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Four Seasons 36511 Engine Cooling Fan Switch
Reliable Engine Cooling Fan Switch for Acura and BMW Models
The Four Seasons Temperature Switch 36511 is engineered to maintain optimal engine temperature by controlling the cooling fan operation. Designed for select Acura and BMW vehicles, this engine cooling fan switch ensures precise temperature regulation to protect your engine from overheating.
- Connector Color: Black with open male connector
- Terminal Quantity: 2 for secure electrical connection
- Fitting Thread Size: M14 x 1.50 with male fitting gender
- Temperature On: 203°F, Temperature Off: 194°F for accurate fan control
- Engine mounted switch designed to meet or exceed OEM specifications
About the Four Seasons Temperature Switch Product Line
The Temperature Switch line by Four Seasons focuses on delivering reliable temperature-activated components for engine cooling systems. The 36511 switch is part of this line, providing precise fan activation and deactivation based on engine temperature. This ensures efficient cooling fan operation, helping maintain engine performance and longevity.
Detailed Product Description
This engine cooling fan switch features a black open male connector with two terminals, designed for easy integration into the vehicle’s cooling system. The switch mounts directly on the engine and uses a male fitting with an M14 x 1.50 thread size for secure installation. It activates the cooling fan at 203°F and turns it off at 194°F, maintaining optimal engine temperature. The Four Seasons 36511 switch meets or exceeds OEM standards, making it a dependable replacement for compatible Acura and BMW models.
Compatible Vehicles and Common Applications
- Acura TL
- BMW 318i, 318is, 320i, 325e, 325es, 325i, 325is, 325iX, 524td, 528e, 535i, 535is, 635CSi, 735i, M3
This switch is commonly used to address issues such as:
- Cooling fan not activating at the correct temperature
- Engine overheating due to fan failure
- Intermittent fan operation causing temperature fluctuations
- Faulty temperature switch causing electrical connection problems
- Replacement of worn or damaged OEM cooling fan switches
Installation Notes and Tips
Ensure the engine is cool before installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old switch carefully, noting the connector type and thread size. Install the Four Seasons 36511 switch by threading it into the engine mount location and reconnect the two-terminal open male connector. Verify proper fan operation by monitoring engine temperature after installation.
Quality Assurance and Warranty
The Four Seasons Temperature Switch 36511 is manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. This part undergoes rigorous quality control to maintain consistent operation in demanding engine environments. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 36511 |
| Position | Temperature Switch |
| Connector Color | Black |
| Connector Gender | Male |
| Connector Shape | Open |
| Description | Switch-Temp /Engine Mount |
| Fan Open/Closed | Open |
| Fitting Gender | Male |
| Fitting Thread Size | M14 x 1.50 |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | Engine Mounted |
| Style | Temperature |
| Temperature Off | 194 |
| Temperature On | 203 |
| Terminal Quantity | 2 |
| Type | Cooling Fan |
This part fits 68 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Acura | TL | N/A | Engine Coolant Temperature Sensor fits on radiator.; Temperature Switch |
| 1994 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1994 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1993 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1993 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1993 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1992 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1992 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1992 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1991 | BMW | 318i | N/A | 2 Term.; 91 Deg. C; Temperature Switch |
| 1991 | BMW | 318is | N/A | 91 Deg. C; Temperature Switch |
| 1991 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1991 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1991 | BMW | 325iX | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1991 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1991 | BMW | M3 | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1990 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1990 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1990 | BMW | 325iX | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1990 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1990 | BMW | M3 | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | 325iX | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | 635CSi | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1989 | BMW | M3 | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 325iX | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1988 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 535is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | 635CSi | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1988 | BMW | M3 | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 325e | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 325es | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 325i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 325is | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1987 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1987 | BMW | 635CSi | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1986 | BMW | 325e | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1986 | BMW | 325es | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1986 | BMW | 524td | N/A | 91 Degree Celsius; Temperature Switch |
| 1986 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1986 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1986 | BMW | 635CSi | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1986 | BMW | 735i | N/A | 91 Degree Celsius; Temperature Switch |
| 1985 | BMW | 318i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1985 | BMW | 325e | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1985 | BMW | 524td | N/A | 91 Degree Celsius; Temperature Switch |
| 1985 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1985 | BMW | 535i | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1985 | BMW | 635CSi | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1985 | BMW | 735i | N/A | 91 Degree Celsius; Temperature Switch |
| 1984 | BMW | 318i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1984 | BMW | 325e | N/A | Engine Mounted; w/ 2 Term. Switch; Temperature Switch |
| 1984 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1983 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1983 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1982 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1982 | BMW | 528e | N/A | 91 Degree Celsius; Temperature Switch |
| 1981 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1980 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1979 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1978 | BMW | 320i | N/A | Engine mounted coolant fan switch; Temperature Switch |
| 1977 | BMW | 320i | 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.