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Make sure this part fits

Lexus 84140-30310 Headlamp Dimmer Switch Assembly

2007-2009 Lexus 8414030310

Customer Questions & Expert Answers (2)
84140-30310 Lexus Headlamp Dimmer Switch Assembly Illustration 1 of 1
84140-30310 Lexus Headlamp Dimmer Switch Assembly Illustration 1 of 1
  • Part Description
    Switch Assy, Headlamp Dimmer
  • Part Name Code
    84140
  • Replaced By
    84140-30311
  • Manufacturer
    Lexus
Make sure this part fits
$242.65 MSRP: $328.15
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  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine Lexus
    Part Name Code84140
    Manufacturer Part Number84140-30310
    Part DescriptionSwitch Assy, Headlamp Dimmer
    Item Dimensions8.4 x 4.4 x 3.6 inches
    Item Weight1.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerLexus
    SKU84140-30310
    WarrantyThis genuine Lexus part is guaranteed by Lexus's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Trim & Engine Important vehicle option details
    2007-2008 Lexus ES3506 Cyl 3.5L2GRFE; GSV40L-BETGKA
    2007-2009 Lexus GS3506 Cyl 3.5L2GRFSE; GRS191L-BETQHA
    2007 Lexus GS4306 Cyl 3.5L2GRFSE; GRS191L-BETQHA
    2008-2009 Lexus GS4606 Cyl 3.5L2GRFSE; GRS191L-BETQHA

  • Customer Questions & Expert Answers

    Q:
    I am trying to confirm fitment.
    A:
    You can Select Your Vehicle to check if 84140-30310 fits your vehicle.
    Posted and answered by Lexus Parts Specialist Luis
    Q:
    What needs to be done after disconnecting the battery cable for the 2008 Lexus ES350, particularly regarding the Turn Signal Switch? Posted by Verified Customer
    A:
    Remove the steering wheel. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Lexus Parts Specialist Tommy / Jan 28, 2026

Genuine Lexus Part 84140-30310, the Right Choice

Getting part # 84140-30310 Headlamp Dimmer Switch Assembly helps restore factory performance. It is also referred to as Dimmer Switch, Headlight Switch, Turn Signal Switch. This part works with 2008-2009 GS460, 2007-2009 GS350, 2007-2008 ES350, 2007 GS430. Purchasing OEM parts for your vehicle should be your top priority. Manufactured by Lexus, they are built to meet high standards and utilize only top-notch materials for decent reliability and durability.

LexusPartsNow.com offers dependable parts and accessories including 8414030310 Headlamp Dimmer Switch Assembly. Visit our website for the most preferential OEM parts online. Each part is backed by the OEM manufacturer warranty, confirming its high level of quality. We deliver all our parts fast and they come with a straightforward return policy.

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