/live/media/FS/FS_20027_Fro.jpg)
OE Quality
60-Day Returns
Four Seasons
Temperature SwitchFour Seasons 20027 Engine Cooling Fan Switch
| Brand | Four Seasons 20027 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Oval |
| Description | Switch-Temp /Radiator Mount |
| Fan Open/Closed | Open |
| Fitting Thread | M12 x 1.50 |
| Fitting Thread Size | M12 x 1.50 |
| Function | temperature switch |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | Radiator Mount |
| Style | Temperature |
| Temperature Off | 221 |
| Temperature On | 239 |
| Terminal Pin Qty. | 2 |
| Terminal Quantity | 2 |
| Type | Temperature |
| Product line | Temperature Switch |
| Fits | Ford, Mercury, and Mazda · 27 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling control.
Temperature switch. Opens at 239° and closes at 221° for precise fan control.
Oval connector. Female 2-terminal design with M12 x 1.50 threads for a secure fit.
Cross-references Baldwin 20027, 50385 and 207976 for the same application. See all 13.
$65.95Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Cooling Fan Switch options
Engine Cooling Fan Temperature Switch
The Four Seasons Temperature Switch 20027 is a radiator-mounted engine cooling fan switch built for precise fan control in select Ford, Mercury, and Mazda applications. It uses a 2-terminal female oval connector and an M12 x 1.50 thread for direct radiator mounting.
With an open fan circuit and temperature-based operation, this switch turns the cooling fan on at 239 and off at 221 to help maintain proper radiator temperature in supported vehicles.
Key Features
- Brand: Four Seasons Temperature Switch
- Part number: 20027
- Radiator mount temperature switch for engine cooling fan control
- Oval female connector with 2 terminals
- M12 x 1.50 fitting thread
- Fan open/closed configuration: Open
- Temperature on: 239; temperature off: 221
- Meets or exceeds OEM requirements
Product Details
Four Seasons 20027 is a temperature switch for radiator-mounted cooling fan systems. It is used in applications such as the Ford Escort, Mercury Tracer, Mazda Protege, and Mazda 323, where the switch monitors radiator temperature and signals the fan circuit at the specified operating point. This part cross-references Baldwin 20027 for the same application.
Common Issues This Part Can Address
- Cooling fan not switching on at the correct radiator temperature
- Cooling fan running at the wrong time due to a failed temperature switch
- Overheating caused by inconsistent radiator fan control
- Intermittent fan operation from worn electrical contacts
- Temperature control faults in radiator-mounted fan switch systems
Installation Notes and Tips
- Verify the radiator-mounted location and M12 x 1.50 thread before installation.
- Confirm the connector shape is oval and the connector gender is female.
- Match the 2-terminal layout to the original switch connector.
- Use the vehicle’s service information to confirm the correct fan-on and fan-off temperature range.
- Fits 1992-1996 Ford Escort, N/A; radiator mounted, top of radiator, temperature switch.
- Fits 1995-1996 Mercury Tracer, N/A; radiator mounted, top of radiator, temperature switch.
- Fits 1991-1992 Mercury Tracer, N/A; radiator mounted, top of radiator, temperature switch.
- Fits 1990-1995 Mazda Protege, N/A; radiator mounted engine cooling fan switch, temperature switch.
- Fits 1990-1994 Mazda 323, N/A; radiator mounted engine cooling fan switch, temperature switch.
- Fits 1993-1994 Mercury Tracer, N/A; radiator mounted, high speed, top of radiator, temperature switch.
- Fits 1991 Ford Escort, N/A; engine coolant temperature sensor fits on radiator, temperature switch.
Quality Assurance
Four Seasons lists this temperature switch as meeting or exceeding OEM requirements, supporting direct replacement use in the specified Ford Escort, Mercury Tracer, Mazda Protege, and Mazda 323 applications.
This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1996 | Ford | Escort | — | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1996 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1995 | Ford | Escort | — | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1995 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1995 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1994 | Ford | Escort | — | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1994 | Mazda | 323 | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1994 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1994 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; High Speed; Top of Radiator; Temperature Switch |
| 1993 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1993 | Ford | Escort | Manual | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1993 | Mazda | 323 | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1993 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1993 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; High Speed; Top of Radiator; Temperature Switch |
| 1992 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1992 | Ford | Escort | Manual | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1992 | Mazda | 323 | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1992 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1992 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1991 | Ford | Escort | Automatic | 1.8L | L4 | N/A | Engine Coolant Temperature Sensor fits on radiator.; Temperature Switch |
| 1991 | Ford | Escort | Manual | 1.8L | L4 | N/A | Engine Coolant Temperature Sensor fits on radiator.; Temperature Switch |
| 1991 | Mazda | 323 | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1991 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1991 | Mercury | Tracer | Automatic | 1.8L | L4 | N/A | Radiator Mounted; Top of Radiator; Temperature Switch |
| 1990 | Mazda | 323 | — | 1.6L | L4 | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1990 | Mazda | 323 | — | 1.8L | L4 | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1990 | Mazda | Protege | — | — | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| No rows match your filter. | |||||||
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 200275038520797621184515509991112002719188142A87976AC8835B62K18840AF0CZ10884AHS845TU190