Replaces

O2 Oxygen Sensor

Frequently bought together

Description
Vehicle Fit
Warranty & Shipping
How-To & Tools
Q&A

Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (15.74 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

Note: For clarification purposes:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

Install note:

You may be required to reset the vehicle computer after installation of this part.

Our electrical and electronic parts are subject to strict quality testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  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

Customer Q&A
Ask a question to 1A Auto customers who purchased the product
How do I reset my computer on my car?
Santos H April 12, 2019
Disconnect. The negative battery lead for about. 1 minute that should reset it
Roland S April 12, 2019
I have one of those code readers that i used to clear mine. If you dont have one, try autozone or any parts store that does free code scanning and ask if they would clear it for you.
Michael Y April 12, 2019
Disconnect battery for 10 minutes. Then place negitive terminal back an tighten.
D A April 12, 2019
Disconnect the battery for about an hour.
Andra M April 12, 2019
Will this work for my downstream oxygen sensor? I can’t seem to find that specific one on this website
Keyche T December 8, 2019
Thanks for your inquiry. This part is specific to vehicles with a particular set of options. We will need more information about your vehicle to confirm the fit. The information we will need in order to assist you is your VIN.
Emma F December 8, 2019
Hey Keyche, The correct sensor would be 1AEOS01012. This part is specific for the downstream only. If you have any other questions feel free to contact us at 888-844-3393. Thank you, Corey
Corey M December 9, 2019

Fits the following Makes:

