1、Applicable Engines: Fit 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 and more engines. 2、Applicable Fans: 3/8in NPT thread tize, 17mm/0.67in screw size, fit for any of our 10, 12, 14, and 16 inch fans, as well as our dual fans. 3、On Off Temperature: Cooling fan thermostat switch activates your fan when the temperature reaches 200°F and turns off at approximately 185°F. 4、Stable and Precise Control: Supply cooling air to the engine to ensure the maximum working efficiency of the engine. Low power consumption, low temperature, safe and reliable. 5、Simple Installation: Easy to install into your AC blower motor. Simply remove the screws holding the blower motor resistor into the blower, remove the resistor assembly, and install the new resistor. Item Type: Cooling Fan Thermostat Switch Material: Metal Thread Size: 3/8in NPT Screw Size: Approx. 17mm/0.67inFan On Temperature: 200°F Fan Off Temperature: 185°FFitment: Fit 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 Fit for any of our 10, 12, 14, and 16 inch fans, as well as our dual fans 1 x Cooling Fan Thermostat Switch