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Four Seasons 36502 Engine Cooling Fan Switch
Four Seasons 36502 Temperature Switch
The Four Seasons Temperature Switch, part number 36502, is a radiator-mounted engine cooling fan switch built for direct temperature control in the cooling system. It uses a rectangular male connector with 2 terminals and an M16 x 1.50 thread for system mount applications.
Compatible With 1985-1986 Nissan Maxima, 1986-1988 Nissan Sentra, and 1987-1989 Nissan Pulsar NX radiator-mounted cooling fan switch applications, this Four Seasons 36502 temperature switch is specified to open at 194 and close at 203 for fan operation control.
Key Features
- Four Seasons Temperature Switch line
- Part number 36502
- Radiator mount / system mount design
- Rectangular male connector with 2 terminals
- M16 x 1.50 male thread
- Fan open/closed function with 194 off and 203 on temperature points
- Meets or exceeds OEM requirements
Product Details
This engine cooling fan switch monitors coolant temperature and signals the fan circuit when the set temperature threshold is reached. The Four Seasons 36502 is a temperature switch style unit with a 2-pin rectangular connector, male fitting gender, and M16-1.50 thread size for radiator-mounted installations. It is a direct-fit replacement for Nissan cooling system service where accurate fan cycling is required.
This part cross-references Gates 51760 for the same application.
What It Helps Address
- Cooling fan not turning on at the correct temperature
- Cooling fan staying on longer than expected
- Erratic radiator fan cycling
- Temperature switch failure in the radiator-mounted circuit
- Cooling system control issues on Nissan Maxima, Sentra, and Pulsar NX applications
Installation Notes
Verify connector shape, terminal count, and thread size before installation. This switch is designed for radiator-mounted, system-mount use and should be matched to the vehicle’s original temperature range and fan control strategy. Confirm the cooling system is properly serviced and the electrical connector is clean and secure before final testing.
Quality Assurance
Four Seasons lists this temperature switch as meeting or exceeding OEM requirements for the specified application. The 36502 part number is intended for accurate replacement in cooling fan control service.
| Brand | Four Seasons |
|---|---|
| Part Number | 36502 |
| Position | Temperature Switch |
| Connector Gender | Male |
| Connector Shape | Rectangular |
| Description | Switch-Temp /Radiator Mount |
| Fan Open/Closed | Open |
| Fitting Gender | Male |
| Fitting Thread | M16 x 1.50 |
| Fitting Thread Size | M16-1.50 |
| Function | temperature switch |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | System Mount |
| Style | Temperature |
| Temperature Off | 194 |
| Temperature On | 203 |
| Terminal Pin Qty. | 2 |
| Terminal Quantity | 2 |
| Type | Temperature |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Nissan | Pulsar NX | 1.6L | L4 | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch | |
| 1988 | Nissan | Pulsar NX | 1.6L | L4 | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch | |
| 1988 | Nissan | Sentra | N/A | Radiator Mounted; Federal Emissions; Temperature Switch | |||
| 1987 | Nissan | Pulsar NX | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch | |||
| 1987 | Nissan | Sentra | 1.6L | L4 | N/A | Radiator Mounted; Federal Emissions; Temperature Switch | |
| 1986 | Nissan | Maxima | Automatic | N/A | Temperature Switch | ||
| 1986 | Nissan | Sentra | 1.6L | L4 | N/A | Radiator Mounted; Federal Emissions; Temperature Switch | |
| 1985 | Nissan | Maxima | Automatic | N/A | 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.