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Dryer Thermister

Part Number: AP3919451
MFG Part Number: 8577274
Made by: Whirlpool
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$32.12 $13.33

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Questions & Answers

89 Questions & Answers


Located on the blower housing next to the thermal fuse.

Genuine Whirlpool part. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and others. See all items in Dryer Fuse Or Sensor and Washer Dryer Combo Fuse Or Sensor.
Whirlpool also makes various appliance models for Sears / Kenmore.

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Cross Reference Information

Part Number 8577274 (AP3919451) replaces 3976615, 1181075, 3390292, 3406294, 772546, AH993287, EA993287, PS993287.

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Repair Video

How to Replace Dryer Thermister #8577274

Step by step instructions on how to replace a Dryer Thermister #8577274 for Dryer, Washer Dryer Combo made by Whirlpool, Kenmore, Maytag. Note: This video is intended to give you the general idea of the part replacement procedure. Your appliance may differ depending on the manufacturer and model.


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Most Interesting

Were is the Thermistor Located and is there a way to trouble shoot it to see if it is bad? Thank You



3 people found this answer helpful.

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The metal plate in the back of the dryer drum is getting very hot (190-210F). It also has a funny smell. I've disconnected the vent hose and airflow seems to be good. I've tested the themister and it has a resistance of 13.6k ohms at room temp and it varies down as it gets hotter. I've also verified the thermostat has 0 resistance when it's at room temp and the coils cycle on and off as it's running. Any idea what the trouble could be?

Fred for Model Number wed9270xw1


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I am testing my new thermistor and it reads infinity on my multimeter, so no resistance and no connectivity. Does this mean it is a bad thermistor? The old thermistor has the same reading so that is why I ordered a new one.

Denise for Model Number duet dryer


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Latest Questions

When my Whirlpool Cabrio dryer was just over 1 year old, it stopped. It would click and the sensing light would come on but it would not start. After some research the thermal fuse was replaced and it worked for a short while; then F22 began coming on. It would work for a while on some loads before the code would appear. My son replaced the thermistor #8577274 in December. It has the code F22 again and will not run more than 1 minute before stopping with this code. Should I just replace the thermistor again or is there something else cause this to happen?

Janice for Model Number WED7600xw


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My dryer gets hot but doesn't dry the clothes all the way. I have tried to use different temperature settings and cycles sometimes that works and sometimes it doesn't. I also think that the timer is off as well. I'm not sure where to start with this.

Megan for Model Number WED8300SW2


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Dryer runs but the igniter doesn't glow.The fuse is good. Igniter reads 79?

Hass for Model Number 11072882101


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