Ls19901a0 Parts

Fix an air conditioner that won't turn on, respond to settings, or cycles incorrectly with this main power control board. Restores electronic controls.

AC won't start or runs intermittently? A failing capacitor causes motor startup issues and cycling problems. Restores reliable operation in 15-30 minutes.

This box-style film capacitor is a replacement electrical filter used on select LG appliance control and motor circuits to suppress interference and stabilize operation. It helps restore proper electrical performance when a film capacitor has failed. What it does:

• Provides noise suppression and transient protection in control and motor circuits
• Helps stabilize voltage supplied to sensitive components
• Commonly replaced when you see intermittent operation, control board errors, or unusual electrical noise
• Prevents further stress to downstream electronics caused by a degraded capacitor

• Disconnect power to the appliance before inspecting or replacing the capacitor
• Handle with care; discharge the capacitor per manufacturer instructions before touching terminals
• Verify polarity and terminal locations match the original part before installation

Replace a failed outdoor fan motor when your air conditioner won't cool or runs constantly. Direct fit for select LG room AC units. Moderate DIY repair.

Overload protector for air conditioners. Installs on the compressor to prevent electrical overload. Replace if cracked, damaged, or missing.

Air conditioner not cooling properly or running constantly? This temperature sensor thermistor monitors internal temps for accurate cooling control.

Fix an air conditioner that won't turn on or respond to controls with this main power control board. Moderately difficult repair requiring basic tools.

Propeller fan assembly circulates air in your air conditioner. Replace if fan wobbles, makes noise, or stops spinning. Verify fit with your model number.

Installation plate assembly for room air conditioners. Secures unit to window frame. Replace if bent, cracked, or missing to properly mount your AC unit.

Motor making unusual noise or overheating? This motor cover assembly protects internal components and ensures proper airflow. Moderate DIY repair.

Fix an air conditioner that won't start or cycles on and off with a new pressure switch. This safety component monitors refrigerant levels. Easy repair.

Air conditioner won't start or trips breaker? This load protector regulates compressor startup current to prevent electrical overload. Simple plug-in install.

Fix an air conditioner that won't start, hums but won't run, or cycles on and off. This start/run capacitor restores normal motor operation. DIY repair.

Replacement discharge grille for room air conditioners. Covers the air outlet opening. Order a new grille if yours is cracked, broken, or missing.