Thermostat control board
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Blower wheel bearing
Replaces 4280A20004A
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Valve
Slow filling, no water or no ice can trace back to this valve.
Central air conditioner run capacitor
A motor that hums but won't start often needs a new capacitor.
Condenser fan blade
A noisy or stopped fan means poor airflow and uneven temperatures.
Knob
Knobs and handles break with daily use.
1Control board6871A00086A
2Wheel bearing4280A20004M
3Valve5220A30006A
4Run capacitor3H00660CPart numbers come from the Sears PartsDirect parts list for the LG LP070HED (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.