Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (11.8 Inches)
  • Upstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • 4 terminal configuration
  • Replaces dealer part numbers: 25160540, 25312191
  • Built and tested to strict quality control standards
  • Not correct for models with 4L60E transmission (16 bolt pan)
    • will fit both manual & other automatic transmission models

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 : 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

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

Vehicle Fit

  • 1996-1999 Chevy C1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy C1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy C2500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy C2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1998 Chevy C2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy C3500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy C3500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy Express 3500 Van V8 7.4L Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy K1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy K1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy K2500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy K2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1998 Chevy K2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy K3500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy K3500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban C1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban C2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban C2500 V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban K1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban K2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Suburban K2500 V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 Chevy Tahoe V8 5.7L Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Van - P Series Forward Control V8 5.7L Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Van - P Series Forward Control V8 7.4L Upstream O2 Oxygen Sensor
  • 1996-1999 Chevy Van - P Series Forward Control V6 4.3L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC C1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC C1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1998 GMC C2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC C2500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC C2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC C3500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC C3500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC K1500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC K1500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC K2500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC K2500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1998 GMC K2500 Truck V8 5.0L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC K3500 Truck V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC K3500 Truck V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-2000 GMC Savana 3500 Van V8 7.4L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban C1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban C2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban C2500 V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban K1500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban K2500 V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Suburban K2500 V8 7.4L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor
  • 1996 GMC Van 3500 V8 7.4L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Van - P Series Forward Control V8 5.7L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Van - P Series Forward Control V6 4.3L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Van - P Series Forward Control V8 7.4L Upstream O2 Oxygen Sensor
  • 1996-1999 GMC Yukon V8 5.7L (excluding 4L60E 4 Speed Automatic Transmission) Upstream O2 Oxygen Sensor

This part replaces:

  • OE # 25160540
  • OE # 25312191
  • OE # 19178934
  • Standard Motor Products SG280
Only 5 left in stock
Part #: 1AEOS00083

How-to Video:

(03:08 min)