Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (21.25 inches ) 
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 88971385, 88971388, 88971389, 88972966, 88972967, 88974123, 8946501100, 89465 01100, 8946502110, 89465 02110, 8946502171, 89465 02171, 8946502190, 89465 02190, 8946542160, 89465 42160
  • Built and tested to strict quality control standards

Note: For clarification purposes:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

If you have a bad O2 sensor causing your vehicle to run poorly or fail an emission test then this is the part for you.

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Identifying your Oxygen Sensors (0:57)
    • Upstream oxygen sensors are located in between the engine and the catalytic converter
    • Downstream oxygen sensors are located in the catalytic converter or farther away from the engine than the catalytic converter
    • Locate your vehicle's firing order diagram
    • The bank that contains cylinder one is bank one
    • The bank that does not contain cylinder one is bank two, even if it does not contain cylinder two

Tools needed for replacement:

    1A - No Tools Needed

  • No Tools Needed

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Vehicle Fit

  • 2003 Pontiac Vibe GT L4 1.8L (Engine ID 2ZZGE) Upstream O2 Oxygen Sensor
  • 2003-2008 Pontiac Vibe L4 1.8L 2 Wheel Drive Downstream O2 Oxygen Sensor
  • 2003-2008 Toyota Corolla L4 1.8L Downstream O2 Oxygen Sensor
  • 2003 Toyota Matrix XRS L4 1.8L (Engine ID 2ZZGE) (Built Before 5/03 Production Date) Upstream O2 Oxygen Sensor
  • 2003-2008 Toyota Matrix L4 1.8L 2 Wheel Drive Downstream O2 Oxygen Sensor
Part #: 1AEOS00146

Ships Same Day for orders placed by 4 P.M. ET

How-to Video:

(03:08 min)