U.S. Toll-Free Call Center   Hours
Espanol: 866-401-3393

Highest Ratings

Quality: We've got the awards to prove it!

We've won the Bizrate Circle of Excellence award,
7 years in a row. Rated outstanding for quality, satisfaction, service, and on time delivery. 1A Auto selects the highest quality parts from the best manufacturers. Check our excellent ratings.
Fastest Shipping
No-Hassle Returns
USA Support Techs
Best Value
Our Guarantee

Customer Feedback

Here's me and "the wife," as I...
Chevrolet Camaro Z28
Gene, Memphis, TN

Click here to try out our new site!
Home > Chevy > Silverado 1500 > Oxygen Sensors > 1999-2002 Chevy Silverado 1500 Upstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W)

  Send to a friend    
  Product views

1999 - 2002 Chevy Silverado 1500 Upstream O2 Oxygen Sensor for V6 4.3L (8th Vin Digit W)


In Stock (Ships same day for orders placed by 3 PM ET)

List Price:$122.10
Our Price: $38.45
 (You Save $83.65)

Free Ground Shipping
Part Number: 1AEOS01019

1AEOS01019 Chevy GMC Oldsmobile Pontiac Honda Acura 4-Wire Oxygen Sensor

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


  • Brand New Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (15 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
    • used on some applications that do not use a downstream sensor
  • 4 wire configuration
  • Replaces dealer part numbers: 96335927, 19178117, 19178918, 19178937, 25132819, 25133504, 25133791, 25161151, 25163079, 25165313, 25171579, 25312184, 25312188, 25312200, 25315809, 96453246, 8251630790, 82516 30790, 8251653130, 82516 53130, 8253121840, 82531 21840, 8251337910, 82513 37910, 8253121880, 82531 21880, 8253122000, 82531 22000, 8253252660, 82532 52660
  • 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 run poorly or fail an emission test then this is the part for you.

Note:  You may be required to reset the vehicle’s computer after installation of this part.

1 Year Warranty

This item is backed by a 1 Year Manufacturers Warranty. In the event this item should fail 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.

This part replaces:

See 1A Auto on Facebook Watch our auto parts installation videos on Youtube Nutts and Bolts Blog Google Plus
Free Shipping