Make sure this part fits

GM 84658873 CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK)

2016 Chevrolet Malibu

Customer Questions & Expert Answers (3)
84658873 GM CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK)
  • Part Description
    CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK)
  • Replaces
    84089872
  • Manufacturer
    General Motors
Make sure this part fits
$774.25 MSRP: $1220.42
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Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number84658873
    Part DescriptionCYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK)
    Other NamesBrake Booster
    ConditionNew
    Replaces84089872
    ManufacturerGeneral Motors
    SKU84658873
    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
    2016 Chevrolet Malibu4 Cyl 1.5L, 4 Cyl 1.8L, 4 Cyl 2.0LLT HYBRID 4 DOOR NOTCHBACK
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84658873 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    What tool should be used to loosen the fittings at the ends of the brake lines connected to the Brake Master Cylinder for the 2016 Chevrolet Malibu? Posted by Johnnie W.
    A:
    Use a flare-nut wrench to prevent rounding off the corners. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Sep 02, 2025
    Q:
    How do you detach the brake pedal from the pushrod retainer and the Brake Booster for the 2016 Chevrolet Malibu? Posted by Alexandre T.
    A:
    Squeeze or pry the tangs of the pushrod retainer, then pull the brake pedal to the rear to release the pushrod retainer from the brake pedal arm, discarding the retainer and using a new one on reassembly. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jan 10, 2026

Genuine GM Part 84658873, the Right Choice

To ensure reliability, purchase GM part # 84658873 CYLINDER ASM-BRK MAS(W/P/B BOOS&ELEK BRK). It is sometimes referred to as GM Brake Booster, GM Brake Master Cylinder. 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 Malibu models.

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