Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (14.7 Inches)
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • 4 terminal configuration
  • Replaces dealer part numbers: 19178116, 19178945, 19178958, 251313961, 25161128, 25163080, 25164488, 25312194, 25312201, 25312203, 25312211, 25315373
  • Built and tested to strict quality control standards
  • Includes removal and installation tool

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

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 O2 Sensor (0:37)
    • Pry out the clip and pin from the sensor
    • Disconnect the O2 sensor harness
    • Cut off the harness connector and sensor with wire cutters
    • Remove the O2 sensor wire with a 7/8 wrench
  2. step : Installing the New O2 Sensor (2:20)
    • Twist on the O2 sensor to the exhaust pipe
    • Tighten the O2 sensor with a 7/8 wrench
    • Reconnect the O2 sensor harness
    • Replace the pin and re-clip the harness to the vehicle

Tools needed for replacement:

    Pliers, Cutters & misc Wrenches

  • Wire Cutters

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Wrenches - SAE

  • 7/8 Inch Wrench

3.7 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
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1 Stars
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Outstanding Product. Highly Recommend*********************
Thank You for the parts i order. Received them and installed them the next day. fit like a glove. just what i needed.
February 13, 2017
Purchased
1 year ago
o2 sensor with tool!
GReat product tool worked very well. No problems since thanks again to 1a auto !! Always arrives early
May 25, 2017
Purchased
10 months ago
Upstream O2-sensor?
These did not fit my 2001, GMC Sierra 1500 with the 5.3L. I ordered upper and lower's. And only the lower stream O2 sensors worked.. The upstream ones connection was not the same for my truck. Come to find out my truck uses the same connection for upper and lower 02 sensors.
August 15, 2017
Purchased
6 months ago
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How-to Video:

(03:02 min)

Tools List:

