Cummins 6L8.9/ISLe Oil Pressure Sensor 4921517 Parts Catalogue Ref No. Part Name Part No. Required 1 Oil Pressure Sensor 4921517 1 Above is the introduction of the Cummins 4921517 Oil Pressure Sensor, while if you need any other Cummins spare parts or complete Cummins engine, Please further consult our sales.