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Make sure this part fits

Lexus 12305-31080 Insulator Sub-Assembly

2016-2022 Lexus 1230531080

Customer Questions & Expert Answers (3)
12305-31080 Lexus Insulator Sub-Assembly Illustration 1 of 1
12305-31080 Lexus Insulator Sub-Assembly Illustration 1 of 1
  • Part Description
    Insulator Sub-Assy, Engine Mounting, RH
  • Part Name Code
    12305
  • Position
    Passenger Side
  • Replaced By
    12305-0P020
  • Manufacturer
    Lexus
Make sure this part fits
$222.62 MSRP: $301.05
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  • Specifications
  • Fitment
  • Q&A

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine Lexus
    Part Name Code12305
    Manufacturer Part Number12305-31080
    Part DescriptionInsulator Sub-Assy, Engine Mounting, RH
    PositionPassenger Side
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerLexus
    SKU12305-31080
    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
    2016-2022 Lexus RX350STD|6 Cyl 3.5L2GRFXS; GYL25L-AWXGBA
    2018-2022 Lexus RX350L6 Cyl 3.5L2GRFXS; GYL26L-ARXGBA
    2016-2022 Lexus RX450hSTD|6 Cyl 3.5L2GRFXS; GYL25L-AWXGBA
    2018-2022 Lexus RX450hL6 Cyl 3.5L2GRFXS; GYL26L-ARXGBA

  • Customer Questions & Expert Answers

    Q:
    I just want to confirm that this is the part I need to replace.
    A:
    You can Select Your Vehicle to check if 12305-31080 fits your vehicle.
    Posted and answered by Lexus Parts Specialist Bernardo
    Q:
    What safety warning should be observed during this process regarding the Engine Mount for the 2019 Lexus RX350? Posted by Norval M.
    A:
    DO NOT place any part of your body under the engine when it's supported only by a jack! You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Lexus Parts Specialist Tommy / May 23, 2025
    Q:
    Do powertrain mounts, including the Engine Mount, require regular attention for the 2017 Lexus RX350? Posted by Margaret K.
    A:
    Powertrain mounts seldom require attention, but broken or deteriorated mounts should be replaced immediately to prevent damage or wear on driveline components. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Lexus Parts Specialist Gregg / May 23, 2023

Genuine Lexus Part 12305-31080, the Right Choice

Getting part # 12305-31080 Insulator Sub-Assembly helps restore factory performance. It is also referred to as Engine Mount. This part works with 2016-2022 RX350, 2016-2022 RX450h, 2018-2022 RX350L, 2018-2022 RX450hL. 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 1230531080 Insulator Sub-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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