OE Quality
60-Day Returns

Four Seasons 36970 Engine Cooling Fan Clutch
Reliable Engine Cooling Fan Clutch for Chevrolet Corvette
The Four Seasons Fan Clutch 36970 is designed to provide dependable engine cooling performance for Chevrolet Corvette models. Crafted from durable aluminum, this engine cooling fan clutch ensures efficient heat management under standard operating conditions.
- Constructed from lightweight, corrosion-resistant aluminum
- Standard duty, non-electronic fan clutch with 4 bolt holes for secure mounting
- Compatible with Chevrolet Corvette vehicles requiring a 7.2-inch clutch diameter
- Flange mounting type with 5/16-18 bolt thread size
- Meets or exceeds OEM specifications for reliable fit and function
Four Seasons Fan Clutch Product Line Overview
The Four Seasons Fan Clutch line focuses on providing standard and thermal fan clutches engineered for consistent engine cooling performance. This product line includes both non-thermal and standard thermal clutch types, designed to maintain optimal engine temperatures by regulating fan engagement based on operating conditions. The 36970 model is a non-electronic, standard duty clutch suitable for Chevrolet Corvette applications.
Detailed Product Description and Specifications
This Four Seasons Fan Clutch 36970 features a 7.2-inch maximum clutch diameter and a 1.8-inch distance from the clutch to the mounting flange, ensuring proper clearance and fitment. The clutch rotates in the standard direction and mounts via a flange with four bolt holes, each threaded 5/16-18. The overall height measures 3.31 inches (84.3 mm), and the mounting diameter is 2.56 inches (65 mm). The fan bolt circle diameter is 3.25 inches (82.6 mm), accommodating compatible fan blades. This new, performance-rated clutch is non-electronic and designed for standard use, making it suitable for maintaining engine cooling efficiency in Chevrolet Corvette vehicles.
Common Applications and Problem Solving
- Replaces worn or failing fan clutches causing engine overheating
- Addresses excessive fan noise due to clutch slippage or failure
- Improves engine temperature regulation for consistent performance
- Eliminates fan clutch engagement issues affecting fuel efficiency
- Restores proper fan operation to prevent premature engine wear
Installation Notes and Tips
Installation requires removal of the existing fan clutch and proper alignment of the flange mounting holes. Note that mounting hardware is not included and must be sourced separately. Ensure bolts are tightened to manufacturer torque specifications to avoid damage. Verify clutch rotation direction matches vehicle requirements. It is recommended to inspect the fan blades and radiator condition during installation for optimal cooling system performance.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 36970 meets or exceeds OEM standards for fit, form, and function. This new, performance-rated clutch is manufactured from high-quality aluminum to resist corrosion and wear. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 36970 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | 5/16-18 Hole |
| Clutch Maximum Diameter | 7.2 |
| Clutch Type | B - Non-Thermal & Std Thermal |
| Color | Raw Aluminum in Color |
| Description | Fan Clutches |
| Dia. IN | 7.2 |
| Distance From Clutch To Mounting Flange | 1.8 |
| 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 | 2.56 |
| Mount Dia. MM | 65 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | Flange |
| New or Reman | New |
| Overall Dia. MM | 182.9 |
| Overall Height IN | 3.31 |
| Overall Height MM | 84.3 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.63 |
| Pilot Depth MM | 16 |
| Pilot Dia. IN | 0.75 |
| Rotation | STD |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1982 | Chevrolet | Corvette | N/A | Standard duty thermal fan clutch with standard rotation.; Fan Clutch | ||
| 1981 | Chevrolet | Corvette | N/A | Standard duty thermal fan clutch with standard rotation.; Fan Clutch | ||
| 1980 | Chevrolet | Corvette | 5.7L | V8 | N/A | Standard duty thermal fan clutch with standard rotation.; Fan Clutch |
| 1980 | Chevrolet | Corvette | 5.0L | V8 | N/A | Standard 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.