The KBB 7590004 Speed and Position Sensor (Drehzahlsensor) is a premium original equipment manufacturer (OEM) component engineered for the precise rotational speed monitoring of industrial and marine turbochargers. Manufactured in Germany, this rugged sensor is equipped with a heavy-duty metal probe rod and a highly durable braided stainless steel sheathed cable, designed to withstand extreme temperatures, vibrations, and harsh engine environments. As a genuine KBB replacement part that directly crosses over to Wärtsilä part number PAAF196702, it ensures seamless integration, accurate real-time data transmission, and optimal operational performance for compatible engine systems, including the W3L20 series.