/live/media/FS/FS_36503_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Four Seasons 36503 Engine Cooling Fan Switch
| Brand | Four Seasons 36503 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Description | Switch-Temp /Engine Mount |
| Fan Open/Closed | Open |
| Fitting Gender | Male |
| Fitting Thread Size | M16-1.50 |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | Engine Mounted |
| Style | Temperature |
| Temperature Off | 179 |
| Temperature On | 188 |
| Terminal Quantity | 2 |
| Type | Cooling Fan |
| Product line | Temperature Switch |
| Fits | Nissan · 5 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling control.
Temperature switch. Turns the cooling fan on at 188 and off at 179.
Engine-mounted design. Rectangular female connector with a 2-terminal M16-1.50 fitting.
Cross-references Four Seasons 36503, 50288 and 155974 for the same application. See all 19.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Cooling Fan Switch for Nissan
Four Seasons 36503 is a temperature switch for engine-mounted cooling fan control. It uses a rectangular female connector with 2 terminals and an M16-1.50 male thread for direct replacement service on select Nissan applications.
Built to meet or exceed OEM requirements, this Four Seasons Temperature Switch is specified with fan open/closed operation and temperature settings of 179 degrees off and 188 degrees on. It is a practical choice for restoring proper cooling fan cycling on 1989-1990 Nissan Pulsar NX and 1989-1990 Nissan Sentra applications.
Key Features
- Brand: Four Seasons Temperature Switch
- Part number: 36503
- Engine-mounted cooling fan switch
- Rectangular connector shape with female connector
- 2-terminal design
- M16-1.50 male fitting thread
- Fan open/closed configuration
- Temperature off at 179 degrees and on at 188 degrees
- Meets or exceeds OEM specifications
Detailed Description
Four Seasons 36503 is an engine cooling fan switch designed for temperature-based fan operation in select Nissan vehicles. As part of the Four Seasons Temperature Switch line, it is built for engine-mounted use and supports accurate fan control based on coolant temperature. This helps maintain the intended operating range for the cooling system in 1989-1990 Nissan Pulsar NX and 1989-1990 Nissan Sentra models. The part number 36503 is also referenced in cross applications such as 50288 and 155974 for the same type of service need.
What It Helps Address
- Cooling fan not switching on at the correct temperature
- Cooling fan staying on longer than expected
- Intermittent temperature-triggered fan operation
- Faulty engine-mounted coolant fan switch diagnosis
- Restoration of proper fan cycling on Nissan Sentra and Pulsar NX models
Installation Notes and Tips
Verify the connector shape, terminal count, and M16-1.50 thread before installation. This switch is engine mounted, so confirm the original location and temperature specification match the vehicle’s cooling system requirements. For fitment, use the exact application listing: Fits 1989-1990 Nissan Pulsar NX, N/A; Fits 1989 Nissan Sentra, N/A; Fits 1990 Nissan Sentra, N/A.
Quality Assurance
Four Seasons 36503 meets or exceeds OEM requirements for the listed applications. Confirm vehicle fitment by year, make, model, and engine-mounted switch configuration before ordering.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Nissan | Pulsar NX | — | — | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1990 | Nissan | Sentra | — | — | N/A | Engine Mounted; To 12/90; Temperature Switch |
| 1989 | Nissan | Pulsar NX | 1.8L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1989 | Nissan | Pulsar NX | 1.6L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1989 | Nissan | Sentra | — | — | N/A | Engine mounted coolant fan switch; Temperature Switch |
| No rows match your filter. | ||||||