Blower wheel bearing
Replaces 4280A20004A
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Power control board
A dead display or random faults can come from the control board.
Condenser fan blade
A noisy or stopped fan means poor airflow and uneven temperatures.
Knob
Knobs and handles break with daily use.
Indoor fan motor
A noisy or stopped fan means poor airflow and uneven temperatures.
1Wheel bearing4280A20004M
2Control board6871A00086B
3Fan blade5901A20051A
4Knob4940A30037APart numbers come from the Sears PartsDirect parts list for the LG LP126CD3A (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Remove the access panel: the label is inside the unit.