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GM 12565397
Oxygen Sensor

2001-2002 GM

Customer Questions & Expert Answers (13)
GM 12565397 Oxygen Sensor
GM 12565397 Oxygen Sensor
GM 12565397 Oxygen Sensor
  • Part Description
    Sensor, Computer Control Sensors
  • Replaces
    12563346
  • Manufacturer
    General Motors
Make sure this part fits
$67.75 MSRP: $137.61
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  • 2002 Chevy Express 3500 Oxygen Sensor Diagram for 12565397
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12565397

  • Vehicle Fitment

    Year Make Model Trim Engine
    2002 Cadillac EscaladeBase8 Cyl 6.0 L GAS
    2002 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2002 Chevrolet Avalanche 2500Base8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Express 3500Base, LS8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Silverado 1500 HDLS, LT8 Cyl 6.0 L GAS
    2001-2002 Chevrolet Silverado 2500Base, LS, LT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2001-2002 Chevrolet Silverado 2500 HDBase, LS, LT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Silverado 3500Base, LS, LT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Suburban 2500Base, LS, LT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2001-2002 GMC Savana 3500Base, SLT8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12565397 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12565397 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Cadillac Escalade? Posted by Customer
    A:
    To change the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, first lift the vehicle and unplug the connector HO2S. Pull off the HO2S with the Oxygen Sensor Wrench (J 39194-B). While performing the installation, if the sensor provider for reinstallation, please make sure that threads are covered with anti-seize compound GM P/N 5613695. Thread in the HO2S by using the Oxygen Sensor Wrench (J 39194-B) and tighten it to a torque of 42 N.m (31 lb ft). Finally, link HO2S harness connector and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on Chevrolet Express 3500? Posted by Customer
    A:
    To replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 one needs to lift the vehicle and disengage the connector for the HO2. Users should also remove the HO2S in the presence of the Oxygen Sensor Wrench (J 39194-B). When installing the new sensor, be sure to apply the threads with anti-seize compound GM P/N 5613695 if needed as this compound with the composition of liquid graphite and glass beads, to make the removal easier in the future. Mount the HO2S with the use of Oxygen Sensor Wrench (J 39194-B) and tighten up to 42 N.m (31 lb ft). Lastly, join the HO2S harness connector and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on Chevrolet Suburban 2500? Posted by Customer
    A:
    The first step when replacing the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 requires a vehicle to be raised to a specific height. First remove the HO2S electrical connector then slowly remove the HO2S from its seat. Insert anti-seize compound P/N 5613695 onto the HO2S threads before reinstallation because the special compound mixture contains graphite and glass beads which helps future sensor removal. Use an anti-seize compound P/N 5613695 on the HO2S threads and tighten it to 41 N.m (30 lb ft). After reattaching the HO2S electrical connector you should lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on GMC Savana 3500? Posted by Customer
    A:
    In order to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, you will need to lift up the vehicle first. Remove the HO2S connector and pull out the HO2S using the Oxygen Sensor Wrench (J 39194-B) and disconnect its connector. Before installation, also if necessary, coat the threads of the new oxygen sensor with the anti-seize compound GM PIN 5613695, because unique anti-seize compound (liquid graphite and glass beads) are used in the cementation of the HO2S for the purpose of ease of future removal. Add the HO2S using an Oxygen Sensor Wrench (J 39194-B) and tighten it to 42 N.m (31 lb."). Lastly, connect the HO2S harness connector and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on GMC Yukon XL 1500? Posted by Customer
    A:
    In order to change the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 first lift the vehicle. Remove the HO2S by disconnecting the connector of the HO2S, this must be done using the Oxygen Sensor Wrench. (J 39194-B). If required, coat the threads of new or service replacement sensor with anti-seize compound GM P/N 5613695, which is made up of liquid graphite and glass beads, for ease of removal in the future. Install the HO2S using the Oxygen Sensor Wrench (J 39194-B) and tighten it to a torque of 42 N.m (31lb. Ft.). Finally, join the HO2S harness connector and lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How do you install the new HO2S for the 2002 Cadillac Escalade? Posted by Customer
    A:
    Use the Oxygen Sensor Wrench (J 39194-B) to install it.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be applied to the threads of the HO2S during reinstallation for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Apply anti-seize compound P/N 12377953 to the threads.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    How should the new HO2S be installed for the 2001 Chevrolet Express 3500? Posted by Customer
    A:
    Use the Oxygen Sensor Wrench (J 39194-B) to install it and tighten it to 42 N.m (31 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be applied to the threads of the heated oxygen sensor during installation for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Coat the threads with anti-seize compound P/N 12377953, or an equivalent if necessary.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be done after raising the 2001 GMC Savana 3500? Posted by Customer
    A:
    Disconnect the connector for the HO2S.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What is the first step to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 for the 2002 GMC Savana 3500? Posted by Customer
    A:
    First, raise the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Oxygen Sensor
    Q:
    What should be done after raising the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Disconnect the connector for the 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 Oxygen Sensor 12565397 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 12565397 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 12565397 Oxygen Sensor fits certain Chevrolet Silverado 2500 HD, Express 3500, Silverado 2500 models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade EXT models.
The original GM component designated by manufacturer part number 12565397 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 12565397 is constructed from durable material and its dimensions span 8.3 x 3.3 x 3.4 inches while weighing 0.60 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12565397 has available replacement options 12563346. 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.