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Chevrolet 84374120 Lock Switch

2021-2023 Chevrolet

Customer Questions & Expert Answers (2)
84374120 GM Lock Switch Illustration 1 of 1
  • Part Description
    Switch, Door And End Gate Electrical
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number84374120
    Part DescriptionLock Switch; Switch, Door And End Gate Electrical
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU84374120
    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
    2022-2023 Chevrolet Silverado4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel
    2021-2023 Chevrolet Suburban6 Cyl 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L1/2 TON
    2021-2023 Chevrolet Tahoe6 Cyl 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L4 DOOR 1/2 TON
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84374120 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    please verify that this is the passenger side switch? Posted by Edward D. / 2023 Light Truck Tahoe / Yukon / Escalade - 06 Bodystyle (4WD / AWD)
    A:
    Hello, Yes this is for the RH passenger side
    Answered by GM Parts Specialist Fernando / Jun 11, 2025

Genuine GM Part 84374120, the Right Choice

To ensure reliability, purchase GM part # 84374120 Lock Switch. It is sometimes referred to as Chevrolet Door Lock Switch. 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 Chevrolet Silverado, Suburban, Tahoe models.

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