Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (10 5/8 Inches) 
    • over all lenght (14 3/4 Inches)
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • Replaces dealer part numbers: 56041953AA, 56041953 AA
  • 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.

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
3 Reviews
5 Stars
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Great 1A Auto
So far all the parts that I had purchased from 1A Auto had been working fine I had no issues to report about any of the parts. I I'm very pleased with them and the customer service..
December 10, 2017
Purchased
6 months ago
Just what my jeep needed.
After being told I needed 5000 dollars worth of repairs, I found out myself I only needed these 2 parts. I ordered, got what I ordered, replaced the old ones with the new and my jeep runs like new. Thanks 1aauto.
March 5, 2017
Purchased
1 year ago
needed oxygen
between good pricing, fast delivery and the video it turned out great. thanks
February 21, 2018
Purchased
2 months ago
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Vehicle Fit

  • 2007 Chrysler Aspen V8 4.7L Downstream O2 Oxygen Sensor Passenger Side
  • 2007 Chrysler Aspen V8 5.7L Upstream O2 Oxygen Sensor
  • 2007 Chrysler Aspen V8 4.7L Upstream O2 Oxygen Sensor
  • 2003 Chrysler PT Cruiser L4 2.4L Downstream O2 Oxygen Sensor
  • 2005-2006 Chrysler Pacifica V6 3.5L Downstream O2 Oxygen Sensor
  • 2001-2003 Dodge Dakota V6 3.9L (excluding California Emissions) Downstream O2 Oxygen Sensor Passenger Side
  • 2001-2002 Dodge Dakota L4 2.5L Downstream O2 Oxygen Sensor
  • 2001-2003 Dodge Dakota V8 5.9L (excluding California Emissions) Downstream O2 Oxygen Sensor Passenger Side
  • 2001-2002 Dodge Dakota L4 2.5L Upstream O2 Oxygen Sensor
  • 2002-2003 Dodge Dakota V6 3.9L (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2002-2003 Dodge Dakota V8 5.9L California Emissions Downstream O2 Oxygen Sensor Passenger Side
  • 2002-2003 Dodge Dakota V8 5.9L (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2002-2003 Dodge Dakota V6 3.9L California Emissions Downstream O2 Oxygen Sensor Passenger Side
  • 2004 Dodge Dakota V6 3.7L Downstream O2 Oxygen Sensor Passenger Side
  • 2004-2006 Dodge Dakota V8 4.7L Downstream O2 Oxygen Sensor Passenger Side
  • 2004 Dodge Dakota V8 4.7L Upstream O2 Oxygen Sensor
  • 2005-2006 Dodge Dakota V8 4.7L Upstream O2 Oxygen Sensor
  • 2007 Dodge Dakota V8 4.7L Upstream O2 Oxygen Sensor Driver Side
  • 2001-2003 Dodge Durango V8 5.9L (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2001-2003 Dodge Durango V8 5.9L California Emissions Downstream O2 Oxygen Sensor Passenger Side
  • 2001-2003 Dodge Durango V8 5.9L (excluding California Emissions) Downstream O2 Oxygen Sensor
  • 2002-2007 Dodge Durango V8 4.7L (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2002-2007 Dodge Durango V8 4.7L Downstream O2 Oxygen Sensor Passenger Side
  • 2003-2005 Dodge Neon L4 2.0L Downstream O2 Oxygen Sensor
  • 2004-2005 Dodge Neon SRT-4 L4 2.4L Downstream O2 Oxygen Sensor
  • 2001-2002 Dodge Ram 1500 Truck V8 5.9L (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2001-2002 Dodge Ram 1500 Truck V8 5.9L California Emissions Downstream O2 Oxygen Sensor
