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Chevrolet 15854940 Motor Mount

2007-2013 Chevrolet Silverado

Customer Questions & Expert Answers (3)
15854940 GM Motor Mount Product Photo 1 of 3
  • Part Description
    Mount Assembly - Engine
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number15854940
    Part DescriptionMotor Mount; Mount Assembly - Engine
    Item Dimensions9.3 x 8.2 x 6.2 inches
    Item Weight21.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU15854940
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2007-2013 Chevrolet Silverado8 Cyl 5.3L, 8 Cyl 5.3L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 15854940 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you do to replace the Motor And Transmission Mount for the 2009 Chevrolet Silverado? Posted by Tariana C.
    A:
    To replace the mount, remove the fasteners attaching it to the crossmember and transmission, raise the transmission slightly with a jack, and remove the mount. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Nov 16, 2022
    Q:
    What should be checked for in terms of relative movement of the Engine Mount for the 2011 GMC Sierra? Posted by Jonhose H.
    A:
    Relative movement between the mount plates and the engine or frame should be checked. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Sep 20, 2025

Genuine GM Part 15854940, the Right Choice

To ensure reliability, purchase GM part # 15854940 Motor Mount. It is sometimes referred to as Chevrolet Engine Mount, Chevrolet Motor And Transmission Mount. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado models.

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