Compressor Damper
See part 550140B in the diagram
Part # 4H00637A·LG·AC

Compressor Damper

The 4H00637A is a compressor damper for LG ac. Professional installation recommended. Compare prices from top sellers.

Replaces: 1340886
Professional Repair

Fits LG appliances

LG

Does this part fit my model?

Need help?

Price Comparison

4 stores · Updated May 15, 2026
Part AdvantageLowest
$3.11
4.8(728)Preorder
Go to Store
RepairClinic
$3.66
4.4(3.1k)Preorder
Go to Store
PartSelect
$8.35
4.5(13.6k)Preorder
Go to Store
ApplianceParts Pro
$8.56
4.8(21.9k)Preorder
Go to Store

4H00637A is an original equipment manufactured (OEM) part. Enhance the performance of your LG air conditioning system with this essential compressor damper. Designed specifically for seamless compatibility with LG models, this component plays a critical role in stabilizing compressor operation, ensuring optimal cooling efficiency and noise reduction. As part of LG's high-quality sealed system, the damper contributes to the longevity of your AC unit, helping maintain consistent temperature control. Crafted with durability in mind, this part meets rigorous industry standards, providing you peace of mind during installation. Whether you're a professional technician or a DIY enthusiast, you'll appreciate the straightforward installation process. Maintain your HVAC system with a reliable solution that maximizes functionality and enhances your comfort. Trust LG Electronics for quality components that keep your home cool and energy-efficient.

0 reviews

Common Problems This Part Fixes

Not cooling
Noisy operation
Freezing up

Repair difficulty: Professional - sealed system - professional installation recommended

Loading models...