This Oxygen O2 Sensor is a new, aftermarket replacement part that has the following specifications:

  • Four pin, 4 wire configuration
  • Replaces dealer part numbers: 0258005787, 5F9Z9G444AB, 5F9Z-9G444-AB, 5W6Z9G444BA, 5W6Z-9G444-BA, AJTB18861, AJTB-18-861, E6DF9G444E1A, E6DF-9G444E-1A, F4ZZ9G444B, F4ZZ-9G444-B, F5WZ9F472BA, F5WZ-9F472-BA, F6CZ9G444BA, F6CZ-9G444-BA, F6DF9G444B2A, F6DF-9G444-B2A, F6DF9G444E1A, F6DF-9G444E-1A, F6DZ9G444B, F6DZ-9G444-B, F77F9F472BA, F77F-9F472-BA, F77Z9F472BA, F77Z-9F472-BA, F85Z9G444BA, F85Z-9G444-BA, L3TT18861, L3TT-18-861, XS2A9G444AA, XS2A-9G444-AA, XS2Z9G444AA, XS2Z-9G444-AA, ZZC418861, ZZC4-18-861
  • Direct Fit
  • Correct Connector No cutting or splicing
  • Built and tested to strict quality control standards
  • Some applications use (2) of the same Oxygen Sensors Upstream and Downstream
  • Includes removal and installation tool

 

Note: For clarification purposes:

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

 

A direct replacement. If you have a bad O2 sensor causing your vehicle to idle 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

