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Chevrolet 91177408 Sensor, Oxygen (On Illus)

1994-1998 Chevrolet Tracker

Customer Questions & Expert Answers (3)
GM 91177408 Sensor, Oxygen (On Illus)
  • Part Description
    SENSOR, Computer Control Sensors
  • Replaces
    96068670
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number91177408
    Part DescriptionSENSOR, Computer Control Sensors
    Other NamesOxygen Sensor
    Item Dimensions7.5 x 3.3 x 2.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces96068670
    ManufacturerGeneral Motors
    SKU91177408
    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
    1994-1998 Chevrolet Tracker4 Cyl 1.6L2 DOOR HARD TOP, 4 DOOR, CONVERTIBLE
  • 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 91177408 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What is the function of the oxygen sensor in the exhaust system? Posted by Customer
    A:
    The oxygen sensor monitors exhaust gas oxygen levels, aiding the PCM in maintaining an optimal air/fuel ratio of 14.7:1. It sends voltage signals fluctuating between 1.0-volt and 0.1 volt when warmed up. OBD-II vehicles have two heated sensors: the upstream sensor in the exhaust manifold and the downstream sensor post-catalytic converter. The latter gauges the converter's efficiency. Issues in the oxygen sensor circuit can trigger diagnostic trouble codes. Before deeming the sensor faulty, other impacting components should be checked. To test, measure its voltage under various engine conditions. If malfunctioning, replace using an oxygen sensor wrench, applying anti-seize to the new sensor's threads and tightening to the specified torque.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done before installing the oxygen sensor in the manifold for the 1999 Chevrolet Tracker? Posted by Customer
    A:
    Before installing it in the manifold, coat the threads with an anti-seize compound.
    Posted by GMPartsGiant 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!

Genuine GM Part 91177408, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 91177408 Sensor, Oxygen (On Illus). It is sometimes referred to as Chevrolet Oxygen Sensor. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Tracker models.

Affordable, reliable and built to last, GM part # 91177408 Sensor, Oxygen (On Illus) stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed Chevrolet parts information, click here.

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