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GMC 20945139 Front Side Door Window Regulator Assembly

1999-2014 GMC

Customer Questions & Expert Answers (9)
GM 20945139 Front Side Door Window Regulator Assembly
GM 20945139 Front Side Door Window Regulator Assembly
GM 20945139 Front Side Door Window Regulator Assembly
GM 20945139 Front Side Door Window Regulator Assembly
  • Part Description
    Regulator Assembly, Front Side Door Window
  • Position
    Front
  • Replaces
    20914718, 25866184, 15880567, 25885879
  • Manufacturer
    General Motors
Make sure this part fits
$147.48 MSRP: $292.62
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number20945139
    Part DescriptionRegulator Assembly, Front Side Door Window
    Other NamesRegulator, Window Motor, Window Regulator
    Item Dimensions25.1 x 16.2 x 8.0 inches
    Item Weight3.80 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces20914718, 25866184, 15880567, 25885879
    ManufacturerGeneral Motors
    SKU20945139
    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 20945139 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How can the window regulator assembly be removed of the 2009 Chevrolet Avalanche? 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 difference in removing the window regulator assembly for access-type rear doors on the 2011 GMC Sierra? Posted by Customer
    A:
    For access-type rear doors on extended cab pick-up models, the regulator consists of one guide but removal is basically the same.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    What should be done before removing the regulator from the door on the 2007 Chevrolet Silverado? Posted by Customer
    A:
    On power window-equipped models, the electrical connector for the regulator motor should be unplugged before removing the regulator from the door.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    What should be done before removing the regulator from the door on the 2012 Chevrolet Suburban? Posted by Customer
    A:
    On power window-equipped models, the electrical connector for the regulator motor should be unplugged before removing the regulator from the door.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    What should be done after removing the door trim panel and water shield for the 2011 Chevrolet Tahoe? Posted by Customer
    A:
    After removing the door trim panel and water shield, the next step is to remove the door window glass.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    What is the difference in removing the window regulator assembly for access-type rear doors on the 2008 GMC Yukon? Posted by Customer
    A:
    For access-type rear doors on extended cab pick-up models, the regulator consists of one guide but removal is basically the same.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Window Regulator
    Q:
    Is this an actual GM part? Posted by Customer
    A:
    Yes, this is a genuine GM part
    Posted by GMPartsGiant Specialist 15/8/2020
    Q:
    Are part numbers 20945139 and 20945138 the same part? Posted by Customer
    A:
    No, part number ending in 138 is for the driveres side and the part number ending in 139 is for the passengers side
    Posted by GMPartsGiant Specialist 15/8/2020
    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 20945139, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 20945139 Front Side Door Window Regulator Assembly. It is sometimes referred to as GMC Window Regulator. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC Sierra, Yukon models.

Affordable, reliable and built to last, GM part # 20945139 Front Side Door Window Regulator Assembly stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.

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