AM Autoparts
List Price:$40.95
AM Price:$19.99
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Part Number: AM-4139539019

FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories.
Shipping is not available to Canada for this item.

Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses.   

Install Note:

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

Note:

Electrical and electronic parts are not eligible for a refund once installed or plugged in. In the event a manufacturing defect is found, the item may be eligible for an exchange.

Attention California Customers:

proposition 65 iconWARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

10 Year Warranty

This item is backed by our 10-year warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

Please note: Any modifications to an item of any kind before contacting us will void any and all warranty coverage for this item. Please contact us before modifying the part so that we have the opportunity to correct the situation.

This part replaces:

  • OE # 12563312
  • Walker Products Inc. 250-21028

Vehicle Fit

  • 1999 Chevrolet Cavalier L4 2.4L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Chevrolet Cavalier L4 2.2L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Chevrolet Malibu L4 2.4L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Chevrolet S10 Pickup L4 2.2L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 2000 Chevrolet S10 Pickup L4 2.2L Gas Engine Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 GMC S-15 Sonoma L4 2.2L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 2000 GMC S-15 Sonoma L4 2.2L Gas Engine Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999-2000 Isuzu Hombre L4 2.2L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Olds Alero L4 2.4L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Pontiac Grand Am L4 2.4L with EGR Valve Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Pontiac Sunfire L4 2.2L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1999 Pontiac Sunfire L4 2.4L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2002 Saturn SC1 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2002 Saturn SC2 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2002 Saturn SL L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2002 Saturn SL1 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2002 Saturn SL2 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-1999 Saturn SW1 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019
  • 1995-2001 Saturn SW2 L4 1.9L Upstream Bank 1 Sensor 1 O2 Oxygen Sensor AM Autoparts AM-4139539019

Product Reviews

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5.0 / 5.0
2 Reviews
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Rated 5 out of 5
Replaced O2 sensor
O2 sensor works find! My rating is a five. Other people have asked me how I heard of your business, I tell them I heard thru car shows!
March 18, 2019
Purchased
 over 5 years ago
Rated 5 out of 5
Works well!! Quality part and shipping was exact. I took out my old battered sensor and easily installed my replacement part where my car significantly improved right away.
September 14, 2018
Purchased
 over 6 years ago