partssquare 3/8" 185 degree on 170 degree off radiator cooling fan thermostat temperature switch kit compatible with 265 283 305 400 347 352 360 390351m 400m 273 318 340 360 361 383 400 engines partssquare <br>it is a?/8" pipe thread.it activates your fan when the temperature reaches 185 degrees and turns off at approximately 170 degrees.this kit is perfect for any of our 10, 12, 14, and 16 inch fans, as well as our dual fans. <br> <br>compatible with 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 <br> <br>it is an advance fan thermostat temperature switch爐han traditional mechanical pressure sender. <br> <br>package include: <br> <br>1 pcs xfan thermostat temperature switch <br>