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Four Seasons 36903 Engine Cooling Fan Clutch
Reliable Engine Cooling for Mazda B2600 and MPV
The Four Seasons Fan Clutch 36903 is designed to maintain optimal engine temperature in Mazda B2600 and MPV models. Constructed from durable aluminum, this standard duty engine cooling fan clutch ensures consistent performance and helps prevent overheating under various driving conditions.
- Material: Aluminum construction for durability and heat resistance
- Compatible with Mazda B2600 and MPV vehicles
- Standard duty clutch type suitable for 5" and 6" import fans
- Four bolt holes and mounting holes with M6 x 1.0 thread
- Non-electronic, flange mounting type for straightforward installation
- Clutch maximum diameter: 6.65 inches; fan bolt circle diameter: 6.03 inches (153.2 mm)
- Meets or exceeds OEM specifications for reliable fit and function
About the Four Seasons Fan Clutch Product Line
The Four Seasons Fan Clutch line offers a range of engine cooling fan clutches designed to meet or exceed original equipment manufacturer standards. This product line focuses on providing standard duty fan clutches that deliver consistent cooling performance for import vehicles, including Mazda models. The 36903 part number is part of this line, engineered to provide dependable operation with a flange mounting style and a non-electronic design.
Product Details and Specifications
The Four Seasons Fan Clutch 36903 features a raw aluminum color finish and a flange mounting type with four bolt holes, each threaded M6 x 1.0. The clutch has a maximum diameter of 6.65 inches and a fan bolt circle diameter of 6.03 inches (153.2 mm), making it compatible with 5" and 6" import fans. The distance from the clutch to the mounting flange is 2.14 inches, and the overall height is 2.7 inches (68.7 mm). This non-electronic clutch operates with standard rotation and is designed for standard use, providing reliable engine cooling for Mazda B2600 and MPV vehicles.
Common Applications and Problem Solving
- Prevents engine overheating by regulating fan speed
- Reduces unnecessary fan engagement to improve fuel efficiency
- Eliminates fan clutch slippage or failure symptoms
- Restores proper cooling system function in Mazda B2600 and MPV
- Addresses noisy or inconsistent fan operation
Installation Notes and Tips
Installation requires removal of the existing fan clutch and mounting hardware, which is not included with this part. Ensure the mounting flange and bolt holes align correctly with the vehicle’s fan assembly. Use appropriate torque specifications for the M6 x 1.0 bolts to secure the clutch. Verify the clutch rotation direction matches the vehicle’s engine requirements before installation.
Quality Assurance and Warranty
The Four Seasons Fan Clutch 36903 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. Manufactured with aluminum for durability and heat resistance, this clutch is designed to provide reliable engine cooling performance. Warranty details should be confirmed with the product provider or manufacturer.
| Brand | Four Seasons |
| Part Number | 36903 |
| Position | Fan Clutch |
| Material | Aluminum |
| Use Type | Standard |
| Color | Raw aluminum in color |
| Bolt Hole Quantity | 4 |
| Mounting Hole Quantity | 4 |
| Distance From Clutch To Mounting Flange | 2.14 |
| Clutch Maximum Diameter | 6.65 |
| Rotation | Std |
| Mounting Type | Flange |
| Bolt Quantity | 4 |
| Bolt Thread | M6 x 1.0 hole |
| Clutch Type | A - 5" & 6" import |
| Description | Fan clutches |
| Dia. IN | 6.65 |
| Electronic Clutch? | Non electronic |
| Fan Bolt Circle IN | 6.03 |
| Fan Bolt Circle MM | 153.2 |
| Meets / Exceeds OEM? | Yes |
| Mount Dia. IN | 3 |
| Mount Dia. MM | 76 |
| Mounting Hardware? | Not included |
| New or Reman | New |
| Overall Dia. MM | 168.9 |
| Overall Height IN | 2.7 |
| Overall Height MM | 68.7 |
| Performance Rated? | Yes |
| Pilot Depth IN | 0.55 |
| Pilot Depth MM | 14 |
| Pilot Dia. IN | 0.69 |
| Style | Standard duty |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Mazda | MPV | 2.6L | L4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1993 | Mazda | B2600 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch | ||
| 1993 | Mazda | MPV | 2.6L | L4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1992 | Mazda | B2600 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch | ||
| 1992 | Mazda | MPV | 2.6L | L4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1991 | Mazda | B2600 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch | ||
| 1991 | Mazda | MPV | 2.6L | L4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1990 | Mazda | B2600 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch | ||
| 1990 | Mazda | MPV | 2.6L | L4 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch |
| 1989 | Mazda | B2600 | N/A | Standard rotation thermal engine cooling fan clutch compatible.; Fan Clutch | ||
| 1989 | Mazda | MPV | 2.6L | L4 | 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.