This is a used OEM MAP (Manifold Absolute Pressure) sensor for a 2004-2006 Audi A4 2.0T. It is a bolt-on sensor with four wires and a factory terminal type. The sensor is made of plastic and is a vintage part. It is designed to be placed on the front of the vehicle and has a black connector. The sensor measures pressure and is a direct fit with easy installation. It comes with a 6-month manufacturer warranty and is made in Germany. This is a performance part that has universal fitment.