AM Autoparts
List Price:$52.95
AM Price:$21.99
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Part Number: AM-3929675610

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.


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:

WARNING: Cancer and Reproductive Harm -

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 # 8946506050
  • Walker Products Inc. 250-24220
  • DIY Solutions EMS00645

Vehicle Fit

  • 1990-1994 Lexus LS400 Upstream O2 Oxygen Sensor
  • 1992-1995 Lexus SC400 Upstream Driver Side O2 Oxygen Sensor
  • 1992-1995 Lexus SC400 Upstream Passenger Side O2 Oxygen Sensor

Product Reviews

3.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
Downstream O2 sensor works great
It works, install it about three days ago and so far no issues.
February 10, 2019
over 2 years ago
Rated 1 out of 5
Quick response
I got the wrong part it was the wrong connector and it was to short for vehicle
September 10, 2018
over 3 years ago
Response from AM-Auto Parts
Thank you for the review. We are sorry to hear you are unhappy with your purchase. Our customer service department will be reaching out to you directly in regards to this order. Thank you
September 11, 2018
Christa R