Features 1Applicable 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. 2Applicable 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. 3On Off Temperature: Cooling fan thermostat switch activates your fan when the temperature reaches 200F and turns off at approximately 185F. 4Stable 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. 5Simple 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. Specification Item Type: Cooling Fan Thermostat Switch Material: Metal Thread Size: 3/8in NPT Screw Size: Approx. 17mm/0.67in Fan On Temperature: 200F Fan Off Temperature: 185F Fitment: 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 Package List 1 x Cooling Fan Thermostat Switch