Year Make Model Description
1997-2000Buick Century Buick Century V6 3.1L Upstream O2 Oxygen Sensor
1997-2003Buick LeSabre Buick LeSabre V6 3.8L Upstream O2 Oxygen Sensor
1997-2003Buick Park Avenue Buick Park Avenue V6 3.8L Upstream O2 Oxygen Sensor
1997-2003Buick Regal Buick Regal V6 3.8L Upstream O2 Oxygen Sensor
1997-1999Buick Riviera Buick Riviera V6 3.8L Upstream O2 Oxygen Sensor
1997-1998Buick Skylark Buick Skylark V6 3.1L Upstream O2 Oxygen Sensor
1996-1999Cadillac Deville Cadillac Deville V8 4.6L Upstream O2 Oxygen Sensor
1996-1999Cadillac Eldorado Cadillac Eldorado V8 4.6L Upstream O2 Oxygen Sensor
1999-2000Cadillac Escalade Cadillac Escalade V8 5.7L Downstream O2 Oxygen Sensor
2002Cadillac Escalade Cadillac Escalade V8 5.3L Downstream O2 Oxygen Sensor
2002Cadillac Escalade Cadillac Escalade V8 6.0L Downstream O2 Oxygen Sensor
2002Cadillac Escalade EXT Cadillac Escalade EXT V8 6.0L Downstream O2 Oxygen Sensor
1996-1999Cadillac Seville Cadillac Seville V8 4.6L Upstream O2 Oxygen Sensor
1996-1997Chevrolet Astro Chevrolet Astro V6 4.3L Downstream O2 Oxygen Sensor
2002Chevrolet Avalanche 1500 Chevrolet Avalanche 1500 V8 5.3L Downstream O2 Oxygen Sensor
1996-1999Chevrolet C1500 Truck Chevrolet C1500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet C1500 Truck Chevrolet C1500 Truck V6 4.3L Downstream O2 Oxygen Sensor
1996-1999Chevrolet C1500 Truck Chevrolet C1500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-1998Chevrolet C2500 Truck Chevrolet C2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-2000Chevrolet C2500 Truck Chevrolet C2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-2000Chevrolet C2500 Truck Chevrolet C2500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-2000Chevrolet C3500 Truck Chevrolet C3500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet C3500 Truck Chevrolet C3500 Truck V8 7.4L Downstream O2 Oxygen Sensor
2000Chevrolet C3500 Truck Chevrolet C3500 Truck V8 7.4L (excluding California Emissions) Downstream O2 Oxygen Sensor
1997-2002Chevrolet Camaro Chevrolet Camaro V6 3.8L Upstream O2 Oxygen Sensor
1996-2002Chevrolet Express 1500 Van Chevrolet Express 1500 Van V8 5.0L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 1500 Van Chevrolet Express 1500 Van V6 4.3L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 1500 Van Chevrolet Express 1500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 2500 Van Chevrolet Express 2500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 2500 Van Chevrolet Express 2500 Van V8 5.0L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 2500 Van Chevrolet Express 2500 Van V6 4.3L Downstream O2 Oxygen Sensor
1996-2002Chevrolet Express 3500 Van Chevrolet Express 3500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2000Chevrolet Express 3500 Van Chevrolet Express 3500 Van V8 7.4L Downstream O2 Oxygen Sensor
2000-2003Chevrolet Impala Chevrolet Impala V6 3.8L Upstream O2 Oxygen Sensor
2000Chevrolet Impala Chevrolet Impala V6 3.4L Upstream O2 Oxygen Sensor
1996-1998Chevrolet K1500 Truck Chevrolet K1500 Truck V6 4.3L Downstream O2 Oxygen Sensor
1996-1999Chevrolet K1500 Truck Chevrolet K1500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-1999Chevrolet K1500 Truck Chevrolet K1500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-2000Chevrolet K2500 Truck Chevrolet K2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-2000Chevrolet K2500 Truck Chevrolet K2500 Truck V8 7.4L Downstream O2 Oxygen Sensor
1996-1998Chevrolet K2500 Truck Chevrolet K2500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-1999Chevrolet K3500 Truck Chevrolet K3500 Truck V8 7.4L Downstream O2 Oxygen Sensor
1996-2000Chevrolet K3500 Truck Chevrolet K3500 Truck V8 5.7L Downstream O2 Oxygen Sensor
2000Chevrolet K3500 Truck Chevrolet K3500 Truck V8 7.4L (excluding California Emissions) Downstream O2 Oxygen Sensor
1997-2001Chevrolet Lumina Chevrolet Lumina V6 3.1L Upstream O2 Oxygen Sensor
1997Chevrolet Lumina Chevrolet Lumina V6 3.4L Upstream O2 Oxygen Sensor
1998-1999Chevrolet Lumina Chevrolet Lumina V6 3.8L Upstream O2 Oxygen Sensor
1997-2000Chevrolet Malibu Chevrolet Malibu V6 3.1L Upstream O2 Oxygen Sensor
1997-1999Chevrolet Monte Carlo Chevrolet Monte Carlo V6 3.1L Upstream O2 Oxygen Sensor
1998-2003Chevrolet Monte Carlo Chevrolet Monte Carlo V6 3.8L Upstream O2 Oxygen Sensor
