Stock photo — may not be the exact part. Verify by part number before ordering.LG ABW74052403 Chassis Assembly – 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 ABW74052403 is the genuine LG chassis assembly for LG mini split systems. LG lists it for 12 models across mini split systems, including KNSAC091A, KNSAC091B and KNSAC121A. LG lists ABW74052434 as interchangeable with ABW74052403. LG lists ABW74052436 as a substitute for ABW74052403; this is a one-way substitute, not a two-way interchange.
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 ABW74052403 for the models below. Enter your model and serial in the fit checker to confirm against LG's service notices.
KNSA models
LSN0 models
LSN1 models
S3NW models
- S3NW09JA33B
- S3NW09JA33C
- S3NW09JAY3B
- S3NW12JA33B
- S3NW12JA33C
S4NW models
- S4NW09JA3AB
- S4NW09JA3AC
- S4NW12JA3AB
- S4NW12JA3AC
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 ABW74052403 fit?
LG lists ABW74052403 for: KNSAC091A, KNSAC091B, KNSAC121A, KNSAC121B, KNSAE091A, KNSAE121A, LSN090HEV2, LSN090HFV3, LSN090HXV2, LSN120HEV2, LSN120HFV3, LSN120HXV2, S3NW09JA33B, S3NW09JA33C, S3NW09JAY3B, S3NW12JA33B, S3NW12JA33C, S4NW09JA3AB, S4NW09JA3AC, S4NW12JA3AB, S4NW12JA3AC. Use the fit checker on this page with your model and serial to confirm against LG's service notices.
What part numbers are interchangeable with ABW74052403?
LG lists ABW74052434 as interchangeable with ABW74052403. If the part in your unit carries any of those numbers, ABW74052403 is the current part.
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 ABW74052403 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 ABW74052403 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?
ABW74052403 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.