Compressor Damper
See part 550140 in the diagram
Part # 4984AR4390B·LG·AC

Compressor Damper

The 4984AR4390B is a compressor damper for LG ac. Professional installation recommended. Compare prices from top sellers.

Professional Repair

Fits LG appliances

LG

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3 stores · Updated May 18, 2026
ApplianceParts ProLowest
$3.05
4.8(21.9k)Preorder
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Part Advantage
$3.11
4.8(728)Preorder
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PartSelect
$8.35
4.5(13.6k)Preorder
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4984AR4390B is an original equipment manufactured (OEM) part. Enhance the performance of your LG air conditioning unit with this high-quality compressor damper. Designed specifically for LG Electronics appliances, this essential component ensures optimal functionality by minimizing vibrations and noise during operation. The durable construction of this part guarantees longevity, making it a reliable choice for maintaining your air conditioner's efficiency. With part type classification as a compressor and sealed system, it seamlessly integrates into your existing system, providing hassle-free installation. Ideal for anyone looking to restore or improve their air conditioning system, this compressor damper promises to deliver the reliability and performance that LG is known for. Keep your environment comfortable and enjoyable all year round.

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Common Problems This Part Fixes

Not cooling
Noisy operation
Freezing up

Repair difficulty: Professional - sealed system - professional installation recommended

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