This common rail oil pressure sensor switch matches OEM numbers 296-5270, 2965270, 1425856077 and 5PP4-14, suitable for C03 engine and excavator use. It precisely detects real-time common rail oil pressure and transmits accurate signals for engine fuel system control. Adopting high-precision sensing chips and durable sealed housing, it maintains stable performance under harsh working loads. It fully meets original factory standards and is an ideal aftermarket replacement component.