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Four Seasons 36725 Engine Cooling Fan Clutch
Reliable Engine Cooling Fan Clutch for Chevrolet and GMC Vehicles
The Four Seasons Fan Clutch 36725 is designed to provide dependable engine cooling performance for select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with durable aluminum construction, this standard duty fan clutch helps maintain optimal engine temperature under various driving conditions.
- Constructed from lightweight aluminum for durability and heat resistance
- Standard duty, non-electronic fan clutch with a 7.2-inch maximum diameter
- Flange mounting type with 4 bolt holes and M10 x 1.5 threaded bolt holes
- Compatible with Chevrolet Astro, Blazer, S10, GMC Jimmy, Sonoma, and other models
- Meets or exceeds OEM specifications for reliable fit and function
Four Seasons Fan Clutch Product Line Overview
The Four Seasons Fan Clutch line offers a range of engine cooling fan clutches designed to meet the demands of various vehicle applications. This product line focuses on standard and thermal fan clutches that provide consistent cooling performance. The 36725 model is a non-electronic, standard duty clutch suitable for multiple GM and Isuzu vehicles, ensuring proper fan engagement and engine temperature regulation.
Detailed Product Description and Specifications
This Four Seasons Fan Clutch 36725 features a raw aluminum finish and a flange mounting type with four bolt holes, each threaded M10 x 1.5. The clutch has a maximum diameter of 7.2 inches and an overall height of 3.33 inches (84.6 mm). It rotates in a reverse direction and includes a 1.75-inch distance from the clutch to the mounting flange. The clutch type is classified as B, supporting both non-thermal and standard thermal applications. This new, performance-rated fan clutch is designed to replace original equipment parts and maintain engine cooling efficiency.
Common Applications and Problem Solving
- Prevents engine overheating by regulating fan speed based on temperature
- Reduces unnecessary fan drag to improve fuel efficiency
- Eliminates fan clutch slippage or failure symptoms
- Restores proper cooling system function in Chevrolet Blazer and GMC Jimmy models
- Compatible replacement for worn or damaged fan clutches in Chevrolet S10 and Isuzu Hombre vehicles
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make and model before installation
- Mounting hardware is not included; reuse existing bolts or acquire new M10 x 1.5 bolts
- Follow manufacturer torque specifications for flange bolts to avoid damage
- Inspect the cooling fan and radiator for damage during installation
- Verify proper fan rotation direction (reverse rotation) for correct operation
Quality Assurance and Warranty
The Four Seasons Fan Clutch 36725 meets or exceeds OEM standards, ensuring reliable performance and fitment. This new fan clutch is performance rated and constructed from high-quality aluminum for durability. While specific warranty details vary, Four Seasons products typically include a limited warranty against defects in materials and workmanship. Consult product documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 36725 |
| Position | Fan Clutch |
| Bolt Hole Quantity | 4 |
| Bolt Thread | M10 x 1.5 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 | 1.75 |
| 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 | 2.43 |
| Mount Dia. MM | 62 |
| Mounting Hardware? | Not Included |
| Mounting Hole Quantity | 4 |
| Mounting Type | Flange |
| New or Reman | New |
| Overall Dia. MM | 182.9 |
| Overall Height IN | 3.33 |
| Overall Height MM | 84.6 |
| Performance Rated? | Yes |
| Pilot Depth IN | 1.03 |
| Pilot Depth MM | 26.2 |
| Pilot Dia. IN | 0.63 |
| Rotation | REV |
| Style | Standard Duty |
| Type | Thermal |
| Use Type | Standard |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Chevrolet | S10 | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1996 | GMC | Sonoma | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1996 | Isuzu | Hombre | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch | ||
| 1995 | Chevrolet | Blazer | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1995 | Chevrolet | S10 | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1995 | Chevrolet | S10 | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1995 | GMC | Jimmy | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1995 | GMC | Sonoma | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1995 | GMC | Sonoma | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1994 | Chevrolet | Astro | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1994 | Chevrolet | S10 | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1994 | Chevrolet | S10 | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1994 | Chevrolet | S10 Blazer | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1994 | GMC | Jimmy | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1994 | GMC | Safari | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1994 | GMC | Sonoma | 2.2L | L4 | N/A | Reverse Rotation; Standard Duty Thermal Fan Clutch; w/ AC; Fan Clutch |
| 1994 | GMC | Sonoma | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1994 | Oldsmobile | Bravada | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1993 | Chevrolet | Astro | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1993 | GMC | Safari | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1992 | Chevrolet | Astro | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1992 | GMC | Safari | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1991 | Chevrolet | Astro | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1991 | GMC | Safari | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch | ||
| 1990 | Chevrolet | Astro | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1990 | GMC | Safari | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1989 | Chevrolet | Astro | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1989 | GMC | Safari | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1988 | Chevrolet | Astro | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1988 | GMC | Safari | 4.3L | V6 | N/A | Reverse rotation thermal fan clutch for standard duty, without AC; Fan Clutch |
| 1987 | Chevrolet | Astro | 4.3L | V6 | N/A | w/o AC; 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.