Replaces

2000-2005 Acura NSX Downstream O2 Oxygen Sensor Rear

This part replaces:

  • OE # 36542PR7A51
  • Standard Motor Products SG1861

  • New

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (18.7")
  • Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • Replaces dealer part numbers: 36542PR7A51, 36542 PR7 A51
  • 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 then this is the part for you.

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. Removing the Oxygen (O2) Sensor (0:35)
    • Raise and secure the vehicle on jack and jack stands
    • Disconnect the oxygen sensor wiring harness
    • Remove the O2 sensor with an O2 sensor socket and a ratchet
  2. Installing the New O2 Sensor (2:07)
    • Twist the new O2 sensor into place
    • Tighten the O2 sensor with an O2 sensor socket and a ratchet
    • Connect the O2 sensor wiring harness
    • Lower the vehicle to the ground

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Specialty Tools

  • O2 Sensor Socket

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How-to Video:

(03:12 min)

Tools List:

    Ratchets & Related

  • Ratchet

  • Specialty Tools

  • O2 Sensor Socket



This part replaces:

  • OE # 36542PR7A51
  • Standard Motor Products SG1861

Vehicle Fit

  • 2000-2005 Acura NSX Downstream O2 Oxygen Sensor Rear
  • 1998-2002 Honda Accord Downstream O2 Oxygen Sensor for L4 2.3L (excluding EX Models)
  • 2001-2005 Honda Civic Downstream EX O2 Oxygen Sensor for L4 1.7L
$31.95
Save 63%
List: $87.14 Save: $55.19
Part #: 1AEOS00048

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