models.

Manufactured from raw aluminum, the fan clutch offers a balance of lightweight design and strength. The product is new and performance rated, providing dependable cooling fan engagement to help regulate engine temperature effectively. The clutch’s design includes a pilot depth of 0.63 inches and a pilot diameter of 0.75 inches, contributing to precise fitment and operation.

Common Applications and Problem Solving

  • Replaces worn or failing fan clutches in Chevrolet Corvette engines
  • Addresses overheating issues caused by improper fan engagement
  • Eliminates excessive fan noise due to slipping or stuck clutches
  • Improves engine cooling efficiency for better performance
  • Restores proper fan operation after mechanical damage or wear

Installation Notes and Tips

Installation requires removal of the existing fan clutch and proper alignment of the flange mounting holes. Ensure the mounting surface is clean and free of debris before installation. Use the correct 5/16-18 bolts (not included) to secure the clutch firmly. Verify the clutch rotation direction matches the engine’s standard rotation. It is recommended to inspect the fan blades and surrounding components during installation to ensure overall system integrity.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36780 is a new, performance-rated part that meets or exceeds OEM specifications for Chevrolet Corvette vehicles. Manufactured with quality aluminum materials and precision engineering, this fan clutch is designed for durability and reliable operation. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and reliability.

BrandFour Seasons
Part Number36780
PositionFan Clutch
Bolt Hole Quantity4
Bolt Thread5/16-18 Hole
Clutch Maximum Diameter7.2
Clutch TypeB - Non-Thermal & Std Thermal
ColorRaw Aluminum in Color
DescriptionFan Clutches
Dia. IN7.2
Distance From Clutch To Mounting Flange1.62
Distance From Clutch To Mounting Flange1.63
Electronic Clutch?Non Electronic
Fan Bolt Circle IN3.25
Fan Bolt Circle MM82.6
MaterialAluminum
Meets / Exceeds OEM?Yes
Mount Dia. IN2.59
Mount Dia. MM66
Mounting Hardware?Not Included
Mounting Hole Quantity4
Mounting TypeFlange
New or RemanNew
Overall Dia. MM182.9
Overall Height IN3.19
Overall Height MM81
Performance Rated?Yes
Pilot Depth IN0.63
Pilot Depth MM16
Pilot Dia. IN0.75
RotationSTD
StyleStandard Duty
TypeThermal
Use TypeStandard

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1974ChevroletCorvette7.4LV8N/AStandard duty thermal fan clutch without AC, standard rotation.; Fan Clutch
1973ChevroletCorvette7.4LV8N/AStandard duty thermal fan clutch without AC, standard rotation.; Fan Clutch
1972ChevroletCorvette7.4LV8N/AStandard duty thermal fan clutch without AC, standard rotation.; Fan Clutch
1971ChevroletCorvette5.7LV8N/AStandard rotation thermal engine cooling fan clutch compatible.; Fan Clutch
1971ChevroletCorvette7.4LV8N/AStandard duty thermal fan clutch without AC, standard rotation.; Fan Clutch
1970ChevroletCorvette5.7LV8N/AStandard rotation thermal engine cooling fan clutch compatible.; Fan Clutch
1970ChevroletCorvette7.4LV8N/AStandard duty thermal fan clutch without AC, standard rotation.; Fan Clutch
1969ChevroletCorvette5.7LV8N/AStandard rotation thermal engine cooling fan clutch compatible.; 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:

11136780154946215065220502713271356367809227139302190A71356CWK922713FFC5713T

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