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Cadillac 12589321 Sensor,Heated Oxygen(Position 2)

2007 Cadillac Escalade

Customer Questions & Expert Answers (10)
GM 12589321 Sensor,Heated Oxygen(Position 2)
  • Part Description
    SENSOR, Computer Control Sensors
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number12589321
    Part DescriptionSENSOR, Computer Control Sensors
    Other NamesFront Oxygen Sensor, Oxygen Sensor
    Item Dimensions8.5 x 3.3 x 3.3 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity2
    ManufacturerGeneral Motors
    SKU12589321
    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
    2007 Cadillac Escalade8 Cyl 6.2LEXT 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12589321 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What is an oxygen sensor and how is it used in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL's engine management system? Posted by Customer
    A:
    An oxygen sensor is a galvanic battery that produces a small voltage output in response to the amount of oxygen in the exhaust gases. This voltage signal is crucial for the feedback loop between the oxygen sensor and the Powertrain Control Module (PCM) to maintain the perfect air/fuel ratio of 14.7:1 that the catalyst needs for optimal operation. All vehicles covered have On-Board Diagnostics II (OBD-11) engine management systems, which means they have the ability to monitor the performance of the catalytic converter. All models covered by this manual have four heated oxygen sensors: one upstream sensor per cylinder bank and one downstream sensor per cylinder bank. Special care must be taken whenever a sensor is serviced, as they are extremely delicate and cannot be dropped or handled roughly. The upstream and downstream oxygen sensors are heated to speed up the warm-up time during which the sensors are unable to produce an accurate voltage signal. The circuit for each oxygen sensor heater is controlled by the PCM. To remove the upstream or downstream oxygen sensor, the vehicle must be raised and securely placed on jackstands. The sensor electrical lead must be traced to the connector and disconnected before unscrewing the sensor with an oxygen sensor socket. If the sensor is difficult to loosen, penetrating oil can be sprayed onto the sensor threads and allowed to soak in for a while. When installing the old sensor, anti-seize compound should be applied to the threads to facilitate future removal. If installing a new oxygen sensor, it's not necessary to apply anti-seize compound to the threads as they already have anti-seize compounds on them. The installation process is the reverse of removal, and the sensor must be tightened to the torque specifications.
    Posted by GMPartsGiant Specialist
    Q:
    What should be applied to the threads when installing or reinstalling an oxygen sensor for the 2011 Chevrolet Avalanche? Posted by Customer
    A:
    When installing the old sensor, anti-seize compound should be applied to the threads to facilitate future removal. However, if installing a new oxygen sensor, it's not necessary to apply anti-seize compound to the threads as they already have anti-seize compounds on them.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What are the requirements for optimal operation of the oxygen sensors for the 2005 Chevrolet Colorado? Posted by Customer
    A:
    The oxygen sensors require proper electrical connections, air circulation, operating temperature, and unleaded fuel for optimal operation.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    How should the oxygen sensor be installed and secured for the 2007 Chevrolet Silverado? Posted by Customer
    A:
    The installation process is the reverse of removal, and the sensor must be tightened to the torque specifications. Proper installation ensures accurate sensor readings and optimal engine performance.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What does the voltage output of the pre-converter oxygen sensor depend on for the 2009 GMC Canyon? Posted by Customer
    A:
    The voltage output of the pre-converter oxygen sensor varies based on the oxygen content in the exhaust gas.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be applied to the threads when installing or reinstalling an oxygen sensor for the 2011 Chevrolet Suburban? Posted by Customer
    A:
    When installing the old sensor, anti-seize compound should be applied to the threads to facilitate future removal. However, if installing a new oxygen sensor, it's not necessary to apply anti-seize compound to the threads as they already have anti-seize compounds on them.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the function of an oxygen sensor, and why is it crucial in the 2014 GMC Yukon engine management system? Posted by Customer
    A:
    An oxygen sensor is a galvanic battery that produces a small voltage output in response to the amount of oxygen in the exhaust gases. This voltage signal is crucial for the feedback loop between the oxygen sensor and the Powertrain Control Module (PCM) to maintain the perfect air/fuel ratio of 14.7:1 that the catalyst needs for optimal operation.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What precautions should be taken when removing and installing oxygen sensors for the 2007 GMC Sierra? Posted by Customer
    A:
    Special care must be taken whenever a sensor is serviced, as they are extremely delicate and cannot be dropped or handled roughly. To remove the upstream or downstream oxygen sensor, the vehicle must be raised and securely placed on jackstands. The sensor electrical lead must be traced to the connector and disconnected before unscrewing the sensor with an oxygen sensor socket. If the sensor is difficult to loosen, penetrating oil can be sprayed onto the sensor threads and allowed to soak in for a while.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    Is this for upstream or downstream. Which ever this one is can you inform me with the part number for the opposite stream? Thank you Posted by Customer: 2007 Light Truck Avalanche / Escalade EXT - 36 Bodystyle (4WD / AWD)
    A:
    12589321 IS UPSTREAM 19209815 IS DOWNSTREAM
    Posted by GMPartsGiant Specialist 18/5/2022
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12589321, the Right Choice

To ensure reliability, purchase GM part # 12589321 Sensor,Heated Oxygen(Position 2). It is sometimes referred to as Cadillac Oxygen 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 Cadillac Escalade models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12589321 Sensor,Heated Oxygen(Position 2). You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Cadillac parts information, click here.

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