Retail is $65, im selling it for $40obo....that means make offer! If i like it ill take it..
Standard ford 4-wire Bosch o2 sensor. Its new in the box. Never used, just been sitting in my garage. Will fit '99+ Ford cars..not sure about trucks. This is the upstream sensor(before the cat).

now for pics...
Autozone pic for comparison....

Pics of mine...

Still has the cap on it too...

phone# in my sig...