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An O2 sensor is an O2 sensor is an O2 sensor...
Yes, they are all basically (i.e. functionally) the same.
Some like to argue that certain brands react faster...but does this really affect performance (i.e. gas mileage in closed-loop mode)?
Yes, you are paying for the end plug.
Luckily, the stock plug uses just a 0.250" spade connector for our cars.
-Ted
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