Ensuring your vehicle's engine operates at the optimal temperature is crucial for performance and longevity. A reliable temperature switch plays a vital role in this process, signaling your cooling system when to engage. Selecting the correct replacement unit prevents overheating and potential engine damage, saving you from costly repairs.
- This electric fan thermostat switch activates your fan when the temperature reaches 200 degrees and turns off at approximately 185 degrees. Perfect fits for any of 10, 12, 14, and 16 inch fans including dual fans
- The cooling fan switch is compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines
- 3/8" pipe thread. 200-185 degree electric fan temperature relay switch kit for your cooling system
- Electric fan temp switch made of durable aluminum, ensure maximum strength and durability for long lasting usage
- Please carefully check your vehicle model before purchase. If you have any problems with the fan thermostat temperature switch please reach out to us anytime
- This cooling fan fan thermostat temperature switch activates your fan when the temperature reaches 185 degrees and turns off at approximately 175 degrees. Perfect fits for any of 10, 12, 14, and 16 inch fans including dual fans
- Compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines
- 170-185 degree electric fan thermostat relay switch kit for your cooling system, It is a NPT 3/8" thread
- Electric fan switch temp switch made of durable aluminum, ensure maximum strength and durability for long lasting usage
- Please carefully check your vehicle model before purchase. If you have any problems with the fan thermostat temperature switch please reach out to us anytime
- [Thread Size] 1/8" NPT. Fan Switch Temperature Fahrenheit: 200'F On - 185'F Off
- [Function Overview]The American Volt NPT size electric fan ground thermostat switch closes the electrical circuit and grounds the fan when the set turn-on temperature is reached. This switch intelligently controls the fan’s operation based on...
- [Application Range] The switch features a universal size design, making it suitable for installation on various components such as radiators, oil coolers, condensers, and water hoses. This versatile adaptability makes it an ideal choice for a range of...
- [Ease of Installation] Designed with NPT size for threaded connections, this switch is easy to install and integrates seamlessly with different devices. Its universal sizing allows for straightforward installation into existing cooling systems without the...
- [Note] Please check the model of the replacement parts and the applicable machine type before purchasing to ensure correct installation. If you have any questions, please leave us a message
- Cooling fan switch closes the circuit to engage the cooling fan(s) when the optimum temperature is reached
- When not replaced, cooling system fans will either remain continually "on" or not function causing the engine to overheat, internal engine damage and/or temperature light illumination
- Designed to meet or exceed OE specifications in form, fit and function
- Global coverage for import and/or domestic applications
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
- 【Compatibility】: The cooling fan switch is widely compatible with many common automotive engine models, including 260, 289, 302, 351W, 347, 352, 360, 390, 406, 427, 428, 429, 460, 351C, 351M, 400M...
- 【Practical Function】: The electric fan thermostat switch automatically turns on the fan for heat dissipation when the coolant temperature rises to 185 degrees, when the temperature drops to 175 degrees, the fan shuts off in a timely manner. This...
- 【Size Specifications】: The electric fan temperature relay switch is approximately 2.24 inches in size, which is moderately sized. The included hex nut features a standard 3/8-inch thread design, making it suitable for most vehicle cooling systems and...
- 【High-Quality Material】: The fan thermostat temperature switch is made of high-quality brass, which has excellent anti-rust and anti-corrosion properties. With high mechanical strength, it is sturdy and reliable, ensuring long-term stable operation.
- 【Easy Installation】: The installation of the AC fan thermostat switch is very simple, just turn off the engine, wait for the radiator to cool down, and then directly replace the original fan switch, the whole process does not require complex tools or...
- Perfect - HiSport cooling fan thermostat temperature switch is set up to turn your electric engine cooling fan on at 200 degrees and shut off at 185 degrees.
- Component - 185-200 degree electric fan thermostat relay switch kit for your cooling system, It is a NPT 3/8" thread.
- FITMENT-Compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 FIT 413 426W 440 455 330 326 engines.
- Caution-Please make sure your product is compatible with the model
- Quality -Our Fan Thermostat Temperature Switch uses high quality and durable materials. All Fan Thermostat Temperature Switchs Quality -are tested by our QA department before the packing, reaching or exceeding OEM quality.
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
- Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
- Thread Size: 1/8'' NPT
- Fan On Temperature Fahrenheit: 185-200 Degrees, Fan Off Temperature Fahrenheit: 164 Degrees.
- Note: Please carefully confirm the product specification before purchasing.
- Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
- Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
- Thread Size: 3/8" NPT
- Fan On Temperature Fahrenheit: 180 Degree, Fan Off Temperature Fahrenheit: 165 Degree.
- Note: Please carefully confirm the product specification before purchasing.
This article is part of our complete guide Plumbing & Electrical — browse all our comparisons and buying guides.
Last update on 2026-09-02 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Temperature Switches
Vehicle Compatibility
The most critical factor when purchasing a replacement temperature switch is ensuring it is compatible with your specific vehicle's make, model, and year. Different vehicles use switches with varying thread sizes, temperature activation points, and electrical connector types. Always consult your vehicle's owner's manual or a reputable parts catalog to confirm the exact specifications needed before buying.
Temperature Activation Point
Temperature switches are designed to activate your cooling fan or alert light at a specific temperature. Choosing a switch with the correct activation point is essential for maintaining your engine's ideal operating temperature range. Using a switch that activates too early or too late can lead to inefficient cooling or engine overheating. Refer to your vehicle's service manual for the recommended activation temperature.
Material and Durability
Consider the materials used in the switch's construction. Switches are often exposed to extreme temperatures, vibrations, and corrosive fluids. Opt for switches made from durable materials like brass or high-quality plastics designed to withstand these harsh conditions. A well-constructed switch will offer greater reliability and a longer service life.