Not quite the same, but looks like an Oxygen sensor. Whatever you do, do not buy aftermarket sensor, everyone on two sites has not been successful with these (Bosch) Use original equipment OE Denso Air/fuel sensor. You will be dollars ahead, and not stuck with a sensor that you cannot return. There were post on this just with a week ago. Here is where that sensor is, it is between the firewall and engine: on the the backside of the engine: