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Toyota 12371-20100 Insulator, Engine Mounting, Rear

2003-2007 Toyota Highlander 1237120100

Customer Questions & Expert Answers (3)
12371-20100 Toyota Insulator, Engine Mounting, Rear Product Photo 1 of 1
  • Part Description
    Insulator, Engine Mounting, Rear
  • Part Name Code
    12371A
  • Comment
    (FOR TRANSVERSE ENGINE)
  • Position
    Rear
  • Replaced By
    12371-0A050
  • Manufacturer
    Toyota
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Toyota
    Part Name Code12371A
    Manufacturer Part Number12371-20100
    Part DescriptionInsulator, Engine Mounting, Rear
    Item Dimensions15.8 x 11.4 x 3.2 inches
    Item Weight3.20 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerToyota
    SKU12371-20100
    WarrantyThis genuine Toyota part is covered by warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Trim & Engine Important vehicle option details
    2003-2007 Toyota Highlander4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.3L1MZFE, 2AZFE, 3MZFE; ACU20L-BRPNKA, ACU20L-BWPNKA, ACU25L-BRPNKA, ACU25L-BWPNKA, MCU20L-BWPNKA, MCU23L-BRANKA, MCU23L-BWANKA, MCU25L-BWPNKA, MCU28L-BRANKA, MCU28L-BWANKA
  • Customer Questions & Expert Answers

    Q:
    Does it fit my car?
    A:
    You can Select Your Vehicle to check if 12371-20100 fits your vehicle.
    Posted and answered by Toyota Parts Specialist Curt
    Q:
    What should be done on the 2006 Toyota Highlander regarding the Engine Mount? Posted by Eliazar G.
    A:
    On these models, disconnect the electrical connectors at the front engine mount before removing the mounting nuts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Toyota Parts Specialist Ray / Mar 02, 2026
    Q:
    How do you install the new driver's side Engine Mount and transaxle mount for the 2003 Toyota Highlander? Posted by Madeline Z.
    A:
    Installation is the reverse of the removal. Use thread-locking compound on the bolts and ensure they are tightened securely. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Toyota Parts Specialist Timur / Jan 28, 2025

Genuine Toyota Part 12371-20100, the Right Choice

Get the reliability of purchasing Toyota part # 12371-20100 Insulator, Engine Mounting, Rear. It is also referred to as Engine Mount. The first option should always be to use OEM parts. Toyota manufactures these components with high quality material and rigorously tested with high reliability and durability. This part fits 2003-2007 Highlander.

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