Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (14.4 Inches)
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • 4 terminal configuration
  • Replaces dealer part numbers: 12572705
  • 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.

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

5.0 / 5.0
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Awesome
Excellent price and self help video, 5 star stellar.
April 22, 2017
Purchased
10 months ago
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How-to Video:

(03:08 min)

Tools List:

    1A - No Tools Needed

  • No Tools Needed



This part replaces:

  • OE # 12572705
  • Standard Motor Products SG1066

Vehicle Fit

  • 2003-2006 Cadillac Escalade Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Cadillac Escalade ESV Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Cadillac Escalade EXT Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Chevy Avalanche 2500 O2 Oxygen Sensor Upstream V8 8.1L
  • 2003-2006 Chevy Silverado 1500 Upstream O2 Oxygen Sensor V8 6.0L
  • 2007 Chevy Silverado 1500 Classic Upstream O2 Oxygen Sensor V8 6.0L
  • 2003 Chevy Silverado 1500 HD Upstream O2 Oxygen Sensor V8 6.0L
  • 2005-2006 Chevy Silverado 1500 HD Upstream O2 Oxygen Sensor
  • 2007 Chevy Silverado 1500 HD Classic Upstream O2 Oxygen Sensor
  • 2003-2004 Chevy Silverado 2500 Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2009 Chevy Silverado 2500 HD Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Chevy Silverado 2500 HD O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2003-2006 Chevy Silverado 2500 HD Upstream O2 Oxygen Sensor V8 8.1L
  • 2010 Chevy Silverado 2500 HD Upstream Cab & Chassis O2 Oxygen Sensor excluding Flex Fuel V8 6.0L
  • 2007 Chevy Silverado 2500 HD Classic O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2007 Chevy Silverado 2500 HD Classic Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2007 Chevy Silverado 2500 HD Classic Upstream O2 Oxygen Sensor V8 8.1L
  • 2003-2009 Chevy Silverado 3500 Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Chevy Silverado 3500 O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2003-2006 Chevy Silverado 3500 Upstream O2 Oxygen Sensor V8 8.1L
  • 2010 Chevy Silverado 3500 Upstream Cab & Chassis O2 Oxygen Sensor excluding Flex Fuel V8 6.0L
  • 2007 Chevy Silverado 3500 Classic O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2007 Chevy Silverado 3500 Classic Upstream O2 Oxygen Sensor V8 8.1L
  • 2007 Chevy Silverado 3500 Classic Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Chevy Suburban 2500 Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 Chevy Suburban 2500 Upstream O2 Oxygen Sensor V8 8.1L
  • 2003-2006 Chevy Suburban 2500 O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2003-2006 GMC Sierra 1500 Upstream O2 Oxygen Sensor V8 6.0L
  • 2007 GMC Sierra 1500 Classic Upstream O2 Oxygen Sensor V8 6.0L
  • 2003 GMC Sierra 1500 HD Upstream O2 Oxygen Sensor V8 6.0L
  • 2005-2006 GMC Sierra 1500 HD Upstream O2 Oxygen Sensor
  • 2007 GMC Sierra 1500 HD Classic Upstream O2 Oxygen Sensor
  • 2003-2004 GMC Sierra 2500 Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2009 GMC Sierra 2500 HD Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2006 GMC Sierra 2500 HD Downstream O2 Oxygen Sensor V8 8.1L Passenger Side
  • 2003-2006 GMC Sierra 2500 HD Upstream O2 Oxygen Sensor V8 8.1L
  • 2010 GMC Sierra 2500 HD Upstream Cab & Chassis O2 Oxygen Sensor excluding Flex Fuel V8 6.0L
  • 2007 GMC Sierra 2500 HD Classic Downstream O2 Oxygen Sensor V8 8.1L Passenger Side
  • 2007 GMC Sierra 2500 HD Classic Upstream O2 Oxygen Sensor V8 8.1L
  • 2007 GMC Sierra 2500 HD Classic Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2009 GMC Sierra 3500 Upstream Cab & Chassis O2 Oxygen Sensor V8 6.0L
  • 2003-2006 GMC Sierra 3500 Upstream O2 Oxygen Sensor V8 8.1L
  • 2003-2006 GMC Sierra 3500 O2 Oxygen Sensor Downstream V8 8.1L Passenger Side
  • 2010 GMC Sierra 3500 Upstream Cab & Chassis O2 Oxygen Sensor excluding Flex Fuel V8 6.0L
  • 2007 GMC Sierra 3500 Classic O2 Oxygen Sensor Downstream V8 8.1L Passenger Side
  • 2007 GMC Sierra 3500 Classic Upstream O2 Oxygen Sensor V8 8.1L
  • 2003-2006 GMC Yukon Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 GMC Yukon XL 2500 Upstream O2 Oxygen Sensor V8 6.0L
  • 2003-2006 GMC Yukon XL 2500 Upstream O2 Oxygen Sensor V8 8.1L
  • 2003-2006 GMC Yukon XL 2500 O2 Oxygen Sensor Downstream Passenger Side V8 8.1L
  • 2003-2006 Hummer H2 Upstream O2 Oxygen Sensor V8 6.0L
Part #: 1AEOS00072

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