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GM 12599866
Oxygen Sensor

2006-2015 GM

Customer Questions & Expert Answers (15)
GM 12599866 Oxygen Sensor
GM 12599866 Oxygen Sensor
GM 12599866 Oxygen Sensor
GM 12599866 Oxygen Sensor
  • Part Description
    Sensor, Computer Control Sensors
  • Manufacturer
    General Motors
Make sure this part fits
$62.61 MSRP: $127.15
You Save: $64.54 (51%)
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  • 2008 Chevy Express 3500 Oxygen Sensor Diagram for 12599866
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12599866

  • Vehicle Fitment

    Year Make Model Trim Engine
    2006 Cadillac EscaladeBase8 Cyl 6.0 L GAS
    2006 Chevrolet Avalanche 1500LS, LT, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2006 Chevrolet Avalanche 2500LS, LT8 Cyl 8.1 L GAS
    2008-2014 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2008-2015 Chevrolet Express 2500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    2008-2015 Chevrolet Express 3500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    2006-2007 Chevrolet Silverado 1500Hybrid, LS, LT, LTZ, WT8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, WT8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS
    2006 Chevrolet Suburban 1500Base, LS, LT, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2006 Chevrolet TahoeBase, LS, LT, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12599866 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12599866 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What should be done after installing the HO2S for the 2006 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Connect the HO2S electrical connector for the 6.0L engine, followed by the connector for the 4.8L or 5.3L engine.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What if reinstalling the old sensor for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Coat the threads with anti-seize compound GM P/N 12377953 or an equivalent.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What safety precautions should be taken before removing components for the 2009 Chevrolet Express 3500? Posted by Customer
    A:
    Ensure the vehicle is supported with jack stands at the opposite end from where components are being removed and strap the vehicle to the hoist.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be done when installing the new sensor for the 2008 Chevrolet Express 2500? Posted by Customer
    A:
    Coat the threads with anti-seize compound (GM P/N 5613695) if necessary.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What should be done before removing the bank 2 HO2S for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Disconnect the HO2S electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    Why is the anti-seize compound used for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    It facilitates easier removal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the procedure for a 4.8L or 5.3L engine for the 2006 Chevrolet Tahoe? Posted by Customer
    A:
    Disconnect the HO2S electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the torque specification for tightening the HO2S for the 2006 Chevrolet Suburban 1500? Posted by Customer
    A:
    Tighten it to 42 N.m (31 lb ft).
    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) for Bank 1 Sensor 2 for the 2010 GMC Savana 3500? Posted by Customer
    A:
    Raise the vehicle and disconnect the connector for the HO2S.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    How should the new HO2S be installed for the 2010 GMC Savana 1500? Posted by Customer
    A:
    Install the HO2S with the J 39194-B and tighten it to 42 Nm (31 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    How should the new HO2S be installed for the 2009 GMC Savana 2500? Posted by Customer
    A:
    Install the HO2S with the J 39194-B and tighten it to 42 Nm (31 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the torque specification for tightening the HO2S for the 2006 GMC Yukon? Posted by Customer
    A:
    Tighten it to 42 N.m (31 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Oxygen Sensor
    Q:
    What is the installation process for a 4WD after installing the HO2S for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Install the HO2S pigtail electrical connector clip to the fuel line bracket, then connect the engine wiring harness electrical connector to the HO2S pigtail electrical connector and connect the CPA retainer.
    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 for Bank 2 Sensor 2 for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Raise and support the vehicle appropriately.
    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 12599866 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 12599866 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 12599866 Oxygen Sensor fits certain Chevrolet Tahoe, Silverado 1500, Express 1500 models, as well as GMC Sierra 1500, Yukon, Savana 2500. Additionally, it is compatible with Cadillac Escalade models.
The original GM component designated by Manufacturer Part Number 12599866 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 12599866 is constructed from durable material and its dimensions span 8.4 x 3.1 x 3.0 inches while weighing 0.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12599866 has available replacement options. Each vehicle needs 2 units of the part marked as SKU 12599866. 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.
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