Lg Microwave MH1517CV Parts
Genuine Lg part
By: Lg
Part Number: 3B74133C
This time delay fuse protects the appliance from overheating by opening the circuit when temperatures exceed safe limits. It's a direct-replacement electrical safety fuse used in heating circuits to help prevent damage and fire risk. What it does:
- Opens the circuit when the detected temperature rises above safe operating limits to stop the heating element
- Helps prevent overheating-related damage to internal components and wiring
- Can cause intermittent or no heating when failed
- Commonly associated with symptoms such as no heat, reduced or inconsistent heating, or a unit that stops running during heating cycles
What's included: One time delay fuse Install notes:
- Disconnect power to the appliance before accessing or replacing the fuse to avoid electrical shock
- Locate the fuse according to your appliance's service manual or diagram and replace with the exact part number
- If the fuse is blown, inspect heating element, thermostat/thermal cutouts, and venting for underlying faults before reinstalling
Do-It-Yourself Stories from Customers like You
Thermostate (correct name is a thermister; 1 time over heat and reacts like a fuse) Paul J. • Parkville , MD • February 16, 2017
Actual problem was due to a poor connection from the circuit board and HV transformer, over time this poor / loose connection began to arc causing enough heat to physically melt the connector and the contact to the thermistor. the problem was obvious but I still followed procedures to check all the components.*** NOTE*** ALWAYS UNPLUG DEVICE FIRST, WITH MICROVAVES, ALWAYS, ALWAYS, DISCHARGE HV CAPICITOR, IT CAN KILL YOU!
just take your time testing components, following your electronic...
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$2.08
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Genuine Lg part
By: Lg
Part Number: 5006W3A019A
$10.58
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$11.64
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$1.06
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Genuine Lg part
By: Lg
Part Number: 6930W1A003G
Microwave overheating or shutting off unexpectedly? This thermostat regulates temperature to prevent damage. A straightforward fix for most DIYers.
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Genuine Lg part
By: Lg
Part Number: 1WZZ81N001A
This hardware washer helps distribute fastener load and maintain proper spacing in your LG appliance. Replacing a missing or worn washer restores secure mounting and alignment, reducing vibration and rattling from loose assemblies.
- Distributes the load of a screw or bolt and protects mating surfaces to maintain alignment
- Helps keep components secure and at the correct spacing
- A damaged or missing washer can lead to loosening, vibration, or rattling during operation
- Ensures correct hardware stack-up during reassembly after service
What's included: 1 customized washer Install notes:
- Disconnect power and shut off water or gas before servicing
- Note the order and orientation of any washers/spacers; take a reference photo
- Use the correct driver or wrench and tighten snugly—do not overtighten
- Replace companion hardware if corroded, stripped, or damaged
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Genuine Lg part
By: Lg
Part Number: 1WSD0400032
A flat washer used with the appliance's fastening hardware to distribute load and reduce wear. Helps maintain secure connections and prevents damage to mating surfaces for reliable operation. What it does:
- Provides an even bearing surface for bolts or screws to prevent pull-through
- Reduces friction and wear between fasteners and housing parts
- Helps keep fasteners tight and resists loosening from vibration
- Commonly used where a smooth, protective spacer is needed
What's included: Washer Install notes:
- Verify correct location and orientation before reassembly
- Use manufacturer-recommended fasteners and torque specifications
- Power off and unplug the appliance before accessing internal components
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Genuine Lg part
By: Lg
Part Number: 1TPL0302018
Mounting screw for ovens, ranges, and microwaves. Secures panels, brackets, and internal components. Replace if stripped, missing, or damaged.
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Genuine Lg part
By: Lg
Part Number: 4B71028B
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Genuine Lg part
By: Lg
Part Number: 4B72944B
This is a wire holder clip used inside a microwave to secure and route internal wiring. It keeps wires organized and safely positioned away from heat sources and moving components. Replace this holder if it is broken or missing, which can allow wires to hang loose and potentially contact hot surfaces or interfere with other parts.
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Genuine Lg part
By: Lg
Part Number: 5300W1S006A
This heater sheath is the metal housing that surrounds and protects the dryer's electric heating element, helping direct heated air into the drum for normal drying. Replaces a damaged or corroded sheath to restore safe, efficient heating. What it does
- Holds and shields the heating element assembly to prevent contact with other components
- Directs airflow around the heating element so the dryer can produce warm air
- Helps maintain proper element alignment and electrical insulation
- Common symptom: dryer runs but produces little or no heat
- Common symptom: visible damage, rust, or burn marks on the element housing
What's included
- One heater sheath (heating element housing) as shown
Install notes
- Disconnect power (unplug or switch off breaker) before servicing to avoid electric shock
- Handle the heating element and terminals carefully; sharp edges may be present
- Inspect element, thermal fuse, and wiring while the cabinet is open; replace only confirmed faulty parts
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Genuine Lg part
By: Lg
Part Number: 0CE2272H638
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Genuine Lg part
By: Lg
Part Number: 0CZZW1H001X
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Genuine Lg part
By: Lg
Part Number: 0RD1000G608
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Genuine Lg part
By: Lg
Part Number: 0RD1001F608
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Genuine Lg part
By: Lg
Part Number: 0RD1001G608
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Genuine Lg part
By: Lg
Part Number: 0RD1002F608
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Genuine Lg part
By: Lg
Part Number: 0RD1003F608
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