64MT348M
RPM/TDC Sensor
Mack

Engine speed and top-dead-center position are provided to the engine control unit by this RPM/TDC sensor, a critical input for precise fuel timing and sequencing in Mack powertrains. The sensor is engineered to deliver accurate, repeatable readings across a broad operating range, with a sealed housing that resists moisture and dust intrusion in challenging road and weather conditions. A stable signal helps optimize ignition timing, boost response, and overall efficiency while reducing emissions. Proper installation requires clean mounting surfaces, correct alignment with the target wheel or reluctor, and a secure electrical connection to prevent intermittent data. Routine checks for wiring wear or corrosion at the connector should be part of regular maintenance. Source One Parts Center offers this dependable sensor for dependable engine management in Mack applications.