Make sure this part fits

GM 15128978
Alternator

2005-2007 GM

Customer Questions & Expert Answers (13)
GM 15128978 Alternator
  • Part Description
    Generator
  • Replaces
    10371020
  • Manufacturer
    General Motors
Make sure this part fits
$325.33 MSRP: $609.73
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2005-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2006 Chevrolet Avalanche 1500LS, LT, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2006 Chevrolet Avalanche 2500LS, LT8 Cyl 8.1 L GAS
    2006 Chevrolet Silverado 1500LS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 ClassicLS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 1500 HDLT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    2006 Chevrolet Silverado 2500 HDLS, LT, WT8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 15128978 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 15128978 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the next step after revealing the terminal stud for the 2006 Cadillac Escalade EXT? Posted by Customer
    A:
    Remove the generator cable nut from the terminal stud and take off the generator cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be done after removing the generator cable for the 2006 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Remove the generator bolts and take out the generator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What are the final steps after installing the generator for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Connect the generator electrical connector, reinstall the drive belt, and finally reconnect the negative battery cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    How do you disconnect the generator electrical connector for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Disconnect the generator electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the process for removing the generator cable for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Remove the generator cable nut from the terminal stud and then take off the generator cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the procedure for reattaching the generator cable for the 2006 Chevrolet Suburban 1500? Posted by Customer
    A:
    Install the generator cable and secure the generator cable nut to the terminal stud, tightening it to 9 N.m (80 lb in), then slide the boot over the terminal stud.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be done if the engine sight shield is in the way for the 2005 Chevrolet Tahoe? Posted by Customer
    A:
    Take off the engine sight shield if needed.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What are the last steps to complete the installation for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Secure the air cleaner adapter nut, reconnect the PCV hose, and tighten the air cleaner outlet duct clamp at the MAF/IAT sensor to 4 N.m (35 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    How do you finalize the installation of the air cleaner outlet duct for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Pivot the air cleaner outlet duct downward until the mounting stud fits through the hole.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the first step to replace the generator for the 2005 GMC Yukon? Posted by Customer
    A:
    Disconnect the negative battery cable and remove the accessory drive belt.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    How do you remove the generator cable for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Slide the boot down to reveal the terminal stud, then remove the generator cable nut from the terminal and take off the generator cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What are the final steps after reconnecting the electrical connector for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Reinstall the accessory drive belt, the intake manifold sight shield, and reconnect the negative battery cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Alternator 15128978 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 15128978 Alternator is available in the market under the name GM Alternator. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 15128978 Alternator fits certain Chevrolet Tahoe, Silverado 1500, Silverado 2500 HD models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT models.
The original GM component designated by Manufacturer Part Number 15128978 maintains top performance when functioning as the Generator unit. The component 15128978 is constructed from durable material and its dimensions span 17.5 x 17.9 x 9.4 inches while weighing 23.60 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Generator, Engine Electrical. The part 15128978 has available replacement options 10371020. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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