Interior Tail Light Semi-Assembly 81591-78021 for Lexus NX Series
8159178021 - 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 | $83.97 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 8159178021 | 8159178020 |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
The genuine Lexus interior Tail Light Semi-Assembly (Left), OE 81591-78021, warns traffic behind that the vehicle is braking and marks its rear position. It fits LEXUS NX SERIES, built from 2014 onwards. Alternative part numbers recorded for it include 8159178020.
Send your VIN or OE number and we will quote wholesale with worldwide export shipping.
Technical Specifications
| OE Number | 8159178021 |
| Part Name | Interior Tail Light Semi-Assembly (Left) |
| Brand | Toyota |
| Position | Rear left, inner |
| Type | Lens and body, rear lamp (interior tail light semi-assembly LH) |
| Weight | 1.100 kg |
| Length | 430 mm |
| Width | 180 mm |
| Height | 210 mm |
Questions and Answers
Which Toyota or Lexus models and years does 81591-78021 cover?
81591-78021 fits LEXUS NX SERIES, built from 2014 onwards. Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
Which chassis codes does 81591-78021 cover?
Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
What size is 81591-78021?
81591-78021 measures 430 mm long, 180 mm wide, and 210 mm high.
How can I verify that 81591-78021 is a genuine Toyota part?
Three checks confirm a genuine Interior Tail Light Semi-Assembly (Left): the box label shows the ten-character number 81591-78021 alongside the country-of-origin marking; the connector has the factory-keyed pin count and latch geometry that only one position on the harness accepts; and the OE supplier’s mark is moulded or etched on the component next to the Toyota number (DENSO on coils and sensors). Commercial invoice, packing list and Certificate of Origin can be provided for any shipment.
Is 81591-78021 a front or rear part?
This part is listed for the Rear left, inner position.
How many pieces are needed for 81591-78021?
You get one piece per position – check the quantity required for your application.
Is 81591-78021 the same part across different markets?
This Lexus number 81591-78021 is unified across markets; if another catalog shows a different number for the same function, that number is the superseded one – confirm before dispatch.
Is there anything I need to know before installing this part?
Worth knowing first: Compare the number on the part with your invoice before installation, and follow the torque values in the service manual.
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