Stock photo — may not be the exact part. Verify by part number before ordering.LG 6871A20554F Sub PCB Assembly – Multi V indoor unit
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 6871A20554F is the genuine LG sub PCB assembly for LG Multi V indoor units. LG lists it for 2 models across Multi V indoor units, including ARNU363DDA4 and ARNU363DDB4.
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 6871A20554F for the models below. Enter your model and serial in the fit checker to confirm against LG's service notices.
ARNU 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 6871A20554F fit?
LG lists 6871A20554F for: ARNU363DDA4, ARNU363DDB4. 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 6871A20554F 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 6871A20554F 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?
6871A20554F 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.