• Brand New Oxygen Sensors
  • Comes as a Pair
  • Fits Downstream
  • Direct replacements
  • Built to strict quality control standards


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


Part Details

  • Quantity: Pair

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.

  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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Vehicle Fit

  • 1996-2002 Chevy Camaro V8 5.7L Downstream O2 Oxygen Sensor Pair
  • 1998-1999 Olds Aurora V8 4.0L Downstream O2 Oxygen Sensor Pair
  • 1994-1997 Pontiac Firebird V8 5.7L Downstream O2 Oxygen Sensor Pair

This part replaces:

  • Standard Motor Products SG277
Part #: 1AEEK00777

How-to Video:

(03:08 min)