Compressor Damper
See part 550140 in the diagram
Part # 5040A30017B·LG·AC

Compressor Damper

The 5040A30017B is a compressor damper for LG ac. Professional installation recommended. Compare prices from top sellers.

Replaces: 1268009
Professional Repair

Fits LG appliances

LG

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Price Comparison

4 stores · Updated May 16, 2026
Part AdvantageLowest
$3.11
4.8(728)Preorder
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RepairClinic
$3.66
4.4(3.1k)Preorder
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ApplianceParts Pro
$6.64
4.8(21.9k)Preorder
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PartSelect
$8.35
4.5(13.6k)Preorder
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5040A30017B is an original equipment manufactured (OEM) part. Enhance the performance of your air conditioning system with the LG Air Conditioner Compressor Damper, designed specifically for LG appliances. This high-quality component plays a crucial role in maintaining optimal airflow and efficiency within your unit. Crafted to meet rigorous standards, it ensures that your AC operates smoothly and quietly. Ideal for repairs or upgrades, the compressor damper helps regulate the refrigerant flow, contributing to a cooler indoor environment. Its durable construction promises long-lasting reliability, making it a smart choice for any HVAC technician or DIY enthusiast. Compatible exclusively with LG brand units, this part is easy to install and is essential for anyone looking to keep their air conditioning system in peak condition. Maintain your AC with this dependable part and enjoy enhanced cooling comfort.

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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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