Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us

Genuine GM 55488558
Lower Oxygen Sensor

Customer Questions & Answers (2)
2019 Cadillac CT6 Powertrain Control Lower Oxygen Sensor Diagram for 55488558
GM 55488558 Lower Oxygen Sensor
GM 55488558 Lower Oxygen Sensor
GM 55488558 Lower Oxygen Sensor
  • Part Description Sensor Assembly-Heated Oxygen (Post-Catalyst Bank 1
  • Brand GM
$32.96
MSRP: $62.19
You Save: $29.23 (48%)

Vehicle Specific

Check if it fits by entering your vehicle info
Select Your Vehicle

Why Choose AutoPartsPrime

  • Dedicated Service

    We have experienced professionals here to help you via phone, live chat or email.

  • Unbeatable Prices

    We offer genuine OEM parts at the best possible discounted prices online.

  • Fast Delivery

    Your orders are processed efficiently and delivered as promptly as possible.

Shipping & Return
Shipping Policy Return Policy

  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number55488558
    Part DescriptionSensor Assembly-Heated Oxygen (Post-Catalyst Bank 1
    Other DescriptionLower Oxygen Sensor
    Other NamesLower Oxygen Sensor, Oxygen Sensor
    Item Dimensions2.0 x 14.7 x 1.0 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGenuine General Motors
    SKU55488558
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page.
    Warning: California’s Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2021 Buick Envision4 Cyl 2.0L1SC 4 DOOR SUV, 1SL 4 DOOR SUV, 1SV 4 DOOR SUV
    2020-2022 Cadillac CT44 Cyl 2.0L, 4 Cyl 2.7LLUXURY SEDAN, SEDAN, SPORT SEDAN, V-SERIES SPORT SEDAN
    2020-2022 Cadillac CT54 Cyl 2.0LLUXURY SEDAN EXT, SEDAN EXT, SPORT SEDAN EXT
    2019 Cadillac CT64 Cyl 2.0L4 DOOR SEDAN, BASE 4 DOOR SEDAN, PREMIUM 4 DOOR SEDAN
    2019-2021 Cadillac XT44 Cyl 2.0LALL PURPOSE 4 DOOR BASE, ALL PURPOSE 4 DOOR LUXURY, ALL PURPOSE 4 DOOR SPORT
    2020-2021 Cadillac XT54 Cyl 2.0LCROSSOVER 4 DOOR, LUXURY CROSSOVER 4 DOOR
    2020-2021 Chevrolet Blazer4 Cyl 2.0LHIGH COUNTRY/LTZ 4 DOOR SUV, LT 4 DOOR SUV, RS 4 DOOR SUV
    2019-2021 Chevrolet Silverado4 Cyl 2.7LCREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2020-2021 GMC Acadia4 Cyl 2.0LDENALI SUV, SLE SUV, SLT SUV
    2019-2021 GMC Sierra4 Cyl 2.7LCREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON

Related Parts for 55488558

Customer Questions & Answers

Q:
I want to know if the very part fits my car.
By Customer
A:
Please Select Your Car to check if 55488558 properly fits your car.
By Omar
GM Specialist
Q:
I need to assure that my 2020 Chevrolet Blazer works fine with 55488558.
By Customer
A:
The two are properly matched.
By Omar
GM Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 55488558 at AutoPartsPrime, Your Right Choice

  • The part number 55488558, Lower Oxygen Sensor, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Buick Envision. It fits Cadillac CT6, XT4, XT5. It also fits Chevrolet Blazer, Silverado. This also fits GMC Acadia, Sierra. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
  • AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.