2000Chevrolet Monte Carlo Chevrolet Monte Carlo V6 3.4L Upstream O2 Oxygen Sensor
1996-1999Chevrolet P30 Chevrolet P30 V6 4.3L Downstream O2 Oxygen Sensor
1996-1999Chevrolet P30 Chevrolet P30 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet P30 Chevrolet P30 V8 7.4L Downstream O2 Oxygen Sensor
1999Chevrolet Silverado 1500 Chevrolet Silverado 1500 V8 5.3L Downstream O2 Oxygen Sensor
1999Chevrolet Silverado 1500 Chevrolet Silverado 1500 V8 4.8L Downstream O2 Oxygen Sensor
1999-2001Chevrolet Silverado 1500 Chevrolet Silverado 1500 V6 4.3L Downstream O2 Oxygen Sensor
2000-2002Chevrolet Silverado 1500 Chevrolet Silverado 1500 V8 4.8L (US Built Models) Downstream O2 Oxygen Sensor
2000-2002Chevrolet Silverado 1500 Chevrolet Silverado 1500 V8 5.3L (excluding Canada Built Models) Downstream O2 Oxygen Sensor
2002Chevrolet Silverado 1500 Chevrolet Silverado 1500 V6 4.3L (8th Vin Digit X) Downstream O2 Oxygen Sensor
2001Chevrolet Silverado 1500 HD Chevrolet Silverado 1500 HD V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
1999-2001Chevrolet Silverado 2500 Chevrolet Silverado 2500 V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
1999-2000Chevrolet Silverado 2500 Chevrolet Silverado 2500 V8 5.3L Downstream O2 Oxygen Sensor
2001Chevrolet Silverado 2500 HD Chevrolet Silverado 2500 HD V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
2001Chevrolet Silverado 3500 Chevrolet Silverado 3500 V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
2000-2002Chevrolet Suburban 1500 Chevrolet Suburban 1500 V8 5.3L (excluding Flex Fuel) (US Built Models) Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban C1500 Chevrolet Suburban C1500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban C2500 Chevrolet Suburban C2500 V8 7.4L Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban C2500 Chevrolet Suburban C2500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban K1500 Chevrolet Suburban K1500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban K2500 Chevrolet Suburban K2500 V8 7.4L Downstream O2 Oxygen Sensor
1996-1999Chevrolet Suburban K2500 Chevrolet Suburban K2500 V8 5.7L Downstream O2 Oxygen Sensor
1995-2000Chevrolet Tahoe Chevrolet Tahoe V8 5.7L with 17 Bolt Oil Pan Option Downstream O2 Oxygen Sensor
2000-2002Chevrolet Tahoe Chevrolet Tahoe V8 5.3L (8th Vin Digit Z) (US Built Models) Downstream O2 Oxygen Sensor
2000-2002Chevrolet Tahoe Chevrolet Tahoe V8 4.8L (US Built Models) Downstream O2 Oxygen Sensor
1997-2000Chevrolet Venture Chevrolet Venture V6 3.4L Downstream Upstream O2 Oxygen Sensor
1996-1999GMC C1500 Truck GMC C1500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC C1500 Truck GMC C1500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-1999GMC C1500 Truck GMC C1500 Truck V6 4.3L Downstream O2 Oxygen Sensor
1996-2000GMC C2500 Truck GMC C2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-2000GMC C2500 Truck GMC C2500 Truck V8 7.4L Downstream O2 Oxygen Sensor
1996-1998GMC C2500 Truck GMC C2500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-2000GMC C3500 Truck GMC C3500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC C3500 Truck GMC C3500 Truck V8 7.4L Downstream O2 Oxygen Sensor
2000GMC C3500 Truck GMC C3500 Truck V8 7.4L (excluding California Emissions) Downstream O2 Oxygen Sensor
1996-1998GMC K1500 Truck GMC K1500 Truck V6 4.3L Downstream O2 Oxygen Sensor
1996-1999GMC K1500 Truck GMC K1500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-1999GMC K1500 Truck GMC K1500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1998GMC K2500 Truck GMC K2500 Truck V8 5.0L Downstream O2 Oxygen Sensor
1996-2000GMC K2500 Truck GMC K2500 Truck V8 7.4L Downstream O2 Oxygen Sensor
1996-2000GMC K2500 Truck GMC K2500 Truck V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC K3500 Truck GMC K3500 Truck V8 7.4L Downstream O2 Oxygen Sensor
1996-2000GMC K3500 Truck GMC K3500 Truck V8 5.7L Downstream O2 Oxygen Sensor
2000GMC K3500 Truck GMC K3500 Truck V8 7.4L (excluding California Emissions) Downstream O2 Oxygen Sensor
1996-1999GMC P3500 GMC P3500 V8 7.4L Downstream O2 Oxygen Sensor
1996-1999GMC P3500 GMC P3500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC P3500 GMC P3500 V6 4.3L Downstream O2 Oxygen Sensor
