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
  • 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

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. 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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How-to Video:

(03:08 min)

Tools List:

    1A - No Tools Needed

  • No Tools Needed



This part replaces:

  • OE # 25333812
  • Standard Motor Products SG827

Vehicle Fit

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

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