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GM 12578576
Oxygen Sensor

2002-2011 GM

Customer Questions & Expert Answers (12)
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
GM 12578576 Oxygen Sensor
  • Part Description
    Sensor, Computer Control Sensors
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • 2008 Chevy Cobalt Oxygen Sensor Diagram for 12578576
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12578576

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12578576
    Part DescriptionSensor, Computer Control Sensors
    Other NamesRear Oxygen Sensor
    Item Dimensions8.4 x 3.4 x 3.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12578576
    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 Trim Engine
    2005-2010 Chevrolet CobaltBase, LS, LT, LTZ, Sport, SS4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
    2006-2011 Chevrolet HHRLS, LS Panel, LT, LT Panel, SS, SS Panel4 Cyl 2.0 L GAS, 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
    2007-2009 Pontiac G5Base, GT4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
    2005-2007 Saturn Ion1, 2, 3, Red Line4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
    2002 Saturn L100Base4 Cyl 2.2 L GAS
    2002-2003 Saturn L200Base4 Cyl 2.2 L GAS
    2004 Saturn L30014 Cyl 2.2 L GAS
    2002-2003 Saturn LW200Base4 Cyl 2.2 L GAS
    2002-2007 Saturn VueBase, Green Line4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV)

  • Customer Questions & Expert Answers

    Q:
    Is this 12578576 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12578576 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor 2 on Chevrolet Cobalt? Posted by Customer
    A:
    Vehicle heightening and suitable support are necessary before starting to replace the heated Oxygen Sensor 2. Withe the wheel drive shaft heat shield off the technician will need to note the path of the heated Oxygen Sensor (HO2S) electrical cabling. To access the ho2s electrical connector in the engine compartment first bend carefully the edge of the channel on the left-hand side of the Exhaust Heat Shield outboard. This releases the ho2s electrical harness for removal. First remove the ho2s using the Oxygen Sensor wrench (J 39194-C) and then lower the ho2s electrical harness away from the vehicle underbody. Before installing the original ho2s item coat its threads in saturn p/n 24185279 or equivalent anti-seize compound. To complete ho2s installation please use the Oxygen Sensor wrench (J 39194-C) for tightening the sensor to 41 n.m (30 lb ft) on the pipe. Reinstall the ho2s electrical harness following its original placement while avoiding wire damage to the Exhaust Heat Shield's channel. The Exhaust Heat Shield channel edge must be bent on its lh side inboard to hold the ho2s electrical harness into place before connecting the ho2s electrical connector. For the last step of the procedure reinstall the wheel drive shaft heat shield before lowering the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be applied to the threads of the HO2S if it is being reinstalled for the 2010 Chevrolet HHR? Posted by Customer
    A:
    Apply anti-seize compound GM P/N 12377953 or equivalent.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the final step in the process for the 2009 Chevrolet Cobalt? Posted by Customer
    A:
    Reinstall the underhood junction block bracket and close the hood.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be done after disconnecting the oxygen sensor harness connector for the 2007 Chevrolet Cobalt? Posted by Customer
    A:
    Carefully remove the oxygen sensor using the Oxygen Sensor Wrench (J 39194-C).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the final step after reconnecting the HO2S electrical connector for the 2005 Chevrolet Cobalt? Posted by Customer
    A:
    Install the wheel drive shaft heat shield and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the final step in the process for the 2010 Chevrolet Cobalt? Posted by Customer
    A:
    Reinstall the underhood junction block bracket and close the hood.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    How is the HO2S installed for the 2006 Chevrolet Cobalt? Posted by Customer
    A:
    Install the HO2S using the Oxygen Sensor Wrench (J 39194-C) and tighten it to 42 N.m (31 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the final step for a manual transaxle for the 2006 Chevrolet HHR? Posted by Customer
    A:
    Connect the engine harness electrical connector to the HO2S and install the CPA retainer.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the torque specification for tightening the HO2S for the 2008 Chevrolet HHR? Posted by Customer
    A:
    Tighten it to 42 N.m (31 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be done with the HO2S electrical harness lead after installation for the 2007 Chevrolet HHR? Posted by Customer
    A:
    Place the HO2S electrical harness lead back into the trough on the exhaust heat shield and bend the trough up slightly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What tool is used to remove the position 1 HO2S for the 2009 Chevrolet HHR? Posted by Customer
    A:
    Use the J 39194 (Oxygen Sensor Wrench) to remove the position 1 HO2S.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12578576, Excellent Performance and Perfect Fitment

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