Is this an upstream or downstream O2 sensor?
1681332
Downstream and it worked great on my 07 Scion tC. I have a obd I scanner and it was reading the voltages right. I was impressed. The walker website has more info too. Hope this helps you.
602060
If this is the part to match the pic, it's the downstream sensor on my '02 Tacoma 2wd SR5
1693937
Hello, Sir;For the UPSTREAM CNG Engine the oxygen sensor part number 13117For the UPSTREAM GAS Engine the oxygen sensor part number 15716For the DOWNSTREAM GAS Engine the oxygen sensor part number 15717 or 15718.Thanks. Hope this information are helpful. Thanks
587121
will not work on any upstream location. haven't found a down stream application that actually works either, Save your money and don't buy universal when it comes to O2 sensors
1446237
Lenny is correct. The upstream and downstream are typically different on GM vehicles (Chevrolet, GMC, Pontiac, Buick, Oldsmobile to name a few). I never have understood why the sensors are different; externally only the electrical connectors are different, but maybe internally there's a difference...I don't know. What I usually do is use another website, typically RockAuto.com, to look up part numbers. The description will tell you UPSTREAM or DOWNSTREAM. Then I bring that part number to Amazon and see who's cheaper. Typically Amazon is since RockAuto charges shipping and sales tax (at least for me anyways; in WI). Lenny, you got lucky! I replaced all my O2 sensors on my K1500 Z71 and I'm still at 16-17mpg tops; hit 20mpg once doing 60mph for a 400mi trip.
1704097
Yes it is, sometimes it's called the oxygen sensor, both are interchangeable names. The code identifies what bank and sensor number needs to be repaired, they upstream sensors, relatively easy to change out with a sensor socket.
640321
There are 2 oxygen sensors total. One before the catalytic converter and one after.
602059
The pictured item (Denso 234-4189) is downstream of the CC. Cable is longer to reach the connector under the passenger seat. I bought and replaced both this one and the upstream sensor (Denso 234-9001 Air Fuel Ratio Sensor) in my 2004 Tacoma.
728913
This Oxygen Sensor is a universal part that can be installed either downstream or upstream. Please be advised that this requires minor modifications.
816060
It was the rear O2 sensor on my 2007 Kia Spectra. Thought it was the front. I replaced it anyway but ended up buying a front sensor later.
2183530
*OE Style Oxygen Sensor; Upstream; Bosch is the OE equivalent supplier; To 02/2003; 2 Req. Hope this helps.
1990572
I am not sure what you mean by down stream. We used the part on a 1997 Toyota 4Runner. It replaced the oxygen sensor on the front side. The removal of the old part and installation of the new part took less than fifteen minutes. The new part works fine and we longer get the check engine code that indicated the original oxygen sensor had failed. We saved $160.00 by purchasing this part from Amazon and installing it ourselves. In fact, my grandson crawled underneath the car and did it for us. As for finding an answer to your question, you might do an Internet search for upstream vs downstream oxygen sensors for your automobile. Autozone or another auto part shop will check the check engine light code for you for free. Toyota wanted $49.00 just to tell us what code had caused the light to come on. My son did a search on the Internet to find the lowest price replacement part. We were delighted with the results. We got the part quickly and it fixed the problem.
2104287
Hello; On my Pontiac grand prix it was located in the side of the exhaust pipe about in the area of where the drivers seat would be located. So I would call it a downstream sensor (for my 1996 Grand Prix that is).
459331
Yes. This is an upstream sensor and fixed that same trouble code on our 2000 Honda Accord
287927
It is upstream. It attaches to the catalytic converter. It works as OEM. Mine is still running great.
2188831
Round plug (The full size picture is wrong, thumbnail image is correct). To be specific, its the upstream sensor (screws into the exhaust header between the engine and the cat).
1073403
AS far as I know it is a downstream sensor and I bought it for my 2004 Buick Century with V6 engine