Kenmore Microwave 721.80403402 (72180403402, 721 80403402) Parts
Genuine Lg part
By: Lg
Part Number: 3828W5A8146
$70.76
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$77.84
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$7.08
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Genuine Lg part
By: Lg
Part Number: 3840W1T0053
$6.72
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$7.39
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$0.67
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Genuine Lg part
By: Lg
Part Number: 3850W1D069D
$6.72
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$7.04
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$0.32
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Genuine Lg part
By: Lg
Part Number: 4760W0A002E
$17.11
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$17.78
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$0.67
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Genuine Lg part
By: Lg
Part Number: 4810W1A141A
$6.72
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$7.04
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$0.32
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Genuine Lg part
By: Lg
Part Number: 4974W1A036D
$17.11
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$18.82
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$1.71
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Genuine Lg part
By: Lg
Part Number: 5208W0A020C
$70.76
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$77.84
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$7.08
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Genuine Lg part
By: Lg
Part Number: 1TTL0402418
Genuine Lg part
By: Lg
Part Number: 3501W1A019D
The Door Latch Housing and Interlock Switch Assembly is an OEM replacement part for LG microwaves. It consists of the protective door latch housing casing along with the two-door switches and interlock switch.
The interlock switch prevents microwave energy from being generated inside the oven when the door is open. It shuts off all power once a faulty seal is detected between the door and cavity.
Symptoms of issues can include:
- Microwave failing to turn on or cook with the door open
- Sparking or arcing seen near the door seal or frame
- Error codes displayed related to interlock detection faults
Compatible models include some GE, Kenmore, and Samsung units using matching door designs sourced from LG.
Do-It-Yourself Stories from Customers like You
Microwave would not cook. everything else worked no heat. Joe H. • San Juan Capistrano , CA • October 21, 2019
Followed the instructions on your "fix it" video on how to test for a bad micro-sensor. Wola! found one of the three micro-sensors was faulty. Replaced the whole board Assembly,latch just in case the other micro-sensors were ready to go bad. Ten minutes and I was back to using the microwave.
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Genuine Lg part
By: Lg
Part Number: 3303W1A061A
Genuine Lg part
By: Lg
Part Number: 3390W0A001B
Do-It-Yourself Stories from Customers like You
I have a discontinued lg microwave that works fine but was missing a special rectangular glass tray John E C. • Boerne , TX • June 25, 2016
After contacting LG and numerous other part dealers I was about to give up and buy a new microwave. Appliance Parts Pros had the parts I needed and saved the day..
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Genuine Lg part
By: Lg
Part Number: 3500W1A028B
Do-It-Yourself Stories from Customers like You
Open the door and the microwave would start up with the door open Frank Z. • St Cloud , FL • May 12, 2017
Take the top vent off by two screws & then one screw on the side & lifted her up and I could see the 3 switches I need to repair. Then unscrewed the housin to the 3 switches. Took the housin out , put the 3 switches in the new housing & put her in & plug them in . And plug the Nucor and she works like new. Highly recommended to deal with these people good people for the do-it-yourselfer.
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Genuine Lg part
By: Lg
Part Number: 3530W0A030H
Genuine Lg part
By: Lg
Part Number: 3550W1A189A
Genuine Lg part
By: Lg
Part Number: 3552W1A032E
Genuine Lg part
By: Lg
Part Number: 3650W1A075F