  • 2001 Dodge Ram 1500 Truck V8 5.9L California Emissions Downstream O2 Oxygen Sensor
  • 2001-2002 Dodge Ram 1500 Truck V8 5.2L Upstream O2 Oxygen Sensor
  • 2001 Dodge Ram 1500 Truck V6 3.9L Upstream O2 Oxygen Sensor
  • 2002 Dodge Ram 1500 Truck V8 5.9L California Emissions Downstream O2 Oxygen Sensor Passenger Side
  • 2002 Dodge Ram 1500 Truck V8 4.7L California Emissions Downstream O2 Oxygen Sensor Passenger Side
  • 2002-2003 Dodge Ram 1500 Truck V6 3.7L Upstream O2 Oxygen Sensor
  • 2003-2004 Dodge Ram 1500 Truck V6 3.7L Downstream O2 Oxygen Sensor
  • 2003 Dodge Ram 1500 Truck V8 4.7L Automatic Transmission (excluding California Emissions) Upstream O2 Oxygen Sensor
  • 2003 Dodge Ram 1500 Truck V8 4.7L California Emissions Upstream O2 Oxygen Sensor
  • 2003 Dodge Ram 1500 Truck V8 5.9L Upstream O2 Oxygen Sensor
  • 2004-2007 Dodge Ram 1500 Truck V8 4.7L Downstream O2 Oxygen Sensor
  • 2004-2007 Dodge Ram 1500 Truck V8 4.7L Upstream O2 Oxygen Sensor
  • 2004-2006 Dodge Ram 1500 Truck SRT V10 8.3L Downstream O2 Oxygen Sensor Passenger Side
  • 2004 Dodge Ram 1500 Truck V8 5.9L Downstream O2 Oxygen Sensor
  • 2002 Dodge Ram 2500 Truck V8 5.9L California Emissions Downstream O2 Oxygen Sensor
  • 2002 Dodge Ram 2500 Truck V8 5.9L Manual Transmission Upstream O2 Oxygen Sensor
  • 2003 Dodge Ram 2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
  • 2003 Dodge Ram 2500 Truck V10 8.0L Downstream O2 Oxygen Sensor
  • 2003 Dodge Ram 2500 Truck V8 5.9L Upstream O2 Oxygen Sensor
  • 2001-2002 Dodge Ram 3500 Truck Upstream O2 Oxygen Sensor
  • 2002 Dodge Ram 3500 Truck V8 5.9L Manual Transmission Upstream O2 Oxygen Sensor
  • 2002 Dodge Ram 3500 Truck V8 5.9L California Emissions Downstream O2 Oxygen Sensor
  • 2003 Dodge Ram 3500 Truck V10 8.0L Downstream O2 Oxygen Sensor
  • 2003 Dodge Ram 3500 Truck V8 5.7L Downstream O2 Oxygen Sensor
  • 2001-2002 Jeep Grand Cherokee L6 4.0L Rear Bank Upstream O2 Oxygen Sensor
  • 2001-2002 Jeep Grand Cherokee L6 4.0L Rear Bank Downstream O2 Oxygen Sensor
  • 2005-2007 Jeep Grand Cherokee V8 4.7L Downstream O2 Oxygen Sensor
  • 2005-2007 Jeep Grand Cherokee V8 4.7L Upstream O2 Oxygen Sensor
  • 2002-2003 Jeep Liberty V6 3.7L Upstream O2 Oxygen Sensor
  • 2002-2004 Jeep Liberty V6 3.7L Downstream O2 Oxygen Sensor
  • 2002-2003 Jeep Liberty L4 2.4L Downstream O2 Oxygen Sensor
  • 2002-2003 Jeep Liberty L4 2.4L Upstream O2 Oxygen Sensor
  • 2001-2004 Jeep Wrangler L6 4.0L Front Bank Downstream O2 Oxygen Sensor
  • 2001-2003 Jeep Wrangler L6 4.0L Rear Bank Upstream O2 Oxygen Sensor
  • 2001 Jeep Wrangler L4 2.5L Upstream O2 Oxygen Sensor
  • 2001 Jeep Wrangler L4 2.5L Downstream O2 Oxygen Sensor
  • 2003-2004 Jeep Wrangler L4 2.4L Upstream O2 Oxygen Sensor
  • 2003-2004 Jeep Wrangler L4 2.4L Downstream O2 Oxygen Sensor
  • 2004 Jeep Wrangler L6 4.0L Upstream O2 Oxygen Sensor
  • 2006 Mitsubishi Raider V8 4.7L Downstream O2 Oxygen Sensor Passenger Side
  • 2006 Mitsubishi Raider V8 4.7L Upstream O2 Oxygen Sensor Driver Side

This part replaces:

  • OE # 56041953AA
  • Standard Motor Products SG1853
Part #: 1AEOS00040

Ships Same Day for orders placed by 4 P.M. ET

How-to Video:

(03:08 min)