Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (18 inches)
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • Replaces dealer part numbers: 4727446AC, 56041699AA, 56029052AA, 56029051AA, 56029050AA, 560029050AA
  • 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 : Removing the Oxygen (O2) Sensor (0:50)
    • Raise and secure the vehicle
    • Disconnect the oxygen sensor wiring harness
    • Remove the O2 sensor with a 22mm wrench
    • Tap the wrench with a hammer if necessary to loosen the sensor
  2. step : Installing the New O2 Sensor (3:14)
    • Take off the shipping cap
    • Twist the new O2 sensor into place
    • Tighten the O2 sensor with a 22mm wrench
    • Connect the O2 sensor wiring harness
    • Lower the vehicle to the ground
    • Disconnect the negative battery cable to clear diagnostic trouble codes
    • Reconnect the negative battery cable

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Hammer
  • Floor Jack

  • Wrenches - Metric

  • 22mm Wrench

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How-to Video:

(04:05 min)

Tools List:

    General Tools

  • Jack Stands
  • Hammer
  • Floor Jack

  • Wrenches - Metric

  • 22mm Wrench



This part replaces:

  • OE # 4727446AC
  • Standard Motor Products SG1850

Vehicle Fit

  • 2005-2010 Chrysler 300 O2 Oxygen Sensor Downstream Passenger Side V8 5.7L
  • 2005-2010 Chrysler 300 O2 Oxygen Sensor Downstream Passenger Side V8 6.1L
  • 2005-2010 Chrysler 300 O2 Oxygen Sensor Downstream Passenger Side V6 3.5L
  • 2008-2009 Chrysler Aspen Downstream O2 Oxygen Sensor V8 4.7L
  • 2004-2010 Chrysler PT Cruiser Upstream O2 Oxygen Sensor L4 2.4L
  • 2004 Chrysler Pacifica Upstream O2 Oxygen Sensor V6 3.5L
  • 2005-2008 Chrysler Pacifica Downstream O2 Oxygen Sensor V6 3.8L
  • 2004 Chrysler Sebring Upstream O2 Oxygen Sensor L4 2.4L (8th Vin Digit J)
  • 2005-2006 Chrysler Sebring Upstream O2 Oxygen Sensor L4 2.4L
  • 2004-2010 Chrysler Town & Country Downstream O2 Oxygen Sensor V6 3.3L
  • 2004-2010 Chrysler Town & Country Downstream O2 Oxygen Sensor V6 3.8L
  • 2004-2007 Dodge Caravan Downstream O2 Oxygen Sensor L4 2.4L
  • 2004-2005 Dodge Caravan Upstream O2 Oxygen Sensor V6 3.3L
  • 2004-2007 Dodge Caravan Downstream O2 Oxygen Sensor V6 3.3L
  • 2006-2010 Dodge Charger O2 Oxygen Sensor Downstream Passenger Side V8 6.1L
  • 2006-2010 Dodge Charger O2 Oxygen Sensor Downstream Passenger Side V8 5.7L
  • 2006-2010 Dodge Charger O2 Oxygen Sensor Downstream Passenger Side V6 3.5L
  • 2001 Dodge Dakota O2 Oxygen Sensor Upstream Driver Side V8 5.9L
  • 2001 Dodge Dakota O2 Oxygen Sensor Upstream Driver Side V6 3.9L
  • 2002-2003 Dodge Dakota O2 Oxygen Sensor Upstream Driver Side V8 5.9L California Emissions
  • 2002 Dodge Dakota O2 Oxygen Sensor Upstream Driver Side V6 3.9L California Emissions
  • 2003 Dodge Dakota O2 Oxygen Sensor Upstream Driver Side V6 3.9L
  • 2005-2010 Dodge Dakota Downstream O2 Oxygen Sensor V6 3.7L
  • 2006-2010 Dodge Dakota O2 Oxygen Sensor Upstream Passenger Side V6 3.7L
  • 2001-2003 Dodge Durango O2 Oxygen Sensor Upstream Driver Side V8 5.9L California Emissions
  • 2005-2009 Dodge Durango Downstream O2 Oxygen Sensor V6 3.7L
  • 2008-2009 Dodge Durango Downstream O2 Oxygen Sensor V8 4.7L
  • 2004-2010 Dodge Grand Caravan Downstream O2 Oxygen Sensor V6 3.3L
  • 2004-2010 Dodge Grand Caravan Downstream O2 Oxygen Sensor V6 3.8L
  • 2004-2005 Dodge Grand Caravan Upstream O2 Oxygen Sensor V6 3.3L
  • 2004-2005 Dodge Grand Caravan Upstream O2 Oxygen Sensor V6 3.8L
  • 2005-2008 Dodge Magnum O2 Oxygen Sensor Downstream Passenger Side V8 6.1L
  • 2005-2008 Dodge Magnum O2 Oxygen Sensor Downstream Passenger Side V8 5.7L
  • 2007-2008 Dodge Magnum O2 Oxygen Sensor Downstream Passenger Side V6 3.5L
  • 2004-2005 Dodge Neon Upstream O2 Oxygen Sensor L4 2.0L
  • 2006 Dodge Ram 1500 Truck O2 Oxygen Sensor Upstream Passenger Side for V10 8.3L
  • 2009-2010 Dodge Ram 1500 Truck Upstream O2 Oxygen Sensor V8 5.7L
  • 2009-2010 Dodge Ram 1500 Truck Downstream O2 Oxygen Sensor V8 5.7L
  • 2003 Dodge Ram 2500 Truck Upstream O2 Oxygen Sensor Driver Side for V10 8.0L
  • 2005-2010 Dodge Ram 2500 Truck Downstream O2 Oxygen Sensor V8 5.7L
  • 2003 Dodge Ram 3500 Truck Upstream O2 Oxygen Sensor Driver Side for V10 8.0L
  • 2005-2010 Dodge Ram 3500 Truck Downstream O2 Oxygen Sensor V8 5.7L
  • 2004 Dodge Stratus Upstream O2 Oxygen Sensor L4 2.4L (8th Vin Digit J)
  • 2005-2006 Dodge Stratus Upstream O2 Oxygen Sensor L4 2.4L
  • 2003-2010 Dodge Viper O2 Oxygen Sensor Upstream for V10 8.3L
  • 2008-2010 Dodge Viper O2 Oxygen Sensor Downstream for V10 8.3L
  • 2004 Jeep Liberty Upstream O2 Oxygen Sensor L4 2.4L
  • 2005-2006 Jeep Wrangler Downstream O2 Oxygen Sensor Rear L6 4.0L
  • 2005-2006 Jeep Wrangler Upstream O2 Oxygen Sensor Front L6 4.0L
  • 2006 Mitsubishi Raider O2 Oxygen Sensor Upstream Passenger Side V6 3.7L
  • 2006 Mitsubishi Raider O2 Oxygen Sensor Downstream Driver Side V6 3.7L
Part #: 1AEOS00056

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

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