Stock photo — may not be the exact part. Verify by part number before ordering.LG MDS63978804 Sound Insulation – Multi V and mini split system
Not sure it's the right part? Check it against your unit or send us the model and serial — help@totalhvacparts.com or 302-219-4994.
Overview
LG MDS63978804 is the genuine LG sound insulation for LG Multi V and mini split systems. LG lists it for 5 models across Multi V and mini split systems, including ARUN024GSS4, ARUN038GSS4 and ARUN053GSS4. LG lists MMC00280407 as a substitute for MDS63978804; this is a one-way substitute, not a two-way interchange.
For R-410A systems. Check the model number on your unit's rating plate against the fit list on this page before ordering.
Fits These LG Units
LG lists MDS63978804 for the models below. Enter your model and serial in the fit checker to confirm against LG's service notices.
A5UW models
- A5UW36GFH0
A8UW models
- A8UW60GFA0
ARUN models
LMU3 models
LMU6 models
Specifications
After You Order
Order number and confirmation by email the moment you check out.
In stock - ships the same or next business day, Monday–Friday. Tracking follows by email the moment it leaves.
Tracking number lands in your inbox the moment it leaves the building.
Check the part number on the label against your order before installing. Wrong or damaged? Tell us — we'll sort it out.
Ask the Parts Desk
Not sure this fits? Need more than what's in stock? Send the model and serial from the unit's data plate — a real person reads it and confirms before you order.
Common Questions
What LG models does MDS63978804 fit?
LG lists MDS63978804 for: A5UW36GFH0, A8UW60GFA0, ARUN024GSS4, ARUN038GSS4, ARUN053GSS4, LMU360HHV, LMU600HV. Use the fit checker on this page with your model and serial to confirm against LG's service notices.
Is the stock number on this page real?
Yes. The stock line on this page comes from LG's parts stock feed plus our own warehouse count, not an estimate. "In Stock - Ships Same or Next Business Day" means MDS63978804 is on hand and leaves within one business day of your order, Monday–Friday.
Is this a genuine LG part, or aftermarket?
Genuine LG OEM equipment sourced through LG's authorized parts program — not an aftermarket substitute.
How do I confirm this fits my unit?
Match part number MDS63978804 to your unit's parts diagram. If unsure, send us your model and serial number and we'll verify before you order.
What's the warranty on this part?
Warranty terms vary by manufacturer. Contact us with your order number for details specific to this part.
How fast does this ship?
MDS63978804 ships the same or next business day, Monday–Friday, with tracking by email. Standard ground delivers to most of the continental US in 2–5 business days.
Does everything ship UPS or FedEx Ground?
Most orders ship UPS or FedEx Ground. A small number of large or heavy parts across the catalog ship by truck freight instead, and we reach out to arrange a delivery window before those orders leave the warehouse. Oversized items that ship by truck freight are also covered by free standard shipping on orders of $50 or more.
Enter the model number from your unit's data tag. Add the serial number too and we'll check it against LG's service notices for this part.