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Parts for Lg LSUC121PMA / AMTAEUS: Section 1 Parts

Section 1
Air Conditioner

Parts for Lg LSUC121PMA / AMTAEUS: Section 1 Parts

Location on Diagram
Part Description
Price & Availability
W0CZZ
Product photo
By: Lg

This capacitor helps the appliance motor start and run smoothly by storing and releasing electrical energy as needed. Replacing a failing capacitor restores proper motor performance and can stop intermittent operation. What it does:

  • Provides the electrical phase shift needed for the motor to start and maintain rotation
  • Commonly linked to symptoms such as humming, motor not starting, intermittent spin, or reduced performance
  • Supports stable motor operation under load to prevent stalling
  • Works as a direct-fit electrical component when matching the correct part number
What's included:
  • One capacitor
Install notes:
  • Disconnect power to the appliance before servicing to avoid shock
  • Discharge the capacitor before handling; use insulated tools and follow safety procedures
  • Inspect wiring and connectors for damage and replace any faulty harnesses

More
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

W4986
By: Lg
$6.64
Compare At:
$7.30
You Save:
$0.66

Out Of Stock

Usually ships within 4 - 14 days

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135500
By: Lg
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

268711F
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

349480
By: Lg
$25.62
Compare At:
$30.74
You Save:
$5.12

Out Of Stock

Usually ships within 4 - 14 days

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349600
$22.63
Compare At:
$22.76
You Save:
$0.13

Out Of Stock

Usually ships within 4 - 14 days

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430411
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

435301
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

435511
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

437211
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

437212
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

546810
$113.95
Compare At:
$135.60
You Save:
$21.65

IN STOCK
Ships Today Guaranteed
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550140
Product photo
5.0 (1)
By: Lg

This isolator routes microwave energy between the magnetron and waveguide to help protect components and maintain consistent heating performance. Replacing a failed isolator can restore reliable cooking and help prevent further high-voltage damage. What it does:

  • Directs RF energy from the magnetron into the waveguide/cavity
  • Helps protect the magnetron by reducing reflected energy
  • Aids in preventing arcing or burn damage in the waveguide area
  • Common symptoms of failure: no heat or uneven heating, loud humming/buzzing, visible arcing/burn marks near the waveguide
What's included:
  • 1 isolator
Install notes:
  • Disconnect power and discharge the high-voltage capacitor before servicing; risk of electric shock
  • Handle waveguide components carefully; avoid contaminating RF surfaces and note exact orientation
  • Take photos of the original setup to match positioning and fastener locations

More
$8.95
Compare At:
$10.74
You Save:
$1.79

IN STOCK
Ships Today Guaranteed
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552111
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

552203A
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

552203A
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

552203B
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

552203B
$21.52
Compare At:
$25.61
You Save:
$4.09

Out Of Stock

Usually ships within 4 - 14 days

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552203B
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

552203A
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

554031
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

554160
By: Lg
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

559010
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

567502
Product photo
$14.72
Compare At:
$17.66
You Save:
$2.94

Out Of Stock

Usually ships within 4 - 14 days

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649950
Not available

This part is discontinued by the manufacturer and is no longer available for purchase.

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