Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (31.4")
  • Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • Replaces dealer part numbers: 06C906265A, 06C906265E, 06C 906 265 A, 06C 906 265 E
  • 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 or run poorly 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 : Removing the Downstream Oxygen (O2) Sensor (0:41)
    • Remove the two 10mm nuts from the O2 sensor wiring harness cover
    • Pull off the wiring harness cover
    • Pull the wiring harnesses out of their brackets
    • Disconnect the downstream sensor wiring harness
    • Unclip the wiring harness
    • Loosen the O2 sensor with a 7/8 inch wrench
    • Pull off the O2 sensor
  2. step : Installing the New Downstream O2 Sensor (1:36)
    • Put the new O2 sensor into place
    • Tighten the new O2 sensor with a 7/8 inch wrench
    • Clip the wiring harness into place
    • Connect the wiring harness
    • Push the harnesses into their brackets
    • Hang the wiring harness cover on its studs
    • Fasten the two 10mm nuts onto the wiring harness cover

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Floor Jack

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket

  • Wrenches - SAE

  • 7/8 Inch Wrench

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Vehicle Fit

Year Make Model Description
2000-2006Audi A4 Audi A4 L4 1.8L Turbo Downstream O2 Oxygen Sensor
2002-2004Audi A4 Audi A4 V6 3.0L Downstream O2 Oxygen Sensor
2000-2006Audi A4 Quattro Audi A4 Quattro L4 1.8L Turbo Downstream O2 Oxygen Sensor
2000-2006Audi A4 Quattro Audi A4 Quattro Quattro L4 1.8L Turbo Downstream O2 Oxygen Sensor
2002-2004Audi A4 Quattro Audi A4 Quattro V6 3.0L Downstream O2 Oxygen Sensor
2002-2004Audi A6 Audi A6 V6 3.0L Downstream O2 Oxygen Sensor
2002-2004Audi A6 Quattro Audi A6 Quattro V6 3.0L Downstream O2 Oxygen Sensor
2002-2005Audi Allroad Audi Allroad V6 2.7L Turbo Upstream O2 Oxygen Sensor
2001Audi TT Quattro Audi TT Quattro Quattro L4 1.8L Turbo Downstream O2 Oxygen Sensor
2001-2006Audi TT Quattro Audi TT Quattro Quattro L4 1.8L Turbo Downstream O2 Oxygen Sensor
2003-2006Porsche Cayenne Porsche Cayenne V8 4.5L Turbo Downstream O2 Oxygen Sensor
2003-2006Porsche Cayenne Porsche Cayenne V8 4.5L Downstream O2 Oxygen Sensor
2004-2006Porsche Cayenne Porsche Cayenne V6 3.2L Downstream O2 Oxygen Sensor
2001Volkswagen Beetle VW Beetle L4 1.8L Turbo (Engine ID APH) Downstream O2 Oxygen Sensor
2001-2005Volkswagen Passat VW Passat L4 1.8L Turbo Downstream O2 Oxygen Sensor
2004-2005Volkswagen Phaeton VW Phaeton W8 6.0L Cylinders #7 - 9 Downstream O2 Oxygen Sensor
2006Volkswagen Phaeton VW Phaeton W8 6.0L Cylinders #7 - 9 Downstream O2 Oxygen Sensor
2006Volkswagen Phaeton VW Phaeton W8 6.0L Cylinders #10 - 12 Downstream O2 Oxygen Sensor
2004-2006Volkswagen Touareg VW Touareg V6 3.2L Downstream O2 Oxygen Sensor

This part replaces:

  • OE # 06C906265E
  • OE # 06C906265A
  • Standard Motor Products SG1178
Part #: 1AEOS00046


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:

(03:02 min)