577.90501, Oil Pressure Sensor, Alternative to (4087991, 4921517, 4921744)

The 577.90501 Oil Pressure Sensor is a high-precision electronic component designed to monitor engine oil pressure and ensure proper lubrication in heavy-duty diesel engines. This sensor provides real-time pressure data to the ECM, helping protect critical engine components and maintain optimal performance.

Built to meet or exceed OEM specifications, the 577.90501 offers reliable readings, fast response time, and long service life, making it ideal for both maintenance and repair applications.