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GM 15878845
Motor Mount

2007-2009 GM

Customer Questions & Expert Answers (12)
GM 15878845 Motor Mount
  • Part Description
    Mount Assembly-Engine; Engine Mount Bracket
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number15878845
    Part DescriptionMount Assembly-Engine; Engine Mount Bracket
    Other NamesMount, Engine Mount Dampening; Mount, Engine Mounting
    Item Dimensions8.0 x 7.4 x 7.3 inches
    Item Weight6.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU15878845
    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 Trim Engine
    2007-2009 Chevrolet Silverado 1500Hybrid, LT, LTZ8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    2007-2009 Chevrolet Silverado 2500 HDLT, LTZ, WT8 Cyl 6.0 L GAS
    2007-2009 Chevrolet Silverado 3500 HDLT, LTZ, WT8 Cyl 6.0 L GAS
    2007-2009 GMC Sierra 1500Denali, Hybrid, SLE, SLT8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2009 GMC Sierra 2500 HDSLE, SLT, WT8 Cyl 6.0 L GAS
    2007-2009 GMC Sierra 3500 HDSLE, SLT, WT8 Cyl 6.0 L GAS
  • Customer Questions & Expert Answers

    Q:
    Is this 15878845 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15878845 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done after tightening the engine mount to engine bolts for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Lower the engine until the mount is flush on the frame, then remove the adjustable jack.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What should be done if the engine mount side bracket is equipped for the 2008 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the engine mount side bracket bolts and the bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What is the final step in the installation process for the 2008 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the transmission mount to crossmember nut, tightening it to 40 N.m (30 lb ft), and then lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Motor And Transmission Mount
    Q:
    What should be reinstalled after securing the engine mount for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Reinstall the starter motor and the two lower engine mount to engine bolts, tightening them to 50 N.m (37 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What should be applied to the bolts before installing them for the 2009 Chevrolet Silverado 1500? Posted by Customer
    A:
    Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What is the final step in the process for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Lower the vehicle and install the engine mount to engine mount bracket bolts, tightening them to 65 N.m (48 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    How should the bolts be prepared before installation for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Clean the threads of the bolts with denatured alcohol or an equivalent and allow them to dry.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    How do you raise the engine for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Use an adjustable jack on the square tab at the rear of the engine block, which requires removing the starter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What should be done after removing the engine mount bolts for the 2008 GMC Sierra 1500? Posted by Customer
    A:
    Raise and suitably support the vehicle, then remove the oil pan skid plate bolts and the plate.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Engine Mount
    Q:
    What should be removed to access the transmission mount for the 2008 GMC Sierra 1500? Posted by Customer
    A:
    Remove the transmission mount to the transmission support retaining nut or nuts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Motor And Transmission Mount
    Q:
    What is the next step after removing the old transmission mount for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Position the new transmission mount and install the transmission mount to transmission bolts, tightening them to 50 Nm (37 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Motor And Transmission Mount
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 15878845, Excellent Performance and Perfect Fitment

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