This replacement oxygen sensor is just what you need to get your vehicle in good working form again!

Specifications:

  • Brand New Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (16.86 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 12558850, 12559850, 12561776, 12562943, 12567127, 12567254, 12590789, 8125671270, 81256 71270, 8972873520, 89728 73520, 97287352, 972873520
  • 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.

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 : 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

4.0 / 5.0
4 Reviews
5 Stars
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Best price fast and great service
I have ordered Pat's for my vehicles twice now and both times I received quality parts Wich worked perfect . The staff was great in making sure I got the right parts the first time .they were pleasant to deal with . The shipping was fast I got the parts faster than they said I would . I will be using them from now on whenever I need parts their prices are better than anyone else local. Would definatley recommend to anyone. if you need parts call these guys first
July 24, 2017
Purchased
7 months ago
Great service and product
Fast delivery and a perfect fit for my S-10 pickup. Saved me a lot of money and time.

Thanks!!
November 26, 2017
Purchased
3 months ago
O2 sensor
I would highly recommend this product.
It was a perfect fit. Application was a breeze, with I'm minutes the old was out and new one installed. Check engine light gone. Thank you. And delivery was very quick thanks again.
September 27, 2017
Purchased
5 months ago
Junk
After installation my check engine light came back on 3 days letter for the same issue
February 14, 2017
Purchased
1 year ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Will this o2 sensor fit a 2000 Chevy Silverado extended 3 door cab us built with 5.3 v 8 motor down stream pass. Side ?
Steve V on Oct 7, 2017
BEST ANSWER: In order to better assist you, we would need to know whether your vehicle is Canada Built, or a separate location built. Could you provide us the vehicle VIN number?

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



This part replaces:

  • Standard Motor Products SG1856

Vehicle Fit

  • 2001-2005 Buick Century Upstream O2 Oxygen Sensor V6 3.1L
  • 2004 Buick Rainier Upstream O2 Oxygen Sensor V8 5.3L
  • 2002-2005 Buick Rendezvous Upstream O2 Oxygen Sensor V6 3.4L
  • 2000-2004 Cadillac Deville Upstream O2 Oxygen Sensor V8 4.6L
  • 2000-2002 Cadillac Eldorado Upstream O2 Oxygen Sensor V8 4.6L
  • 2000-2003 Cadillac Seville Upstream O2 Oxygen Sensor V8 4.6L
  • 2000-2002 Chevy Astro Upstream O2 Oxygen Sensor V6 4.3L Passenger Side
  • 2000-2002 Chevy Astro Downstream O2 Oxygen Sensor V6 4.3L
  • 2002 Chevy Avalanche 1500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2002-2005 Chevy Blazer S10 Upstream or Downstream O2 Oxygen Sensor V6 4.3L
  • 2001-2005 Chevy Impala Upstream O2 Oxygen Sensor V6 3.4L
  • 2001-2003 Chevy Malibu Upstream O2 Oxygen Sensor V6 3.1L
  • 2001-2004 Chevy Monte Carlo LS V6 3.4L Upstream O2 Oxygen Sensor
  • 2002-2004 Chevy S10 Pickup Upstream or Downstream O2 Oxygen Sensor V6 4.3L
  • 2003-2004 Chevy SSR Upstream O2 Oxygen Sensor V8 5.3L
  • 2000-2002 Chevy Silverado 1500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 Chevy Silverado 1500 Upstream or Downstream O2 Oxygen Sensor V8 4.8L (Canada Built Models (1st VIN Digit 2))
  • 2002 Chevy Silverado 1500 Upstream or Downstream O2 Oxygen Sensor V6 4.3L
  • 2000 Chevy Silverado 2500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 Chevy Suburban 1500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 Chevy Tahoe Upstream or Downstream O2 Oxygen Sensor V8 4.8L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 Chevy Tahoe Upstream or Downstream O2 Oxygen Sensor V8 5.3L (8th Vin Digit T) (Canada Built Models (1st VIN Digit 2))
  • 2002 Chevy Tahoe Upstream or Downstream O2 Oxygen Sensor V8 5.3L (8th Vin Digit Z)
  • 2003-2004 Chevy Trailblazer EXT Upstream O2 Oxygen Sensor V8 5.3L
  • 2002-2005 Chevy Venture Upstream O2 Oxygen Sensor V6 3.4L
  • 2003-2004 GMC Envoy XL Upstream O2 Oxygen Sensor V8 5.3L
  • 2002-2004 GMC S-15 Sonoma Upstream or Downstream O2 Oxygen Sensor V6 4.3L
  • 2000-2002 GMC Safari Upstream O2 Oxygen Sensor V6 4.3L Passenger Side
  • 2000-2002 GMC Safari Downstream O2 Oxygen Sensor V6 4.3L
  • 2000-2002 GMC Sierra 1500 Upstream or Downstream O2 Oxygen Sensor V8 4.8L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 GMC Sierra 1500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2002 GMC Sierra 1500 Upstream or Downstream O2 Oxygen Sensor V6 4.3L
  • 2000 GMC Sierra 2500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 GMC Yukon Upstream or Downstream O2 Oxygen Sensor V8 4.8L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 GMC Yukon Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2000-2002 GMC Yukon XL 1500 Upstream or Downstream O2 Oxygen Sensor V8 5.3L (Canada Built Models (1st VIN Digit 2))
  • 2002 Honda Passport Upstream or Downstream O2 Oxygen Sensor V6 3.2L
  • 2003-2004 Isuzu Ascender Upstream O2 Oxygen Sensor V8 5.3L
  • 2004 Isuzu Axiom Upstream or Downstream O2 Oxygen Sensor V6 3.5L
  • 2002-2004 Isuzu Rodeo Upstream or Downstream O2 Oxygen Sensor V6 3.2L
  • 2004 Isuzu Rodeo Upstream or Downstream O2 Oxygen Sensor V6 3.5L
  • 2002-2003 Isuzu Rodeo Sport Upstream or Downstream O2 Oxygen Sensor V6 3.2L
  • 2001-2004 Olds Alero Upstream O2 Oxygen Sensor V6 3.4L
  • 2001-2003 Olds Aurora Upstream O2 Oxygen Sensor V8 4.0L
  • 2001-2002 Olds Aurora Upstream O2 Oxygen Sensor V6 3.5L
  • 2000-2002 Olds Intrigue Upstream O2 Oxygen Sensor V6 3.5L
  • 2001-2004 Olds Silhouette Upstream O2 Oxygen Sensor V6 3.4L
  • 2001-2005 Pontiac Aztek Upstream O2 Oxygen Sensor V6 3.4L
  • 2001-2005 Pontiac Grand Am Upstream O2 Oxygen Sensor V6 3.4L
  • 2001-2003 Pontiac Grand Prix Upstream O2 Oxygen Sensor V6 3.1L
  • 2001-2005 Pontiac Montana Upstream O2 Oxygen Sensor V6 3.4L
Part #: 1AEOS01028

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