Front Door Window Switch Left 84040-0P021 for Toyota Land Cruiser Prado
840400P021 - 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 |
|---|---|---|
| FAW Toyota | $53.05 | Check Better Price |
| Imported Toyota | $48.21 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 840400P021 | 840400P020 |
| - | 840400P021 | 840400N020 |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
This is a genuine Toyota OEM front Door Window Switch (Left), OE 84040-0P021, which raises and lowers the door glass. It fits LAND CRUISER PRADO, CROWN (CHINA) and REIZ, built from 2009 to 2010. 2 interchangeable part numbers are listed, including 84040-0P020 and 84040-0N020.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 840400P021 |
| Part Name | Switch |
| Brand | Toyota |
| Position | Front Left (Driver Side) |
| Type | Master Switch Assy, Multiplex Network (Front Left Window Master Switch) |
OE Cross-Reference
| 84040-0P020 | Toyota |
| 84040-0N020 | Toyota |
Questions and Answers
Which Toyota or Lexus models and years does 84040-0P021 cover?
84040-0P021 fits LAND CRUISER PRADO, CROWN (CHINA) and REIZ, built from 2009 to 2010. Chassis codes include GRJ150L-GKA*KC, GRJ152, TRJ150L-GK*EKC, TRJ152, GRS20#, UZS200, GRX13#.
Which chassis codes does 84040-0P021 cover?
Chassis codes include GRJ150L-GKA*KC, GRJ152, TRJ150L-GK*EKC, TRJ152, GRS20#, UZS200, GRX13#.
What is the cross-reference for 84040-0P021?
2 numbers interchange with 84040-0P021, including 84040-0P020 (Toyota), 84040-0N020 (Toyota).
How can I verify that 84040-0P021 is a genuine Toyota part?
To verify this Front Door Window Switch (Left), look for the ten-character number 84040-0P021 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 84040-0P021 installed on the vehicle?
It is fitted in the Front Left (Driver Side) position.
How many pieces are needed for 84040-0P021?
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. These are the aftermarket equivalents you may also see quoted.
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