Cummins 4921519 Fuel Pressure Sensor

The Cummins 4921519 Fuel Pressure Sensor is an OEM replacement designed specifically for Cummins ISX15, QSX15, ISB, ISM and other heavy-duty diesel engines. The sensor is mounted on the side of the common rail and monitors fuel pressure in real time, transmitting signals to the engine control module (ECM) to ensure precise fuel injection timing, improve fuel economy, and reduce emissions. Compatible with various cross reference numbers such as 4087993, 4921737, 4929519, it is an ideal choice for heavy trucks, construction machinery, and generator sets. It features a sturdy metal housing and a 3-pin rectangular connector with a size of 2.36 inches, meeting stringent operating conditions.