Light Switch 84140-78010 for Lexus LM350
8414078010 - 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 | $60.13 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
OE 84140-78010 is the genuine Lexus OEM light switch that turns the vehicle lighting on and off. It fits LEXUS LM350/LM300H, LEXUS LX450D/460/570, LEXUS LX450D/570, LEXUS NX SERIES, LEXUS RX SERIES and LEXUS RX450HL/350L, built from 2007 to 2020. It is fitted in the Steering column position.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 8414078010 |
| Part Name | Switch |
| Brand | Toyota |
| Position | Steering column |
| Type | Switch assembly, headlamp dimmer (combination light switch) |
Questions and Answers
Which Toyota or Lexus models and years does 84140-78010 cover?
84140-78010 fits LEXUS LM350/LM300H, LEXUS LX450D/460/570, LEXUS NX SERIES, LEXUS RX SERIES and LEXUS RX450HL/350L, built from 2007 to 2020.
How can I verify that 84140-78010 is a genuine Toyota part?
To verify this Light Switch, look for the ten-character number 84140-78010 on the box label together with the country-of-origin marking, then check that the connector face shows no moulding flash and the latch closes with a crisp detent, and that the OE supplier’s mark is moulded or etched on the component next to the Toyota number (DENSO on coils and sensors). We can provide the invoice, packing list and CoO for any order.
Where is 84140-78010 installed on the vehicle?
It is fitted in the Steering column position.
How many pieces are needed for 84140-78010?
You get one piece per position – check the quantity required for your application.
Is there anything I need to know before installing this part?
Worth knowing first: Disconnect the battery negative terminal first and avoid touching the connector pins.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part differs in ways that show up in service: the factory-keyed connector plugs straight into your harness with no adapters or rewiring, and the unit is calibrated to the factory signal range, so the ECU reads it without fault codes.
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