Make sure this part fits

GM 55507858 Knock Sensor

2016-2019 GM

Customer Questions & Expert Answers (2)
55507858 GM Knock Sensor Illustration 1 of 1
  • Part Description
    Sensor, Distributor
  • Replaces
    55599019
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number55507858
    Part DescriptionKnock Sensor; Sensor, Distributor
    Item Dimensions2.6 x 1.6 x 1.0 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces55599019
    ManufacturerGeneral Motors
    SKU55507858
    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
    2016-2019 Buick Cascada4 Cyl 1.6LUPLEVEL 2 DOOR CONVERTIBLE
    2016-2019 Chevrolet Malibu4 Cyl 1.8LLT HYBRID 4 DOOR NOTCHBACK
  • Customer Questions & Expert Answers

    Q:
    I want to know whether this will fit my car.
    A:
    You can Select Your Vehicle to check if 55507858 fits your vehicle.
    Posted and answered by GM Parts Specialist Bob
    Q:
    How do you access the rear Knock Sensor for the 2.0L 2016 Chevrolet Malibu? Posted by Yashka H.
    A:
    For 2016 and later 2.0L models, access the rear sensor by removing the starter. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Apr 26, 2023

Genuine GM Part 55507858, the Right Choice

To ensure reliability, purchase GM part # 55507858 Knock Sensor. It is sometimes referred to as GM Knock Sensor. 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 Buick Cascada models. It fits Chevrolet Malibu.

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