Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (25.5 Inches)
  • Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • 4 terminal configuration
  • Replaces dealer part numbers: FP5018861A, FP50 18 861 A
  • 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 fail an emission test then this is the part for you.

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

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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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I received my o2 sensor with no problems and installed it and it works. I would recommend yous to my friends. I am very pleased. Thank you for service.
September 23, 2018
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Year Make Model Description
1999-2000Mazda Protege Mazda Protege L4 1.8L Downstream O2 Oxygen Sensor
2001-2003Mazda Protege Mazda Protege L4 2.0L Downstream O2 Oxygen Sensor
2002-2003Mazda Protege5 Mazda Protege5 L4 2.0L Downstream O2 Oxygen Sensor
Part #: 1AEOS00069


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)