Replaces

2004-2005 Cadillac CTS-V Downstream O2 Oxygen Sensor

  • New

This replacement oxygen sensor is just what you need to get your vehicle in good working form again!

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (23.6 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 12558849, 12559848, 12559849, 12561777, 12562621, 12567163, 12567497, 12570149, 12572772, 12575389, 12583806, 12596619, 25333812, 8125671630, 81256 71630
  • Built and tested to strict quality control standards

Note: For Express / Savana Van models used 1st & 2nd design sensors:

  • 1st Design is marked OE# 25333812
  • 2st Design is marked OE#19209805

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.

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

Effective June 23, 2014: 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. Removing the O2 Sensor
    • Pry out the clip and pin from the sensor
    • Disconnect the O2 sensor harness
    • Cut off the harness connector and sensor with wire cutters
    • Remove the O2 sensor wire with a 7/8 wrench
  2. Installing the New O2 Sensor
    • Twist on the O2 sensor to the exhaust pipe
    • Tighten the O2 sensor with a 7/8 wrench
    • Reconnect the O2 sensor harness
    • Replace the pin and re-clip the harness to the vehicle

How-to Video:

(03:02 min)

Tools List:

    Pliers, Cutters & misc Wrenches

  • Wire Cutters

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Wrenches - SAE

  • 7/8 Inch Wrench




Vehicle Fit

  • 2004-2005 Cadillac CTS-V Downstream O2 Oxygen Sensor
  • 2007 Cadillac CTS-V Downstream O2 Oxygen Sensor
  • 2000-2005 Cadillac Deville Downstream O2 Oxygen Sensor
  • 2000-2002 Cadillac Eldorado Downstream O2 Oxygen Sensor
  • 2003-2006 Cadillac Escalade Downstream O2 Oxygen Sensor for V8 6.0L
  • 2003-2006 Cadillac Escalade ESV Downstream O2 Oxygen Sensor for V8 6.0L
  • 2003-2006 Cadillac Escalade EXT Downstream O2 Oxygen Sensor for V8 6.0L
  • 2000-2004 Cadillac Seville Downstream O2 Oxygen Sensor
  • 2003 Chevy Express 1500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 5.3L
  • 2003 Chevy Express 1500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V6 4.3L
  • 2004-2006 Chevy Express 1500 Van Upstream or Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003 Chevy Express 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 5.3L
  • 2003 Chevy Express 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L
  • 2003 Chevy Express 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V6 4.3L
  • 2004-2007 Chevy Express 2500 Van Upstream or Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2004-2007 Chevy Express 2500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2004-2006 Chevy Express 2500 Van Upstream or Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2004 Chevy Express 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L CNG
  • 2004 Chevy Express 2500 Van Upstream or Downstream O2 Oxygen Sensor (excluding CNG Models) for V8 6.0L Driver Side
  • 2003 Chevy Express 3500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 5.3L
  • 2003 Chevy Express 3500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L
  • 2004-2007 Chevy Express 3500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2004 Chevy Express 3500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L CNG
  • 2004 Chevy Express 3500 Van Upstream or Downstream O2 Oxygen Sensor (excluding CNG Models) for V8 6.0L Driver Side
  • 2004-2007 Chevy Express 3500 Van Upstream or Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2004-2007 Chevy Malibu Downstream O2 Oxygen Sensor for V6 3.5L
  • 2006-2007 Chevy Malibu Downstream O2 Oxygen Sensor for V6 3.9L
  • 2006-2007 Chevy Malibu Maxx Downstream O2 Oxygen Sensor for V6 3.9L
  • 2002-2007 Chevy Silverado 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2003-2005 Chevy Silverado 1500 Upstream or Downstream O2 Oxygen Sensor for V8 4.8L
  • 2003-2005 Chevy Silverado 1500 SS Downstream O2 Oxygen Sensor for V8 6.0L
  • 2006 Chevy Silverado 1500 Upstream or Downstream O2 Oxygen Sensor for V6 4.3L
  • 2007 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 6.0L
  • 2007 Chevy Silverado 1500 Downstream O2 Oxygen Sensor for V8 4.8L New Body Style
  • 2007 Chevy Silverado 1500 Classic Downstream O2 Oxygen Sensor for V8 6.0L
  • 2002-2003 Chevy Silverado 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2005-2007 Chevy Silverado 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2004 Chevy Silverado 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2004 Chevy Silverado 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2006 Chevy Silverado 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2007 Chevy Silverado 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L New Body Style
  • 2007 Chevy Silverado 2500 HD Classic Downstream O2 Oxygen Sensor Passenger Side for V8 6.0L
  • 2002-2007 Chevy Silverado 3500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2006 Chevy Suburban 1500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2006 Chevy Suburban 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2003 GMC Savana 1500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V6 4.3L
  • 2003 GMC Savana 1500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 5.3L
  • 2004-2006 GMC Savana 1500 Van Upstream or Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003 GMC Savana 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V6 4.3L
  • 2003 GMC Savana 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 5.3L
  • 2004 GMC Savana 2500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L CNG
  • 2004-2006 GMC Savana 2500 Van Upstream or Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2004 GMC Savana 2500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L (excluding CNG Models) Driver Side
  • 2004-2007 GMC Savana 2500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2004-2007 GMC Savana 2500 Van Upstream or Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2003 GMC Savana 3500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L
  • 2004-2007 GMC Savana 3500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2004 GMC Savana 3500 Van Upstream or Downstream (OE# 25333812) O2 Oxygen Sensor for V8 6.0L CNG
  • 2004-2007 GMC Savana 3500 Van Upstream or Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2004 GMC Savana 3500 Van Upstream or Downstream O2 Oxygen Sensor for V8 6.0L (excluding CNG Models) Driver Side
  • 2003-2006 GMC Sierra 1500 Upstream or Downstream O2 Oxygen Sensor for V6 4.3L
  • 2003-2005 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 4.8L
  • 2003-2007 GMC Sierra 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2007 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 6.0L New Body Style
  • 2007 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 4.8L
  • 2007 GMC Sierra 1500 Downstream O2 Oxygen Sensor for V8 5.3L New Body Style
  • 2002-2003 GMC Sierra 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2005-2007 GMC Sierra 1500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2004 GMC Sierra 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2007 GMC Sierra 2500 HD Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2002-2007 GMC Sierra 3500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2003-2007 GMC Sierra Denali Downstream O2 Oxygen Sensor for V8 6.0L
  • 2007 GMC Sierra Denali Downstream O2 Oxygen Sensor for V8 6.0L
  • 2003-2005 GMC Yukon Upstream or Downstream O2 Oxygen Sensor for V8 4.8L
  • 2002-2006 GMC Yukon XL Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2003-2006 Hummer H2 Downstream O2 Oxygen Sensor
  • 2004-2005 Pontiac Bonneville GXP Downstream O2 Oxygen Sensor for V8 4.6L
  • 2005 Pontiac G6 Downstream O2 Oxygen Sensor
  • 2006-2007 Pontiac G6 Downstream O2 Oxygen Sensor for V6 3.9L
  • 2006 Pontiac G6 Downstream Rear O2 Oxygen Sensor for V6 3.5L
  • 2007 Pontiac G6 Downstream O2 Oxygen Sensor for V6 3.5L
  • 2007 Saturn Aura Downstream O2 Oxygen Sensor for V6 3.5L
$40.45
Part #: 1AEOS00114

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"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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