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Four Seasons 37304 Engine Cooling Fan Switch
Reliable Engine Cooling Fan Switch for Ford, Kia, Mazda, and Mercury
The Four Seasons Temperature Switch 37304 is engineered to maintain optimal engine temperature by controlling the cooling fan operation. Designed for specific Ford, Kia, Mazda, and Mercury models, this engine cooling fan switch ensures precise fan activation and deactivation based on temperature thresholds.
- Compatible with Ford Escort, Probe, and Tracer models
- Fits Kia Sephia and Mazda 323, 626, Miata, MX-3, MX-6, RX-7, and Protege
- Temperature activation at 206°F and deactivation at 197°F
- Oval-shaped male connector with one terminal for secure electrical connection
- Engine-mounted installation with 3/8" pipe (43/64" x 18) male fitting thread size
- Meets or exceeds OEM specifications for reliable performance
Four Seasons Temperature Switch Product Line Overview
The Temperature Switch line by Four Seasons focuses on precision temperature control components for engine cooling systems. This product line includes switches designed to activate cooling fans at specific temperature points, helping to prevent engine overheating and maintain efficient operation. The 37304 switch is part of this line, offering dependable temperature-based fan control for a range of vehicle makes and models.
Detailed Product Description
The Four Seasons 37304 engine cooling fan switch features a temperature-sensitive design that opens the fan circuit at 197°F and closes it at 206°F, ensuring the cooling fan operates only when necessary. Its oval-shaped male connector with a single terminal provides a secure and straightforward electrical connection. The switch mounts directly on the engine using a 3/8" pipe thread, facilitating easy installation and reliable fitment. This switch is compatible with various Ford, Kia, Mazda, and Mercury vehicles, including popular models such as the Ford Escort and Mazda Miata.
Common Applications and Issues Addressed
- Prevents engine overheating by activating the cooling fan at the correct temperature
- Resolves intermittent or non-functioning cooling fan problems
- Replaces faulty or worn temperature switches to restore proper fan control
- Helps maintain consistent engine temperature for improved performance
- Supports engine longevity by preventing excessive heat buildup
Installation Notes and Tips
- Ensure the engine is cool before attempting installation to avoid burns
- Verify the correct thread size (3/8" pipe) and connector type (oval male) for compatibility
- Disconnect the battery before removing the old switch to prevent electrical shorts
- Use appropriate thread sealant if recommended by the vehicle manufacturer
- Test the switch operation after installation by monitoring fan activation at specified temperatures
Quality Assurance and Warranty
The Four Seasons Temperature Switch 37304 meets or exceeds OEM standards, providing reliable and consistent performance. Manufactured with quality materials and tested for durability, this switch supports proper engine cooling system function. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 37304 |
| Position | Temperature Switch |
| Connector Gender | Male |
| Connector Shape | Oval |
| Description | Switch-Temp /Engine Mount |
| Fan Open/Closed | Open |
| Fitting Gender | Male |
| Fitting Thread Size | 3/8" Pipe (43/64" x 18) |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | Engine Mounted |
| Style | Temperature |
| Temperature Off | 197 |
| Temperature On | 206 |
| Terminal Quantity | 1 |
| Type | Cooling Fan |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Kia | Sephia | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1996 | Ford | Escort | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | |
| 1996 | Kia | Sephia | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1996 | Mazda | MX-3 | N/A | Temperature Switch | |||
| 1996 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1995 | Ford | Escort | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | |
| 1995 | Kia | Sephia | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1995 | Mazda | MX-3 | 1.6L | L4 | N/A | Temperature Switch | |
| 1995 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1995 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1994 | Ford | Escort | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | |
| 1994 | Kia | Sephia | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1994 | Mazda | 323 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1994 | Mazda | MX-3 | 1.6L | L4 | N/A | Temperature Switch | |
| 1994 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1994 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1993 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1993 | Ford | Escort | Manual | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1993 | Mazda | 323 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1993 | Mazda | Miata | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1993 | Mazda | MX-3 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1993 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1993 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1992 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1992 | Ford | Escort | Manual | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1992 | Ford | Probe | Manual | N/A | Engine mounted coolant fan switch; Temperature Switch | ||
| 1992 | Mazda | 323 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mazda | 626 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mazda | Miata | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mazda | MX-3 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mazda | MX-6 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1992 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1991 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1991 | Ford | Escort | Manual | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1991 | Ford | Probe | Manual | N/A | Engine mounted coolant fan switch; Temperature Switch | ||
| 1991 | Mazda | 323 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1991 | Mazda | 626 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1991 | Mazda | Miata | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1991 | Mazda | MX-6 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1991 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1991 | Mercury | Tracer | Manual | 1.8L | L4 | N/A | Engine Mounted; Thermostat Housing; Temperature Switch |
| 1990 | Ford | Probe | Manual | N/A | Engine mounted coolant fan switch; Temperature Switch | ||
| 1990 | Mazda | 323 | 1.6L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | |
| 1990 | Mazda | 626 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1990 | Mazda | MX-6 | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1990 | Mazda | Protege | N/A | Engine mounted coolant fan switch; Temperature Switch | |||
| 1989 | Mazda | RX-7 | N/A | Engine mounted coolant fan switch; Temperature Switch |
* 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.