GooDeal Exhaust Gas Pressure Sensor EGR 4928594 4921497 for Cummins ISX ISM ISC ISB Replacing OE#: 4921497, 4087989NX, 4087989, 4903479, 4921746, 4928594 Please make sure your original part number matches one of the numbers listed here and compare with pictures provided here before purchasing to ensure fitment. Package Include: 1 x Exhaust Gas Pressure Sensor as pictured