    Pliers, Cutters & misc Wrenches

  • Wire Cutters

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Wrenches - SAE

  • 7/8 Inch Wrench




Vehicle Fit

  • 1997-2000 Buick Century Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1997-2005 Buick LeSabre Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-2003 Buick Park Avenue Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-2003 Buick Regal Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-1999 Buick Riviera Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997 Buick Skylark Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1996-1999 Cadillac Deville Upstream O2 Oxygen Sensor with Install Tool V8 4.6L
  • 1996-1999 Cadillac Eldorado Upstream O2 Oxygen Sensor with Install Tool V8 4.6L
  • 1999-2000 Cadillac Escalade Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2002 Cadillac Escalade Downstream O2 Oxygen Sensor with Install Tool V8 6.0L
  • 2002 Cadillac Escalade Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 2002 Cadillac Escalade EXT Downstream O2 Oxygen Sensor with Install Tool V8 6.0L
  • 1996-1999 Cadillac Seville Upstream O2 Oxygen Sensor with Install Tool V8 4.6L
  • 1996-1997 Chevy Astro Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 2002 Chevy Avalanche 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 1996-1999 Chevy C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-1999 Chevy C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1998 Chevy C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2000 Chevy C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2000 Chevy C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2000 Chevy C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 2000 Chevy C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L excluding California Emissions
  • 1997-2002 Chevy Camaro Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2002 Chevy Express 1500 Van Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-2002 Chevy Express 2500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2002 Chevy Express 3500 Van Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2002 Chevy Express 3500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2000-2003 Chevy Impala Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 2000 Chevy Impala Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1996-1998 Chevy K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1999 Chevy K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-1999 Chevy K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1998 Chevy K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2000 Chevy K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2000 Chevy K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2000 Chevy K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 2000 Chevy K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L excluding California Emissions
  • 1997 Chevy Lumina Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1997-2001 Chevy Lumina Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1998-1999 Chevy Lumina Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-2000 Chevy Malibu Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1997-1999 Chevy Monte Carlo Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1998-2003 Chevy Monte Carlo Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 2000 Chevy Monte Carlo Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1999 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 1999 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V8 4.8L
  • 1999-2001 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 2000-2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L excluding Canada Built Models
  • 2000-2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V8 4.8L
  • 2002 Chevy Silverado 1500 Downstream O2 Oxygen Sensor with Install Tool V6 4.3L (8th Vin Digit X)
  • 2001 Chevy Silverado 1500 HD Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 1999 Chevy Silverado 2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 1999-2001 Chevy Silverado 2500 Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 2000 Chevy Silverado 2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 2001 Chevy Silverado 2500 HD Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 2001 Chevy Silverado 3500 Downstream O2 Oxygen Sensor with Install Tool Passenger Side V8 6.0L
  • 2000-2002 Chevy Suburban 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L (US Built Models) excluding Flex Fuel
  • 1996-1999 Chevy Suburban C1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy Suburban C2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy Suburban C2500 Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1999 Chevy Suburban K1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy Suburban K2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy Suburban K2500 Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1995-2000 Chevy Tahoe Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2000-2002 Chevy Tahoe Downstream O2 Oxygen Sensor with Install Tool V8 5.3L (US Built Models)
  • 2000-2002 Chevy Tahoe Downstream O2 Oxygen Sensor with Install Tool V8 4.8L (US Built Models)
  • 1996-1999 Chevy Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1999 Chevy Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 Chevy Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1999 GMC C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1999 GMC C1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2000 GMC C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2000 GMC C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1998 GMC C2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-1999 GMC C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2000 GMC C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2000 GMC C3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L excluding California Emissions
  • 1996-1998 GMC K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1999 GMC K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC K1500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-1998 GMC K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2000 GMC K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2000 GMC K2500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1999 GMC K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2000 GMC K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2000 GMC K3500 Truck Downstream O2 Oxygen Sensor with Install Tool V8 7.4L excluding California Emissions
  • 1996-1997 GMC Safari Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-2002 GMC Savana 1500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor with Install Tool V8 5.0L
  • 1996-2002 GMC Savana 2500 Van Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-2002 GMC Savana 3500 Van Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2002 GMC Savana 3500 Van Downstream O2 Oxygen Sensor with Install Tool
  • 1999 GMC Sierra 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 1999-2001 GMC Sierra 1500 Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1999 GMC Sierra 1500 Downstream O2 Oxygen Sensor with Install Tool V8 4.8L
  • 2000-2002 GMC Sierra 1500 Downstream O2 Oxygen Sensor with Install Tool V8 4.8L (US Built Models)
  • 2000-2002 GMC Sierra 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L excluding Canada Built Models
  • 2001 GMC Sierra 1500 HD Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 1999 GMC Sierra 2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L
  • 2000 GMC Sierra 2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L (US Built Models)
  • 2001 GMC Sierra 2500 Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 2001 GMC Sierra 2500 HD Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 2001 GMC Sierra 3500 Downstream O2 Oxygen Sensor with Install Tool V8 6.0L
  • 1996-1999 GMC Suburban C1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC Suburban C2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC Suburban C2500 Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1999 GMC Suburban K1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC Suburban K2500 Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC Suburban K2500 Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-1999 GMC Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 1996-1999 GMC Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V6 4.3L
  • 1996-1999 GMC Van - P Series Forward Control Downstream O2 Oxygen Sensor with Install Tool V8 7.4L
  • 1996-2000 GMC Yukon Downstream O2 Oxygen Sensor with Install Tool V8 5.7L
  • 2000-2002 GMC Yukon Downstream O2 Oxygen Sensor with Install Tool V8 4.8L (US Built Models)
  • 2000-2002 GMC Yukon Downstream O2 Oxygen Sensor with Install Tool V8 5.3L (US Built Models)
  • 2001 GMC Yukon Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 2002 GMC Yukon Downstream O2 Oxygen Sensor with Install Tool V8 6.0L
  • 2000-2002 GMC Yukon XL 1500 Downstream O2 Oxygen Sensor with Install Tool V8 5.3L (US Built Models)
  • 2000-2001 GMC Yukon XL 2500 Downstream O2 Oxygen Sensor with Install Tool V8 6.0L Passenger Side
  • 1996-1999 Olds 88 Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-1998 Olds Achieva Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1999-2000 Olds Alero Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1996-1999 Olds Aurora Upstream O2 Oxygen Sensor with Install Tool V8 4.0L
  • 1997-1999 Olds Cutlass Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1996-1997 Olds Cutlass Supreme Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1998-1999 Olds Intrigue Upstream O2 Oxygen Sensor with Install Tool V6 3.5L
  • 1997-1999 Olds LSS Upstream O2 Oxygen Sensor with Install Tool V6 3.8L V8 4.6L V8 5.7L
  • 1997-1998 Olds Regency Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-2000 Olds Silhouette Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1996-2003 Pontiac Bonneville Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1997-2002 Pontiac Firebird Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1996-1998 Pontiac Grand Am Upstream O2 Oxygen Sensor with Install Tool V6 3.1L
  • 1999-2000 Pontiac Grand Am Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1997-2003 Pontiac Grand Prix Upstream O2 Oxygen Sensor with Install Tool V6 3.8L
  • 1999-2000 Pontiac Montana Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
  • 1997-1998 Pontiac Trans Sport Upstream O2 Oxygen Sensor with Install Tool V6 3.4L
Part #: 1AEEK00513

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