Make sure this part fits

GM 20757891
Alternator

2006-2009 GM

Customer Questions & Expert Answers (5)
GM 20757891 Alternator
  • Part Description
    Generator Assembly
  • Replaces
    15233597
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2006-2009 Chevrolet ImpalaLT, LTZ, Police, SS6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
    2006 Chevrolet Monte CarloLT, LTZ6 Cyl 3.9 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 20757891 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 20757891 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the torque specification for tightening the generator bolts during installation for the 2006 Chevrolet Impala? Posted by Customer
    A:
    Tighten them to 50 N.m (37 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What is the final step after securing the generator output BAT terminal nut for the 2009 Chevrolet Impala? Posted by Customer
    A:
    Reposition the protective boot to the generator output BAT terminal, install the drive belt, and finally reconnect the negative battery cable.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What is the torque specification for the generator output BAT terminal nut for the 2007 Chevrolet Impala? Posted by Customer
    A:
    Secure it to 30 N.m (22 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Alternator
    Q:
    What are the steps to remove the generator for the 2008 Chevrolet Impala? Posted by Customer
    A:
    Remove the generator bolt and stud, then the generator bolt before taking out the generator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar 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 20757891 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 20757891 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 20757891 Alternator fits certain Chevrolet Impala, Monte Carlo models.
The original GM component designated by manufacturer part number 20757891 maintains top performance when functioning as the Generator Assembly unit. The component 20757891 is constructed from durable material and its dimensions span 9.1 x 8.2 x 10.1 inches while weighing 15.10 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 20757891 has available replacement options 15233597. 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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