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Four Seasons 35944 Engine Cooling Fan Switch
Reliable Engine Cooling Fan Switch for BMW, Chevrolet, Geo, and Toyota
The Four Seasons 35944 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. Compatible with popular models like the BMW 325i, Chevrolet Nova, and Toyota Camry, this temperature switch ensures precise fan activation at 212°F to protect your engine from overheating.
- Connector color: White with a round shape for secure connection
- Single terminal male connector for straightforward installation
- Engine-mounted fitting with M16-1.50 male thread size
- Fan switch operates in a closed position to activate cooling fan
- Meets or exceeds OEM specifications for reliable performance
About the Four Seasons Temperature Switch Product Line
The Four Seasons Temperature Switch line focuses on precision-engineered components that regulate engine cooling fan operation based on temperature thresholds. The 35944 switch is part of this line, offering dependable temperature sensing and fan control to maintain engine efficiency and prevent overheating in vehicles such as the BMW 325is and Toyota Supra.
Detailed Product Description
This engine cooling fan switch features a white, round male connector with a single terminal, designed for easy integration into the engine cooling system. The switch is engine-mounted and uses a male fitting with an M16-1.50 thread size, ensuring a secure and leak-free installation. It activates the cooling fan at 212°F, operating in a closed circuit to engage the fan when needed. The Four Seasons 35944 switch meets or exceeds OEM standards, making it a reliable replacement for factory-installed components in models like the Geo Prizm and Chevrolet Monza.
Common Applications and Issues Addressed
- Prevents engine overheating by activating the cooling fan at the correct temperature
- Resolves intermittent or non-functioning cooling fan problems
- Eliminates engine temperature fluctuations caused by faulty fan switches
- Restores proper cooling system operation in BMW 325e and Toyota Tercel vehicles
- Ensures consistent fan control for improved engine performance and longevity
Installation Notes and Tips
When installing the Four Seasons 35944 Engine Cooling Fan Switch, ensure the engine is cool to avoid burns. Verify the M16-1.50 thread size matches your vehicle’s mounting point. Connect the white, round male connector securely to prevent electrical issues. It is recommended to inspect the cooling fan and related wiring during installation to ensure overall system integrity.
Quality Assurance and Warranty
Four Seasons parts, including the 35944 Engine Cooling Fan Switch, are manufactured to meet or exceed OEM specifications. This part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship, providing confidence in your replacement part.
| Brand | Four Seasons |
| Part Number | 35944 |
| Position | Temperature Switch |
| Connector Color | White |
| Connector Gender | Male |
| Connector Shape | Round |
| Description | Switch-Temp /Engine Mount |
| Fan Open/Closed | Closed |
| Fitting Gender | Male |
| Fitting Thread Size | M16-1.50 |
| Meets / Exceeds OEM? | YES |
| Mnt Sys Loc | Engine Mounted |
| Style | Temperature |
| Temperature On | 212 |
| Terminal Quantity | 1 |
| Type | Cooling Fan |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | Toyota | Corolla | N/A | Temperature Switch | ||||||
| 1992 | Geo | Prizm | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1992 | Toyota | Celica | 1.6L | L4 | N/A | Temperature Switch | ||||
| 1992 | Toyota | Corolla | FWD | N/A | Temperature Switch | |||||
| 1991 | Geo | Prizm | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1991 | Toyota | Celica | 1.6L | L4 | N/A | Temperature Switch | ||||
| 1991 | Toyota | Corolla | FWD | N/A | Temperature Switch | |||||
| 1990 | Geo | Prizm | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1990 | Toyota | Celica | 1.6L | L4 | N/A | w/o Connector; Temperature Switch | ||||
| 1990 | Toyota | Corolla | FWD | N/A | Temperature Switch | |||||
| 1989 | Geo | Prizm | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1989 | Toyota | Corolla | FWD | N/A | Temperature Switch | |||||
| 1988 | Chevrolet | Nova | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1988 | Toyota | Camry | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1988 | Toyota | Corolla | FX | N/A | Temperature Switch | |||||
| 1988 | Toyota | Corolla | FX16 | N/A | Temperature Switch | |||||
| 1988 | Toyota | Corolla | FX16 GTS | N/A | Temperature Switch | |||||
| 1987 | BMW | 325e | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1987 | BMW | 325es | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1987 | BMW | 325i | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1987 | BMW | 325is | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1987 | Chevrolet | Nova | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1987 | Toyota | Camry | N/A | Temperature Switch | ||||||
| 1987 | Toyota | Camry | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1987 | Toyota | Celica | N/A | Temperature Switch | ||||||
| 1987 | Toyota | Corolla | FX | N/A | Temperature Switch | |||||
| 1987 | Toyota | Corolla | FX16 | N/A | Temperature Switch | |||||
| 1987 | Toyota | Corolla | FX16 GTS | N/A | Temperature Switch | |||||
| 1987 | Toyota | Supra | N/A | Temperature Switch | ||||||
| 1986 | BMW | 325e | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1986 | BMW | 325es | N/A | 99 Deg. C; Temperature Switch | ||||||
| 1986 | Chevrolet | Nova | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1986 | Toyota | Camry | 2.0L | L4 | GAS | N/A | Temperature Switch | |||
| 1986 | Toyota | Celica | N/A | Temperature Switch | ||||||
| 1986 | Toyota | Corolla | Sedan | FWD | 1.6L | L4 | N/A | Temperature Switch | ||
| 1986 | Toyota | Corolla | Hatchback | FWD | 1.6L | L4 | N/A | Temperature Switch | ||
| 1986 | Toyota | Supra | N/A | Temperature Switch | ||||||
| 1985 | Chevrolet | Nova | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1985 | Toyota | Camry | 2.0L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||
| 1985 | Toyota | Corolla | 1.6L | L4 | N/A | Temperature Switch | ||||
| 1984 | Toyota | Camry | 2.0L | L4 | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||
| 1984 | Toyota | Corolla | 1.6L | L4 | N/A | Temperature Switch | ||||
| 1983 | Toyota | Camry | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1982 | Toyota | Tercel | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1981 | Toyota | Tercel | N/A | Engine mounted coolant fan switch; Temperature Switch | ||||||
| 1979 | Chevrolet | Monza | 3.8L | V6 | N/A | Temperature Switch | ||||
| 1979 | Chevrolet | Monza | 3.2L | V6 | 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.