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GM 20881337
Alternator

2007-2014 GM

Customer Questions & Expert Answers (15)
GM 20881337 Alternator
GM 20881337 Alternator
  • Part Description
    Generator Assembly
  • Replaces
    15905874, 25869451, 15905872, 22781127, 25968616
  • Manufacturer
    General Motors
Make sure this part fits
$272.93 MSRP: $541.76
You Save: $268.83 (50%)
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2007-2014 Cadillac EscaladeBase, Luxury, Platinum, Premium8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2014 Cadillac Escalade ESVBase, Luxury, Platinum, Premium8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2013 Cadillac Escalade EXTBase, Luxury, Premium8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2013 Chevrolet AvalancheBlack Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2009-2012 Chevrolet ColoradoLT8 Cyl 5.3 L GAS
    2010-2014 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX
    2010-2014 Chevrolet Express 2500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX
    2010-2014 Chevrolet Express 3500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX
    2007-2013 Chevrolet Silverado 1500Hybrid, LS, LT, LTZ, WT, XFE6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    2007-2014 Chevrolet Silverado 2500 HDLT, LTZ, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 20881337 is the right part for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 20881337 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the final step in the generator replacement process for the 2007 Cadillac Escalade? Posted by Customer
    A:
    Reconnect the negative battery cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be reconnected after positioning the boot for the 2007 Cadillac Escalade ESV? Posted by Customer
    A:
    Reconnect the engine harness electrical connector to the generator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be reconnected after positioning the boot for the 2007 Cadillac Escalade EXT? Posted by Customer
    A:
    Reconnect the engine harness electrical connector to the generator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    How should it be positioned for access to the A/C compressor for the 2010 Chevrolet Colorado? Posted by Customer
    A:
    Raise and support the vehicle just enough to access the A/C compressor through the wheelhouse.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be removed after disconnecting the negative battery cable for the 2010 Chevrolet Express 2500? Posted by Customer
    A:
    Remove the upper fan shroud and the drive belt.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be removed after disconnecting the battery cable for the 2010 Chevrolet Express 3500? Posted by Customer
    A:
    Remove the accessory drive belt.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the torque specification for the A/C compressor and condenser hose bracket bolt for the 2009 Chevrolet Silverado 1500? Posted by Customer
    A:
    Tighten it to 25 Nm (18 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the torque specification for securing the battery jumper cable nut for the 2009 Chevrolet Tahoe? Posted by Customer
    A:
    Tighten it to 9 Nm (80 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What components need to be removed to access the A/C compressor for the 2010 GMC Canyon? Posted by Customer
    A:
    Remove the left front wheel and the left wheelhouse liner.
    Posted by ChevyPartsDeal Specialist
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    Q:
    What is the process to remove the generator cable for the 2010 GMC Savana 1500? Posted by Customer
    A:
    Slide the boot down to reveal the terminal stud, remove the generator cable nut from the terminal stud, and then take off the generator cable.
    Posted by ChevyPartsDeal Specialist
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    Q:
    What is the next step after attaching the battery positive cable for the 2010 GMC Savana 3500? Posted by Customer
    A:
    Connect the generator electrical connector.
    Posted by ChevyPartsDeal Specialist
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    Q:
    What should be done after installing the auxiliary generator for the 2010 GMC Savana 2500? Posted by Customer
    A:
    Attach the battery positive cable terminal to the auxiliary generator and tighten the nut to 10 Nm (7 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What is the next step after removing the A/C compressor and condenser hose bracket bolt for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Remove the heater outlet hose clamp bolt at the generator bracket.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Alternator
    Q:
    What should be done after securing the battery jumper cable nut for the 2010 GMC Yukon? Posted by Customer
    A:
    Position the battery jumper cable boot and connect the engine harness electrical connector to the generator.
    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 20881337 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 20881337 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 20881337 Alternator fits certain Chevrolet Colorado, Tahoe, Avalanche models, as well as GMC Sierra 1500, Yukon, Canyon. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT and Hummer H3, H3T models.
The original GM component designated by Manufacturer Part Number 20881337 maintains top performance when functioning as the Generator Assembly unit. The component 20881337 is constructed from durable material and its dimensions span 10.5 x 10.4 x 10.4 inches while weighing 16.50 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 20881337 has available replacement options 15905874, 25869451, 15905872, 22781127, 25968616. 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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