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Cadillac 20850446 Antenna Assembly

2006-2010 Cadillac Escalade

Customer Questions & Expert Answers (3)
20850446 GM Antenna Assembly Illustration 1 of 1
  • Part Description
    Antenna, Mobile Telephone Radio
  • Replaces
    15837587
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number20850446
    Part DescriptionAntenna Assembly; Antenna, Mobile Telephone Radio
    Item Dimensions5.2 x 4.1 x 2.1 inches
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15837587
    ManufacturerGeneral Motors
    SKU20850446
    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
    2006-2010 Cadillac Escalade8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex1/2 TON, EXT 1/2 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.
    A:
    You can Select Your Vehicle to check if 20850446 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    How do you remove the Antenna mast mounting base and cable for the 2008 Chevrolet Tahoe? Posted by Breck G.
    A:
    To remove the antenna mast mounting base and cable, you first need to remove the antenna mast and cowl cover. Then, you should unbolt the mounting base and remove the top trim panel from the instrument panel. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Apr 15, 2024
    Q:
    How do you disconnect the Antenna mast cable from the extension cable for the 2007 Chevrolet Silverado? Posted by Garrick H.
    A:
    To disconnect the antenna mast cable from the extension cable, you need to attach a wire to the old cable and pull it out through the grommet below the mounting base. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 02, 2026

Genuine GM Part 20850446, the Right Choice

To ensure reliability, purchase GM part # 20850446 Antenna Assembly. It is sometimes referred to as Cadillac Antenna. 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 Cadillac Escalade models.

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