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Four Seasons 36508 Engine Cooling Fan Switch - Lower
| Brand | Four Seasons 36508 |
|---|---|
| Position | Lower |
| Connector Gender | Female |
| 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 | Radiator Mount |
| Style | Temperature |
| Temperature Off | 179 |
| Temperature On | 197 |
| Terminal Pin Qty. | 2 |
| Terminal Quantity | 2 |
| Type | Temperature |
| Product line | Temperature Switch |
| Fits | Nissan and Porsche · 7 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling control.
Temperature switch. Opens at 197° and closes at 179° for precise fan control.
Rectangular connector. Female 2-terminal design with M16 x 1.50 threads for a secure fit.
Cross-references Four Seasons 36508, Global Parts Distributors LLC 1711381 and Karlyn 50313 for the same application. See all 15.
Engine Cooling Fan Switch for Radiator Mount
Four Seasons 36508 is a temperature switch for radiator-mounted engine cooling fan control. It uses a rectangular female connector with 2 terminals and an M16 x 1.50 male thread for direct radiator mounting. This Four Seasons Temperature Switch is built to meet or exceed OEM requirements and is listed for Nissan Maxima and Porsche 928 applications.
Key Features
- Radiator-mount engine cooling fan switch
- Temperature on at 197 and off at 179
- Rectangular connector shape with 2 terminals
- Female connector and M16 x 1.50 fitting thread
- Open fan operation style
- Meets or exceeds OEM specifications
Product Details
The Four Seasons Temperature Switch line is built for accurate coolant-temperature based fan control in radiator-mounted systems. Part number 36508 is a direct-fit style switch with a male M16 x 1.50 thread, 2-pin terminal layout, and open fan function. It is used in cooling systems where the fan circuit needs to switch on at 197 and switch off at 179 to maintain proper operating temperature. This part cross-references Global Parts Distributors LLC 1711381 for the same application.
Compatible With 1987-1990 Nissan Maxima, radiator mounted engine cooling fan switch; 1985-1986 Porsche 928, temperature switch; and 1985 Nissan Maxima, located on radiator. If you are searching for a radiator mounted engine cooling fan switch for Nissan Maxima or a temperature switch for Porsche 928, Four Seasons 36508 matches the listed applications.
Common Problems This Part Addresses
- Cooling fan not turning on at the correct coolant temperature
- Cooling fan staying on longer than expected after warm-up
- Intermittent fan operation caused by a worn temperature switch
- Overheating concerns related to inaccurate radiator-mounted fan control
- Fault codes or drivability issues tied to fan switch signal loss
Installation Notes and Tips
Verify the radiator mounting location, thread size, connector shape, and terminal count before installation. Confirm the fan switch temperature range matches the original specification for your Nissan Maxima or Porsche 928 application. Inspect the connector for corrosion and check the cooling system condition before replacing the switch.
Quality Assurance
Four Seasons 36508 is manufactured to meet or exceed OEM requirements for temperature-based cooling fan control. The Four Seasons Temperature Switch line is intended for direct replacement use in listed radiator-mounted applications.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1990 | Nissan | Maxima | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1989 | Nissan | Maxima | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1988 | Nissan | Maxima | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1987 | Nissan | Maxima | — | N/A | Radiator Mounted Engine Cooling Fan Switch; Temperature Switch |
| 1986 | Porsche | 928 | — | N/A | Temperature Switch |
| 1985 | Nissan | Maxima | Manual | N/A | Located On Radiator; Temperature Switch |
| 1985 | Porsche | 928 | — | N/A | Temperature Switch |
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