Warranty & Shipping
How-To & Tools
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Vehicle Fit


  • Direct Fit
  • Correct Connector No cutting or splicing
  • Correct wire length (13.8 Inches)
  • Correct wire length 
  • Upstream Sensor

Install note:

You may be required to reset the vehicle computer after installation of this part.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

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.

  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

5.00/ 5.0
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1 Star
Oxigen sensor
Thank you. The part fits good. Excellent.Good price tool.
March 3, 2018
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Customer Q&A
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Year Make Model Description
2001-2004Chevy Tracker Chevy Tracker V6 2.5L Upstream O2 Oxygen Sensor Driver or Passenger Side
2002-2003Suzuki Aerio Suzuki Aerio L4 2.0L Upstream O2 Oxygen Sensor
2004-2007Suzuki Aerio Suzuki Aerio L4 2.3L Upstream O2 Oxygen Sensor
1999-2002Suzuki Esteem Suzuki Esteem L4 1.8L Upstream O2 Oxygen Sensor
2001-2005Suzuki Grand Vitara Suzuki Grand Vitara V6 2.5L Upstream O2 Oxygen Sensor Driver or Passenger Side
2004Suzuki Vitara Suzuki Vitara V6 2.5L Upstream O2 Oxygen Sensor Driver or Passenger Side
Part #: 1AEOS02003

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(03:08 min)