Microwave Venting Weak or Greasy Odours Lingering? Grease Filter 5230W1A012G – Restore Airflow & Protect Your Fan Motor Fast

If your LG over-the-range microwave is venting poorly, producing lingering cooking odours, or the grease filter looks dark, clogged, or saturated with grease buildup, it’s time to replace the grease filter. In most LG over-the-range microwaves, the grease filter sits beneath the unit and captures airborne grease particles before they reach the fan motor and blower. When it becomes clogged, airflow drops dramatically — the fan works harder, the motor runs hotter, and cooking odours recirculate back into the kitchen instead of being exhausted. ⚡ Common maintenance item in LG LMV and LMH series over-the-range microwaves — recommended replacement every 6–12 months depending on cooking frequency. Part 5230W1A012G is the genuine OEM replacement that restores full ventilation airflow, eliminates grease-saturated odours, and protects the fan motor from premature failure.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

• ✔ Microwave powers on and heats normally
• ✔ Fan/vent motor runs when activated
• ✔ Vent hood is properly installed and ducting (if applicable) is clear
• ✔ Problem is weak airflow, persistent cooking odours, or a visibly clogged/greasy filter

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

• Weak suction — fan runs but barely moves air or smoke during cooking
• Cooking odours linger in the kitchen long after the meal is done
• Grease filter visibly dark, saturated, or dripping with grease buildup
• Fan motor running louder than normal — straining against restricted airflow
• Grease or moisture dripping from the underside of the microwave during cooking

✔ If these symptoms match, a clogged or failed grease filter is the most likely cause.

✔ In most cases, replacing this grease filter immediately restores full ventilation performance.

📦 Part Details

• Part Number: 5230W1A012G
• Type: Microwave Grease Filter — OEM LG replacement
• Brand: LG
• Application: Over-the-Range Microwave Ventilation
• Replacement Interval: Every 6–12 months or when visibly saturated

⚙️ Installation

Skill Level: EASY — 2–5 minutes. No tools required. Disconnect power before servicing. The grease filter slides or snaps into the underside of the microwave — no tools required on most LG models. Grip the filter tab, slide it toward you, and lower it out of the slot. Slide the new filter into the same slot until it clicks or seats flush. Restore power and run the fan to confirm normal airflow.

✓ Compatible Models

Confirmed compatible with LMV1683ST, LMV1683SW, LMV1683SB, LMV1764ST, LMV1813ST, LMV1813SB, LMV1813SW, LMV1852ST, LMV1852SW, LMV2015ST, LMV2015SB, LMV2015SW, LMV2031ST, LMV2053ST, LMV2055ST, LMV2081ST, LMV2081SB, LMV2081SW, LMH2016ST, LMH2016SB, LMH2016SW, LMH2235ST, LMH2235SB, plus additional LG over-the-range microwave models. Contact us to verify your model number before ordering.

💡 Pro Tip