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

  • 1996-2000 Ford Contour L4 2.5L Downstream O2 Oxygen Sensor with Install Tool
  • 1996-1998 Ford Contour L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford Contour L4 2.0L Downstream Round Plug O2 Oxygen Sensor with Install Tool
  • 2000 Ford Contour L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1994 Ford Crown Victoria V8 4.6L Upstream O2 Oxygen Sensor with Install Tool
  • 1996-2005 Ford Crown Victoria V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2006-2007 Ford Crown Victoria V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-1998 Ford E150 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2007 Ford E150 Van V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2003 Ford E150 Van V6 4.2L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2001 Ford E150 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford E150 Van V8 5.4L 8.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1999 Ford E150 Van V8 5.4L 12.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 2000-2001 Ford E150 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E150 Van V10 6.8L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E150 Van V8 5.4L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E150 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E150 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-1998 Ford E250 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2007 Ford E250 Van V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2003 Ford E250 Van V6 4.2L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2001 Ford E250 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford E250 Van V8 5.4L 8.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1999 Ford E250 Van V8 5.4L 12.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 2000-2001 Ford E250 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E250 Van V10 6.8L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E250 Van V8 5.4L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E250 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E250 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-1998 Ford E350 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2007 Ford E350 Van V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2003 Ford E350 Van V6 4.2L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2001 Ford E350 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford E350 Van V8 5.4L 8.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1999 Ford E350 Van V8 5.4L 12.5 Inch Length Wire Downstream 4 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 2000-2001 Ford E350 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E350 Van V10 6.8L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford E350 Van V8 5.4L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E350 Van V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2007 Ford E350 Van V10 6.8L Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2007 Ford Escape L4 2.3L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2004 Ford Expedition V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2004 Ford Expedition V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2007 Ford Expedition V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2002-2005 Ford Explorer V6 4.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2002 Ford Explorer V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2005 Ford Explorer V8 4.6L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2006-2007 Ford Explorer V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2006-2007 Ford Explorer V6 4.0L Downstream O2 Oxygen Sensor with Install Tool
  • 2007 Ford Explorer Sport Trac V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2007 Ford Explorer Sport Trac V6 4.0L Downstream O2 Oxygen Sensor with Install Tool
  • 2004 Ford F150 Heritage Truck V6 4.2L Downstream O2 Oxygen Sensor with Install Tool
  • 2004 Ford F150 Heritage Truck V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2004 Ford F150 Truck V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2003 Ford F150 Truck V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-2005 Ford F150 Truck V6 4.2L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-1999 Ford F250 Light Duty Truck V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1997-1999 Ford F250 Light Duty Truck V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford F250 Super Duty Truck V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2001 Ford F250 Super Duty Truck V8 5.4L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 1996 Ford F250 Truck V8 7.5L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 1997 Ford F250 Truck V8 5.8L Downstream O2 Oxygen Sensor with Install Tool
  • 1999 Ford F350 Super Duty Truck V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 2001 Ford F350 Super Duty Truck V8 5.4L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 1996 Ford F350 Truck V8 7.5L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 1997 Ford F350 Truck V8 5.8L Under 8500LB GVW Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2007 Ford Five Hundred V6 3.0L Downstream O2 Oxygen Sensor with Install Tool
  • 2000 Ford Focus L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2006 Ford Freestyle V6 3.0L Downstream O2 Oxygen Sensor with Install Tool Driver Side
  • 2005-2006 Ford Freestyle V6 3.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 1996 Ford Motorhome M-400/450 V8 7.5L California Emissions Downstream O2 Oxygen Sensor with Install Tool
  • 1996-1997 Ford Ranger V6 4.0L Upstream O2 Oxygen Sensor with Install Tool
  • 1997 Ford Ranger L4 2.3L Upstream O2 Oxygen Sensor with Install Tool
  • 2004-2005 Ford Ranger V6 3.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2004-2005 Ford Ranger V6 4.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2006 Ford Ranger V6 4.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1991-1995 Ford Taurus V6 3.0L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 1992-1995 Ford Taurus V6 3.8L Upstream O2 Oxygen Sensor with Install Tool
  • 1996-1999 Ford Taurus SHO V8 3.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1996-2001 Ford Taurus V6 3.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1992-1994 Ford Tempo L4 2.3L Upstream O2 Oxygen Sensor with Install Tool
  • 1992 Ford Tempo V6 3.0L Upstream O2 Oxygen Sensor with Install Tool
  • 1993-1994 Ford Tempo V6 3.0L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 1992-1994 Ford Thunderbird V6 3.8L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 2002 Ford Thunderbird V8 3.9L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2005 Lincoln Aviator V8 4.6L Downstream O2 Oxygen Sensor with Install Tool Driver Side
  • 2002 Lincoln Blackwood V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1992-1994 Lincoln Continental V6 3.8L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 2000-2002 Lincoln LS V6 3.0L Downstream O2 Oxygen Sensor with Install Tool
  • 2000-2002 Lincoln LS V8 3.9L Downstream O2 Oxygen Sensor with Install Tool
  • 1993-1994 Lincoln Mark VIII V8 4.6L Upstream O2 Oxygen Sensor with Install Tool
  • 1998-2007 Lincoln Navigator V8 5.4L Downstream O2 Oxygen Sensor with Install Tool
  • 1994 Lincoln Town Car V8 4.6L California Emissions Upstream O2 Oxygen Sensor with Install Tool
  • 1995-2007 Lincoln Town Car V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 1996 Mazda B2300 Truck L4 2.3L Upstream O2 Oxygen Sensor with Install Tool
  • 2005-2006 Mazda Tribute L4 2.3L Front Bank Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2006 Mazda Tribute V6 3.0L Upstream O2 Oxygen Sensor with Install Tool
  • 1992-1993 Mercury Cougar V8 5.0L 12 Inch Length Wire Upstream 2 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1992-1994 Mercury Cougar V6 3.8L 12 Inch Length Wire Upstream 2 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1994 Mercury Cougar V8 4.6L 12 Inch Length Wire Upstream 2 Wire Sensor O2 Oxygen Sensor with Install Tool
  • 1999-2002 Mercury Cougar L4 2.5L Downstream O2 Oxygen Sensor with Install Tool
  • 1999-2002 Mercury Cougar L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1992-1993 Mercury Grand Marquis V8 4.6L (excluding California Emissions) Upstream O2 Oxygen Sensor with Install Tool
  • 1994-1995 Mercury Grand Marquis V8 4.6L Upstream O2 Oxygen Sensor with Install Tool
  • 1996-2007 Mercury Grand Marquis V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2003-2004 Mercury Marauder V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2007 Mercury Mariner L4 2.3L Downstream O2 Oxygen Sensor with Install Tool
  • 2005-2007 Mercury Montego V6 3.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2002-2005 Mercury Mountaineer V8 4.6L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2002-2005 Mercury Mountaineer V6 4.0L Downstream O2 Oxygen Sensor with Install Tool Passenger Side
  • 2006-2007 Mercury Mountaineer V8 4.6L Downstream O2 Oxygen Sensor with Install Tool
  • 2006-2007 Mercury Mountaineer V6 4.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1996-2000 Mercury Mystique L4 2.5L Downstream O2 Oxygen Sensor with Install Tool
  • 1996-2000 Mercury Mystique L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1992 Mercury Sable V6 3.0L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 1992-1993 Mercury Sable V6 3.8L Front Bank Upstream O2 Oxygen Sensor with Install Tool
  • 1996-1999 Mercury Sable V6 3.0L Downstream O2 Oxygen Sensor with Install Tool
  • 1992-1994 Mercury Topaz L4 2.3L Upstream O2 Oxygen Sensor with Install Tool
  • 1992 Mercury Topaz V6 3.0L Upstream O2 Oxygen Sensor with Install Tool
  • 1993-1994 Mercury Topaz V6 3.0L Front Bank Upstream O2 Oxygen Sensor with Install Tool
Part #: 1AEEK00528

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How-to Video:

(03:08 min)