Make sure this part fits

GM 12559850
Oxygen Sensor

1999-2005 GM

Customer Questions & Expert Answers (11)
GM 12559850 Oxygen Sensor
GM 12559850 Oxygen Sensor
  • Part Description
    Sensor, Computer Control Sensors
  • Manufacturer
    General Motors
Make sure this part fits
$59.96 MSRP: $121.78
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2001-2005 Buick CenturyCustom, Limited, Special Edition6 Cyl 3.1 L GAS
    2002-2005 Buick RendezvousCX, CX Plus, CXL, CXL Plus6 Cyl 3.4 L GAS
    2000-2004 Cadillac DeVilleBase, DHS, DTS, Protection Series8 Cyl 4.6 L GAS
    2000-2002 Cadillac EldoradoESC, ETC8 Cyl 4.6 L GAS
    2000-2004 Cadillac SevilleSLS, STS8 Cyl 4.6 L GAS
    2002 Chevrolet BlazerLS, Xtreme6 Cyl 4.3 L GAS
    2001-2005 Chevrolet ImpalaBase6 Cyl 3.4 L GAS
    2001-2003 Chevrolet MalibuBase, LS6 Cyl 3.1 L GAS
    2001-2005 Chevrolet Monte CarloLS, LS Competition, LS Sport6 Cyl 3.4 L GAS
    2002 Chevrolet S10Base, LS, Xtreme, ZR2, ZR56 Cyl 4.3 L GAS
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12559850 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12559850 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the first step to replace the Heated Oxygen Sensor (HO2S) 1 for the 2001 Buick Century? Posted by Customer
    A:
    Disconnect the electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the first step to replace the Heated Oxygen Sensor (HO2S) 1 for the 2004 Buick Rendezvous? Posted by Customer
    A:
    First, disconnect the electrical connector and raise the vehicle.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    How much should the frame be lowered for the 2004 Cadillac DeVille? Posted by Customer
    A:
    Lower the frame no more than 76 mm (3 inches).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    Do new service sensors come with the anti-seize compound for the 2000 Cadillac Eldorado? Posted by Customer
    A:
    Yes, new service sensors should already have this compound.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be used on the threads of a reused sensor for the 2000 Cadillac Seville? Posted by Customer
    A:
    Use anti-seize compound PIN 5613695 or an equivalent.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be noted about removing the heated oxygen sensor for the 2001 Chevrolet Impala? Posted by Customer
    A:
    It may be difficult to remove if the engine temperature is below 48°C (120°F), and excessive force can damage the threads in the exhaust manifold.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be done if reinstalling a removed sensor for the 2003 Chevrolet Malibu? Posted by Customer
    A:
    Apply anti-seize compound to the threads before reinstallation.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the final step after installing the HO2S 1 for the 2004 Chevrolet Monte Carlo? Posted by Customer
    A:
    Reconnect the HO2S 1 electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    How do you remove the HO2S for the 2002 Chevrolet S10? Posted by Customer
    A:
    Remove the HO2S using the Oxygen Sensor Wrench (J 39194-B).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be done if the pigtail wiring, connector, or terminal is damaged for the 2002 Chevrolet Venture? Posted by Customer
    A:
    Replace the oxygen sensor instead of attempting repairs.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this 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 Oxygen Sensor 12559850 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12559850 Oxygen Sensor is available in the market under the name GM Oxygen Sensor. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12559850 Oxygen Sensor fits certain Chevrolet S10, Malibu, Impala models, as well as GMC Sonoma. Additionally, it is compatible with Cadillac DeVille, Eldorado, Seville and Buick Century, Rendezvous models.
The original GM component designated by Manufacturer Part Number 12559850 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 12559850 is constructed from durable material and its dimensions span 8.4 x 3.3 x 3.2 inches while weighing 0.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Front Oxygen Sensor. The part 12559850 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts? Our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.