Good morning,

I'm completely replacing my current exhaust system, and since the car has 103,000 miles on it, i'm replacing all 4 oxygen sensors as well. I was sold two upstream sensors that were exactly the same, but the downstream sensors are two different styles. I have included a picture of the head styles I was sold. They carry the same part number and same type of connector, however the wires are different lengths and have different style covering. These are both Bosch brand sensors.

Which is correct?

I have included a link to my photo below.

Clicky me

Thank you,
Tim

 

Most people have the best results using the AC Delco O2 sensors. I would advise you return the Bosch sensors.

 

I agree. Go AC Delco....and if thats what it is, that would be the one on the left in the pic.

 

I also agree, dump the bosch and go AC Delco. I had nothing but problems when i had bosch in my car..

As for your pic, the one on the right looks like a universal on they sell. It has a really long wires on it.

 

While your input is appreciated, the question at hand is what sensor style that i currently have is correct.

Actually, the one on the left has the longer wire, by about 2 inches...

 

The AC Delco's look like the one on the left. So I guess that would be the correct "style".

 

Sorry for misinterperting your question.
Yes the AC's look like the one on the left..

 

Thank you. I will be returning the cheese grater lookin' like one today