This rear or downstream Oxygen O2 Sensor is a new, aftermarket replacement part that has the following specifications:

  • Is the rear or downstream O2 sensor
  • Correct wire length (22 Inches)
  • Direct Fit
  • Correct Connector No cutting or splicing
  • Replaces OE part numbers: 36531-PLR-A01, 36532-PRB-A01, 36531PLRA01, 36532PRBA01
  • Built and tested to strict quality control standards

A direct replacement. If you have a bad O2 sensor causing your Acura RSX or Honda Civic to idle 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

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How-to Video:

(03:08 min)

Tools List:

    1A - No Tools Needed

  • No Tools Needed

This part replaces:

  • OE # 36532PRBA01
  • OE # 36531PLRA01
  • Standard Motor Products SG579

Vehicle Fit

  • 2002-2004 Acura RSX Downstream O2 Oxygen Sensor
  • 2002-2004 Acura RSX Type S Downstream O2 Oxygen Sensor
  • 2001-2002 Honda Accord Downstream O2 Oxygen Sensor L4 2.3L Ultra Low Emissions Vehicle (ULEV)
  • 2002-2005 Honda Civic SI Downstream O2 Oxygen Sensor L4 2.0L
Part #: 1AEOS01505

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