1996-1997GMC Safari GMC Safari V6 4.3L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 1500 Van GMC Savana 1500 Van V8 5.0L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 1500 Van GMC Savana 1500 Van V6 4.3L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 1500 Van GMC Savana 1500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 2500 Van GMC Savana 2500 Van V6 4.3L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 2500 Van GMC Savana 2500 Van V8 5.0L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 2500 Van GMC Savana 2500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2002GMC Savana 3500 Van GMC Savana 3500 Van V8 5.7L Downstream O2 Oxygen Sensor
1996-2000GMC Savana 3500 Van GMC Savana 3500 Van V8 7.4L Downstream O2 Oxygen Sensor
1999GMC Sierra 1500 GMC Sierra 1500 V8 4.8L Downstream O2 Oxygen Sensor
1999-2001GMC Sierra 1500 GMC Sierra 1500 V6 4.3L Downstream O2 Oxygen Sensor
1999GMC Sierra 1500 GMC Sierra 1500 V8 5.3L Downstream O2 Oxygen Sensor
2000-2002GMC Sierra 1500 GMC Sierra 1500 V8 4.8L (US Built Models) Downstream O2 Oxygen Sensor
2000-2002GMC Sierra 1500 GMC Sierra 1500 V8 5.3L (excluding Canada Built Models) Downstream O2 Oxygen Sensor
2001GMC Sierra 1500 HD GMC Sierra 1500 HD V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
1999GMC Sierra 2500 GMC Sierra 2500 V8 5.3L Downstream O2 Oxygen Sensor
2000GMC Sierra 2500 GMC Sierra 2500 V8 5.3L (US Built Models) Downstream O2 Oxygen Sensor
2001GMC Sierra 2500 GMC Sierra 2500 V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
2001GMC Sierra 2500 HD GMC Sierra 2500 HD V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
2001GMC Sierra 3500 GMC Sierra 3500 V8 6.0L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban C1500 GMC Suburban C1500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban C2500 GMC Suburban C2500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban C2500 GMC Suburban C2500 V8 7.4L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban K1500 GMC Suburban K1500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban K2500 GMC Suburban K2500 V8 5.7L Downstream O2 Oxygen Sensor
1996-1999GMC Suburban K2500 GMC Suburban K2500 V8 7.4L Downstream O2 Oxygen Sensor
1996-2000GMC Yukon GMC Yukon V8 5.7L Downstream O2 Oxygen Sensor
2000-2002GMC Yukon GMC Yukon V8 5.3L (US Built Models) Downstream O2 Oxygen Sensor
2000-2002GMC Yukon GMC Yukon V8 4.8L (US Built Models) Downstream O2 Oxygen Sensor
2001GMC Yukon GMC Yukon V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
2002GMC Yukon GMC Yukon V8 6.0L Downstream O2 Oxygen Sensor
2000-2002GMC Yukon XL 1500 GMC Yukon XL 1500 V8 5.3L (US Built Models) Downstream O2 Oxygen Sensor
2000-2001GMC Yukon XL 2500 GMC Yukon XL 2500 V8 6.0L Downstream Passenger Side O2 Oxygen Sensor
1997-1999Oldsmobile 88 Olds 88 V6 3.8L Upstream O2 Oxygen Sensor
1997-1998Oldsmobile Achieva Olds Achieva V6 3.1L Upstream O2 Oxygen Sensor
1999-2000Oldsmobile Alero Olds Alero V6 3.4L Upstream O2 Oxygen Sensor
1996-1999Oldsmobile Aurora Olds Aurora V8 4.0L Upstream O2 Oxygen Sensor
1997-1999Oldsmobile Cutlass Olds Cutlass V6 3.1L Upstream O2 Oxygen Sensor
1997Oldsmobile Cutlass Supreme Olds Cutlass Supreme V6 3.1L Upstream O2 Oxygen Sensor
1998-1999Oldsmobile Intrigue Olds Intrigue V6 3.5L Upstream O2 Oxygen Sensor
1997-1999Oldsmobile LSS Olds LSS V6 3.8L Upstream O2 Oxygen Sensor
1997-1998Oldsmobile Regency Olds Regency V6 3.8L Upstream O2 Oxygen Sensor
1997-2000Oldsmobile Silhouette Olds Silhouette V6 3.4L Upstream O2 Oxygen Sensor
1997-2003Pontiac Bonneville Pontiac Bonneville V6 3.8L Upstream O2 Oxygen Sensor
1997-2002Pontiac Firebird Pontiac Firebird V6 3.8L Upstream O2 Oxygen Sensor
1997-1998Pontiac Grand Am Pontiac Grand Am V6 3.1L Upstream O2 Oxygen Sensor
1999-2000Pontiac Grand Am Pontiac Grand Am V6 3.4L Upstream O2 Oxygen Sensor
1997-2003Pontiac Grand Prix Pontiac Grand Prix V6 3.8L Upstream O2 Oxygen Sensor
1999-2000Pontiac Montana Pontiac Montana V6 3.4L Upstream O2 Oxygen Sensor
1997-1998Pontiac Trans Sport Pontiac Trans Sport V6 3.4L Upstream O2 Oxygen Sensor

Part Interchange

Brand Label Part Number
DIY Solutions EMS00422

This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.

Part 1AEOS01008
In Stock


Orders must be placed by 2pm ET
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Estimated Arrival Cost


Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

DIY Solutions
Brand #: EMS00422