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GMC 20945138 Front Side Door Window Regulator Assembly

1999-2014 GMC

Customer Questions & Expert Answers (6)
GM 20945138 Front Side Door Window Regulator Assembly
  • Part Description
    Regulator Assembly, Front Side Door Window
  • Position
    Front
  • Replaces
    20914717, 25885878, 15880566
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number20945138
    Part DescriptionRegulator Assembly, Front Side Door Window
    Other NamesRegulator, Window Motor, Window Regulator
    Item Dimensions24.2 x 16.2 x 9.5 inches
    Item Weight8.20 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces20914717, 25885878, 15880566
    ManufacturerGeneral Motors
    SKU20945138
    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
    1999-2014 GMC Sierra6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L1 TON CREW CAB, 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2000-2014 GMC Yukon8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex, 8 Cyl 8.1L1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 20945138 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove a window regulator assembly from a door? Posted by Customer
    A:
    To remove the window regulator assembly from a door, first remove the door trim panel and water shield, followed by the door window glass. If equipped, remove the large door trim bracket covering the door opening. The window regulator assembly consists of two guides and cables, and can be removed by pushing the guides toward each other to collapse the assembly for easier removal. For access-type rear doors on extended cab pick-up models, the regulator consists of one guide but removal is basically the same. On power window-equipped models, unplug the electrical connector for the regulator motor before removing the regulator from the door. To install, simply reverse the removal process.
    Posted by GMPartsGiant Specialist
    Q:
    How can the window regulator assembly be removed for the 2013 Chevrolet Silverado? Posted by Customer
    A:
    The window regulator assembly can be removed by pushing the guides toward each other to collapse the assembly for easier removal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    How can the window regulator assembly be removed for the 2012 Chevrolet Tahoe? Posted by Customer
    A:
    The window regulator assembly can be removed by pushing the guides toward each other to collapse the assembly for easier removal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    How can the window regulator assembly be removed for the 2011 GMC Sierra? Posted by Customer
    A:
    The window regulator assembly can be removed by pushing the guides toward each other to collapse the assembly for easier removal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    What is the first step to remove the window regulator assembly from a door for the 2011 GMC Yukon? Posted by Customer
    A:
    The first step is to remove the door trim panel and water shield.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 20945138, the Right Choice

To ensure reliability, purchase GM part # 20945138 Front Side Door Window Regulator Assembly. It is sometimes referred to as GMC Window Regulator. 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 GMC Sierra, Yukon models.

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