Headlamp semi-assembly (left) 81185-08040 for Toyota Sienna
8118508040 - 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 |
|---|---|---|
| Imported Toyota | $177.01 | Check Better Price |
| Lexus | $176.48 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 8118508040 | 8117008040 |
Compatible Models
Vehicle models currently mapped to this OE part.
| # | Brand | Model |
|---|---|---|
| 1 | Toyota | Toyota - United States/Canada - Senna: SIENNA - 201001 - 202009 - ASL30,GSL3 |
Product Overview
The genuine Toyota headlamp semi-assembly (left), OE 81185-08040, forms the front lamp and puts light on the road ahead. It fits SIENNA, built from 2010 onwards. One cross-reference number applies here: 8117008040.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 8118508040 |
| Part Name | Headlamp semi-assembly (left) |
| Brand | Toyota |
| Position | Front Left (Driver Side) |
| Type | Headlamp Semi-Assembly |
| Weight | 10.30 lbs |
| Dimensions | 30.6 x 13.4 x 10.5 in |
| Light Design | HID (Discharge) |
OE Cross-Reference
| 8117008040 | Toyota |
Questions and Answers
Which Toyota or Lexus models and years does 81185-08040 cover?
81185-08040 fits SIENNA, built from 2010 onwards. Chassis codes include ASL30, GSL3#.
Which chassis codes does 81185-08040 cover?
Chassis codes include ASL30, GSL3#.
What is the cross-reference for 81185-08040?
1 numbers interchange with 81185-08040, including 8117008040 (Toyota).
How can I verify that 81185-08040 is a genuine Toyota part?
A genuine Headlamp Semi-Assembly (Left) shows the Toyota number 81185-08040 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 81185-08040 a front or rear part?
This part is listed for the Front Left (Driver Side) position.
How many pieces are needed for 81185-08040?
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 surface finish follows the original specification so it looks factory. These are the aftermarket equivalents you may also see quoted.
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