Replaces

Mazda Miata MX-5 MPV Protege O2 Oxygen Sensor - 1AEOS00165

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (19.6 inches) 
  • Upstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: BP8J18861B, BP8J 18861 B, BP8J18861B9U, BP8J 18861 B9U, FSE118861, FSE1 18861, FSE118861A, FSE1 18861 A, FSE118861B, FSE1 18861 B, GY0118861A, GY01 18861 A, GY0118861A9U, GY01 18861 A9U, ZM0318861, ZM03 18861, ZM0318861A, ZM03 18861 A, ZM0318861A9U, ZM03 18861 A9U
  • 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.

Returns Note:

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.

  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

Year Make Model Description
2000-2001Mazda MPV Mazda MPV V6 2.5L Front Bank Upstream O2 Oxygen Sensor
2004-2005Mazda Miata MX-5 Mazda Miata MX-5 MazdaSpeed L4 1.8L Turbo Upstream O2 Oxygen Sensor
1999-2000Mazda Protege Mazda Protege L4 1.6L California Emissions Upstream O2 Oxygen Sensor
2001Mazda Protege Mazda Protege L4 1.6L Upstream O2 Oxygen Sensor
Only 2 left in stock
Part #: 1AEOS00165


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)