Replaces

O2 Oxygen Sensor - 1AEOS00118

This part replaces:

  • OE # 25333812
  • STANDARD MOTOR PRODUCTS SG827

  • New

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (14.7 Inches)
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • 4 terminal configuration
  • Replaces dealer part numbers: 25333812
  • 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.

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 manufacturer's 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.


Vehicle Fit

  • 2003-2005 Cadillac Escalade Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2006 Cadillac Escalade Downstream O2 Oxygen Sensor Passenger Side
  • 2003-2006 Chevy Express 1500 Van Upstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2004 Chevy Express 1500 Van Upstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2005 Chevy Express 1500 Van Downstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2006-2007 Chevy Express 1500 Van Upstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2003-2007 Chevy Express 2500 Van Upstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2003-2007 Chevy Express 2500 Van Upstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2003-2005 Chevy Express 2500 Van Upstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2003 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003 Chevy Express 2500 Van Upstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2005 Chevy Express 2500 Van Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003-2007 Chevy Express 3500 Van Upstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2005-2007 Chevy Express 3500 Van Upstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2003-2006 Chevy Silverado 1500 Upstream O2 Oxygen Sensor for V6 4.3L
  • 2003-2005 Chevy Silverado 1500 Upstream O2 Oxygen Sensor for V8 4.8L
  • 2002-2006 Chevy Suburban 2500 Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
  • 2003-2005 Chevy Tahoe Upstream O2 Oxygen Sensor for V8 4.8L
  • 2003-2006 GMC Savana 1500 Van Upstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2003-2006 GMC Savana 1500 Van Upstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003 GMC Savana 1500 Van Downstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2007 GMC Savana 1500 Van Upstream O2 Oxygen Sensor for V8 5.3L with Federal Emissions Driver Side
  • 2003-2005 GMC Savana 2500 Van Upstream O2 Oxygen Sensor for V6 4.3L Driver Side
  • 2003-2007 GMC Savana 2500 Van Upstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2003-2005 GMC Savana 2500 Van Upstream O2 Oxygen Sensor for V8 5.3L Driver Side
  • 2003-2006 GMC Savana 2500 Van Upstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2004 GMC Savana 2500 Van Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2006 GMC Savana 2500 Van Downstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2007 GMC Savana 2500 Van Upstream O2 Oxygen Sensor for V8 4.8L with Federal Emissions
  • 2003-2007 GMC Savana 3500 Van Upstream O2 Oxygen Sensor for V8 6.0L Driver Side
  • 2004-2006 GMC Savana 3500 Van Upstream O2 Oxygen Sensor for V8 4.8L Driver Side
  • 2007 GMC Savana 3500 Van Upstream O2 Oxygen Sensor for V8 4.8L with Federal Emissions
  • 2003-2006 GMC Sierra 1500 Upstream O2 Oxygen Sensor for V6 4.3L
  • 2003-2005 GMC Sierra 1500 Upstream O2 Oxygen Sensor for V8 4.8L
  • 2003-2005 GMC Yukon Upstream O2 Oxygen Sensor for V8 4.8L
  • 2003-2006 GMC Yukon Downstream O2 Oxygen Sensor for V8 6.0L
  • 2002-2006 GMC Yukon XL Downstream O2 Oxygen Sensor for V8 6.0L Passenger Side
$90.45
Save 34%
List: $137.70 Save: $47.25
Part #: 1AEOS00118

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