Lexus LS400 SC400 O2 Oxygen Sensor AM Autoparts AM-3929675610

List Price:$52.95
AM Price:$25.99
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Part Number: AM-3929675610


  • Brand New Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (14.25 Inches)
  • Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 8946506050, 89465 06050, 8946508040, 89465 08040, 8946508090, 89465 08090, 894650E020, 89465 0E020, 894650T020, 89465 0T020, 8946512A00, 89465 12A00, 8946521070, 89465 21070, 8946533220, 89465 33220, 8946548170, 89465 48170, 8946548220, 89465 48220, 8946550230, 89465 50230, 8946568050, 89465 68050
  • 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.


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

Vehicle Fit

  • Lexus LS400 Upstream O2 Oxygen Sensor
  • Lexus SC400 Upstream Driver Side O2 Oxygen Sensor
  • 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
Downstream O2 sensor works great
It works, install it about three days ago and so far no issues.
February 10, 2019
1 year ago
Quick response
I got the wrong part it was the wrong connector and it was to short for vehicle
September 10, 2018
1 year 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