Standard Ignition DWS2039 Door Window Switch - Front Left

Brand Standard Ignition DWS2039
Position Front Left
Attachment Method Bolt On
Color Black
Connector Gender Female
Connector Shape Rectangular
Contents Switch
Finish Plastic
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Lexus · 31 vehicles

Bolt-on installation. Simple replacement with a single rectangular connector.

Black plastic finish. Durable look that blends cleanly with the interior.

12-volt switch. Built for standard electrical systems with blade terminals.

Cross-references Standard Ignition DWS2039, 840400E030 and PA4909 for the same application. See all 4.

$558.74Free shipping
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Order total $558.74
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Free returns within 60 days if it doesn't fit when fitment is verified.

Front Left Door Window Switch for Lexus

Restore driver-side window control with this Standard Ignition door window switch, part number DWS2039. It is a 12-volt, bolt-on replacement with a black plastic finish and a rectangular single-connector design for direct service on select Lexus models.

  • Standard Ignition DWS2039 door window switch
  • 12-volt electrical switch for front left door operation
  • Female connector with male blade terminals
  • Rectangular 1-connector layout for a clean OE-style fit
  • Black plastic finish with bolt-on attachment method
  • Terminal quantity: 20

This door window switch is used to restore power window control at the driver’s door on Lexus IS300, IS350, IS200t, IS250, RX350, and RX450h applications. Standard Ignition DWS2039 is built with a female connector, male blade terminals, and a bolt-on mounting style to match the original switch location on the front left door.

This part cross-references OE-style numbers such as 840400E030 and PA4909 for the same application.

Vehicle Fitment

  • Fits 2016-2023 Lexus IS300, front left.
  • Fits 2014-2020 Lexus IS350, front left.
  • Fits 2016-2017 Lexus IS200t, front left.
  • Fits 2014-2015 Lexus IS250, front left.
  • Fits 2014-2015 Lexus RX350, front left.
  • Fits 2011-2012 Lexus RX350, front left.
  • Fits 2014-2015 Lexus RX450h, front left.
  • Fits 2011-2012 Lexus RX450h, front left.
  • Fits 2013 Lexus RX350, front left. Does not work with vehicles equipped with power folding mirrors.
  • Fits 2010 Lexus RX350, front left. Does not work with vehicles equipped with power folding mirrors.
  • Fits 2013 Lexus RX450h, front left. Does not work with vehicles equipped with power folding mirrors.
  • Fits 2010 Lexus RX450h, front left. Does not work with vehicles equipped with power folding mirrors.

Installation Notes

Verify the connector shape, terminal count, and front left door location before installation. This switch uses a bolt-on attachment method and a rectangular connector, so matching the original electrical layout is important for proper operation. On 2010 and 2013 Lexus RX350 and RX450h models, confirm the vehicle is not equipped with power folding mirrors.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and DWS2039 is specified with OE-style connector and terminal details to support accurate fitment on the listed Lexus vehicles.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2023LexusIS300Front Left—
2022LexusIS300Front Left—
2021LexusIS300Front Left—
2020LexusIS300Front Left—
2020LexusIS350Front Left—
2019LexusIS300Front Left—
2019LexusIS350Front Left—
2018LexusIS300Front Left—
2018LexusIS350Front Left—
2017LexusIS200tFront Left—
2017LexusIS300Front Left—
2017LexusIS350Front Left—
2016LexusIS200tFront Left—
2016LexusIS300Front Left—
2016LexusIS350Front Left—
2015LexusIS250Front Left—
2015LexusIS350Front Left—
2015LexusRX350Front Left—
2015LexusRX450hFront Left—
2014LexusIS250Front Left—
2014LexusIS350Front Left—
2014LexusRX350Front Left—
2014LexusRX450hFront Left—
2013LexusRX350Front LeftDoes not work with vehicles equipped with power folding mirrors.
2013LexusRX450hFront LeftDoes not work with vehicles equipped with power folding mirrors.
2012LexusRX350Front Left—
2012LexusRX450hFront Left—
2011LexusRX350Front Left—
2011LexusRX450hFront Left—
2010LexusRX350Front LeftDoes not work with vehicles equipped with power folding mirrors.
2010LexusRX450hFront LeftDoes not work with vehicles equipped with power folding mirrors.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — DWS2039840400E030PA4909WST2139