Front Door Window Switch 84040-78030 for Lexus NX Series
8404078030 - Electrical components
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| Lexus | $161.48 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 8404078030 | 8404078010 |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
This is a genuine Lexus OEM front Door Window Switch (Left), OE 84040-78030, which raises and lowers the door glass. Fits LEXUS NX SERIES, built from 2014 onwards. The listing carries one interchangeable number: 84040-78010.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 8404078030 |
| Part Name | Switch |
| Brand | Toyota |
| Position | Front Left (Left / Driver Side) |
| Type | Door Window Switch / Master Switch Assembly |
OE Cross-Reference
| 84040-78010 | Lexus |
Questions and Answers
Which Toyota or Lexus models and years does 84040-78030 cover?
84040-78030 fits LEXUS NX SERIES, built from 2014 onwards. Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
Which chassis codes does 84040-78030 cover?
Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
What is the cross-reference for 84040-78030?
1 numbers interchange with 84040-78030, including 84040-78010 (Lexus).
How can I verify that 84040-78030 is a genuine Toyota part?
A genuine Front Door Window Switch (Left) shows the Toyota number 84040-78030 on the box label with the country-of-origin marking. On the part itself, the OE supplier’s mark is moulded or etched on the component next to the Toyota number (DENSO on coils and sensors); and the connector has the factory-keyed pin count and latch geometry that only one position on the harness accepts. Documentation is available on request – commercial invoice, packing list and Certificate of Origin.
Is 84040-78030 a front or rear part?
This part is listed for the Front Left (Left / Driver Side) position.
How many pieces are needed for 84040-78030?
You get one piece per position – check the quantity required for your application.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part differs in ways that show up in service: the unit is calibrated to the factory signal range, so the ECU reads it without fault codes, and the factory-keyed connector plugs straight into your harness with no adapters or rewiring. These are the aftermarket equivalents you may also see quoted.
What documentation comes with an order?
Commercial invoice and packing list accompany every shipment, and a Certificate of Origin can be issued on request; the part number is laser-etched on the housing, so you can match it against the invoice.
FIND THE RIGHT OE PART
Precision in Every Part. Excellence in Every Price.
Typically replies within 10 mins
Recommended Products
Rear Window Glass Lifter Switch 84030-60023 for Toyota Land Cruiser Prado
Rear Door Window Switch 84030-48070 for Lexus RX300
Front Left Window Switch 84040-62010 for Toyota ALPHARD
Front Door Window Switch 840A0-53020 for Lexus IS
