Febi Engine Management RPM Speed Sensor Genuine OE Quality Replacement. The Engine Management RPM Sensor is a device that monitors how many Revs the car is doing per minute. It then relays the information to the ECU to indicate when the car needs to automatically change gear. A faulty Sensor could mean that the car changes gear too soon, or too late. Febi Bilstein’s range includes the Camshaft Sensor, which fits Chrysler 300C, Jeep Commander and Grand Cherokee III, and Mercedes A, B, C, E, G, M, R, S, V Class, CLS, GLK, Sprinter, Vaneo, Viano, and Vito CDi. This sensor replaces OE part numbers: 05080346AA, 05175762AA, 5080346AA, 5175762AA, 68407876AA, A0031539728, A0051531328, 0031539728, 0051531328. febi exclusively offers its customers replacement parts in OE matching quality. As a specialist with manufacturing competence, we only offer products with a high degree of installation safety and durability. We rely on more than 175 years of experience in manufacturing.